> FETCHING JOB RECORD
skill:oracle-assess
Answer this question about chain 1 over blocks 26057538 to 26057836 (closing hash 0x60aa93d763dea61e7d1a51f24b6524bdcadddfcaee2a0e7150c22cb63c38b490), exactly…
VERDICT: paths and tree verified; no suite was run for this kind of work
I wrote `artifacts/answer.json` with the answer 88, and `check-answer.mjs` prints `ok` for it. The source is the Wikipedia Piano article, which I fetched and read. It says most modern pianos have 52 white keys and 36 black keys, 88 in total. I tried Britannica first, but the fetch returned no matching line, so Wikipedia is the only source I read. The recipe is kind `panel` and names that article. The first version of the file failed the checker because the `window` keys were in a different order from `oracle.json`. I reordered them and it passed. The file is untracked and not committed.
Wrote [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with **88**, based on Yamaha Corporation’s [Musical Instrument Guide](https://www.yamaha.com/en/musical_instrument_guide/piano/trivia/trivia007.html). The required checker prints `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai America’s FAQ. The checker printed `ok`.
Wrote [artifacts/answer.json](/home/seat19/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha Corporation’s piano guide. The checker printed `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, citing the *Piano* article. The required checker printed `ok`.
Answered **88**, citing Kawai America Corporation’s FAQ. The checker prints `ok` for [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json).
Created [artifacts/answer.json](/home/identitymd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, citing the Britannica piano entry as reproduced by the Timbre and Orchestration Resource. The required checker prints `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, sourced from Yamaha’s Musical Instrument Guide. The checker prints `ok`.
Created [artifacts/answer.json](/home/seat13/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, sourced from Yamaha’s piano guide. The requested checker prints `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, citing Yamaha’s public source. The supplied checker passes: `ok`.
The answer is **88** keys, based on Kawai America’s FAQ. I recorded the scope in the definitions and used the required panel recipe in [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json). The checker printed `ok`.
Answered **88** based on Yamaha Corporation’s [Musical Instrument Guide](https://www.yamaha.com/en/musical_instrument_guide/piano/mechanism/mechanism004.html). The request defines the pinned block window as a timestamp for this off-chain fact. The answer is in [artifacts/answer.json](/home/worker/.identitymd-2/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json). The checker prints `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `"88"` and Yamaha’s official source. Validation passed: `check-answer.mjs` printed `ok`.
Checker prints `ok`. Answer: 88 keys (source: Encyclopaedia Britannica), written to artifacts/answer.json with panel recipe.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai America’s piano key FAQ. The required checker printed `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, sourced to Yamaha’s Musical Instrument Guide. Validation passed: `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Britannica’s piano entry. The checker prints `ok`.
Created [artifacts/answer.json](/home/seat20/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer `88`, citing Yamaha’s official Musical Instrument Guide. The checker printed `ok`.
Answered **88** keys, based on Yamaha’s piano guide. The required checker prints `ok`. [artifacts/answer.json](/root/nft2/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json)
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88** and Yamaha’s source. The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, based on Yamaha Corporation of America’s article. The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, sourced from Yamaha’s official Musical Instrument Guide. The checker printed `ok`.
Wrote [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha Corporation’s Musical Instrument Guide. The checker printed `ok`.
Wrote [artifacts/answer.json](/home/identitymd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, based on [Yamaha’s official piano guide](https://uk.yamaha.com/en/musical-instruments/pianos/explore/musical-instrument-guide/piano/trivia/trivia007.html). The required checker printed `ok`.
Wrote [artifacts/answer.json](/home/imd1/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai’s official FAQ. The checker prints `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha’s article. The required checker passed: `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer `88`, citing Yamaha Corporation’s piano guide. The required checker printed `ok`.
The standard modern piano has **88 keys**. Kawai and Yamaha both support that count. I wrote [artifacts/answer.json](/home/ubuntu/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) and the checker returned `ok`. [Kawai FAQ](https://kawaius.com/faq/how-many-keys-are-on-a-piano) · [Yamaha article](https://hub.yamaha.com/pianos/p-acoustic/why-arent-there-more-than-88-keys-on-a-piano/)
Created [artifacts/answer.json](/home/seat12/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, sourced to Britannica’s “Piano” entry. The required checker returned `ok`.
The answer is **88**. Kawai America’s FAQ states that 88 keys is the modern piano standard ([source](https://kawaius.com/faq/how-many-keys-are-on-a-piano)). [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) is written, and the required checker prints `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, citing Kawai’s FAQ. Validation passed: `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer `88` and Yamaha’s source. The checker prints `ok`.
Created [artifacts/answer.json](/home/levi/imd/p8/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai and Yamaha. The required checker printed `ok`.
Wrote [artifacts/answer.json](/home/identitymd3/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha’s official piano guide. The required checker printed `ok`.
Created [artifacts/answer.json](artifacts/answer.json) with answer **88**, citing [Yamaha’s Musical Instrument Guide](https://www.yamaha.com/en/musical_instrument_guide/piano/trivia/trivia007.html). The checker printed `ok`.
Wrote [artifacts/answer.json](/home/imdworker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the sourced answer **88**. The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing the Britannica piano entry excerpt reproduced by the Timbre and Orchestration Resource. The required checker printed `ok`.
The answer is **88**. I cited Yamaha Corporation of America’s article, which says the modern piano keyboard became established with 88 keys and notes special-order exceptions. [artifacts/answer.json](/home/seat11/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) passes the checker (`ok`).
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai America’s FAQ. The checker prints `ok`.
Answered **88** keys, based on Yamaha Corporation’s [Musical Instrument Guide](https://www.yamaha.com/en/musical_instrument_guide/piano/trivia/trivia007.html). [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) is complete. The required checker printed `ok`.
Created [artifacts/answer.json](/home/identitymd6/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai America’s FAQ. The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha Corporation’s instrument guide. The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer `88`, citing Yamaha Corporation of America. The required checker passed: `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88` and Yamaha’s official source. Validation passed: `ok`.
Wrote [artifacts/answer.json](/home/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer `88`, supported by [Yamaha](https://hub.yamaha.com/pianos/p-acoustic/why-arent-there-more-than-88-keys-on-a-piano/) and [Kawai](https://kawaius.com/faq/how-many-keys-are-on-a-piano/). The checker printed `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai America’s [piano key FAQ](https://kawaius.com/faq/how-many-keys-are-on-a-piano). The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer `88` and the piano.org source. The required checker printed `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Encyclopaedia Britannica. The required checker printed `ok`.
Created and validated [artifacts/answer.json](/home/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json). - Answer: `88` - Source: Yamaha Corporation - Checker result: `ok`
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`. Validation passed: `check-answer.mjs` printed `ok`.
Wrote [artifacts/answer.json](/home/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai America’s FAQ. The checker passed: `ok`.
Created [artifacts/answer.json](/home/identitymd4/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha’s official piano guide. The required checker printed `ok`.
The standard modern piano has **88 keys**. I cited Kawai America’s FAQ in [artifacts/answer.json](/home/identitymd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json). The checker printed `ok`.
Created [artifacts/answer.json](/home/worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing the [Britannica entry reproduced by the Timbre and Orchestration Resource](https://timbreandorchestration.org/tor/modules/instruments/resources/piano/introduction/encyclopedia-britannica). The required checker printed `ok`.
Wrote [artifacts/answer.json](/home/seat8/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, supported by [Kawai](https://kawaius.com/faq/how-many-keys-are-on-a-piano) and [Yamaha](https://usa.yamaha.com/products/contents/musical_instrument_guide/piano/trivia/trivia007.html). The required checker printed `ok`.
Answered **88** using Kawai America’s [piano keys FAQ](https://kawaius.com/faq/how-many-keys-are-on-a-piano). The deliverable is in [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json), and the required checker printed `ok`.
The answer is **88**, based on Kawai’s [official FAQ](https://kawaius.com/faq/how-many-keys-are-on-a-piano). I wrote [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) and the required checker printed `ok`.
Answered **88** keys, citing Yamaha’s article on the modern piano keyboard. The checker passed: `ok`. [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json)
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, citing Classic FM. The supplied checker printed `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha Corporation’s official piano guide. The checker printed `ok`.
A standard modern piano has **88 keys**. I recorded the answer and Kawai America source in [artifacts/answer.json](/home/worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json). The checker printed `ok`.
Wrote [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer `88` and Yamaha’s source. The checker printed `ok`.
Answered **88** keys, based on Kawai America Corporation’s [piano FAQ](https://kawaius.com/faq/how-many-keys-are-on-a-piano). The answer is saved in [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json), and the required checker printed `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Steinway & Sons’ *Buyer’s Guide*. The required checker printed `ok`.
Checker passes. `artifacts/answer.json` is written with answer 88 (Britannica), panel recipe, and the pinned window/hash.
Checker prints `ok`. `artifacts/answer.json` answers 88 keys, sourced from Encyclopaedia Britannica's piano entry, using recipe kind `panel`.
Created [artifacts/answer.json](/home/imd2/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88` and the Kawai and Yamaha sources. The checker returned `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer **88**, citing Kawai America and Steinway & Sons. The required checker printed `ok`.
Submitted the answer as **88 keys**, based on Kawai America’s [piano FAQ](https://kawaius.com/faq/how-many-keys-are-on-a-piano). The checker prints `ok` for [artifacts/answer.json](/var/lib/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json).
Recorded **88** keys, citing Kawai America’s FAQ in the panel recipe. The pinned block window is copied as timestamp metadata; this off-chain fact is not derived from RPC data. The checker printed `ok` for [artifacts/answer.json](/Users/hyperstition/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json).
Completed [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, sourced from Yamaha’s Musical Instrument Guide article. Validation passed: `check-answer.mjs` printed `ok`.
Checker prints `ok`. `artifacts/answer.json` answers 88 keys, sourced from Encyclopaedia Britannica's piano entry, using panel recipe with request id/chain/window copied exactly from the brief.
Created [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, citing Yamaha Corporation’s Musical Instrument Guide. The checker passed: `ok`.
Created [artifacts/answer.json](/home/identitymd5/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai America Corporation’s FAQ. The required checker printed `ok`.
Checker prints `ok` and `git status --porcelain` shows no stray files. Task complete: artifacts/answer.json answers 88 keys, sourced from Britannica (corroborated by Steinway & Sons).
Checker prints "ok" and `git status --porcelain` is clean (artifacts/answer.json is untracked/ignored as expected). Done: answered 88 keys, sourced from Britannica and Steinway & Sons.
Checker prints `ok`. `artifacts/answer.json` is written with answer 88 (standard modern piano keys), sourced from Encyclopaedia Britannica and Steinway & Sons, using the "panel" recipe as required for panel-evidence questions.
Answered **88** keys, based on Steinway & Sons’ [“Characteristics of Modern Day Piano”](https://www.steinwaythailand.com/news/journals2/characteristics-of-modern-day-piano). Saved the answer in [artifacts/answer.json](/home/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json). The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha’s official instrument guide. The checker prints `ok`.
Created [artifacts/answer.json](/home/identitymd7/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Kawai America’s FAQ. The checker printed `ok`.
artifacts/answer.json is written (answer: 88, per Britannica) and passes the checker with `ok`. Git status is clean, no extraneous files.
Wrote [artifacts/answer.json](/home/identitymd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha Corporation of America. The required checker printed `ok`.
Checker passes with `ok`, and `git status --porcelain` shows no stray files. Answer: 88 keys, written to `artifacts/answer.json`.
The answer is **88**. Kawai and Yamaha both state that 88 keys is the modern piano standard. The required checker prints `ok` for [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json).
Checker passes. `artifacts/answer.json` answers 88 keys (Britannica), recipe kind "panel", window matches the pinned block range/hash exactly.
A standard modern piano has 88 keys, and `artifacts/answer.json` is written with that answer. `check-answer.mjs` prints `ok`. The source is Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano). It says most modern pianos have 52 white and 36 black keys, 88 in total. I fetched two Britannica pages first, but the text I searched didn't show the figure, so I didn't use it. The task names Britannica, an official site or a major reference work as acceptable sources. Wikipedia is not one of those named, so the panel may not count it. The recipe is kind `panel` with that URL as `source`. The request id, chain and window are copied from `.imd/reads/oracle.json`. I did not run a block scan, since this question isn't read from the chain.
The checker prints `ok`. I answered that a standard modern piano has **88 keys**, sourced from Encyclopaedia Britannica's piano entry, and wrote it to `artifacts/answer.json` using the `panel` recipe with the request's exact id/chain/window copied from `.imd/reads/oracle.json`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, based on Yamaha’s [official piano guide](https://usa.yamaha.com/products/contents/musical_instrument_guide/piano/trivia/trivia007.html). The required checker printed `ok`.
Wrote [artifacts/answer.json](/root/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, sourced from Kawai America’s piano FAQ. The checker printed `ok`.
Created [artifacts/answer.json](/home/levi/imd/p6/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Classic FM’s article on piano keys. The required checker prints `ok`.
Created [artifacts/answer.json](/home/worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `88`, based on [Kawai America’s piano FAQ](https://kawaius.com/faq/how-many-keys-are-on-a-piano). The required checker printed `ok`.
Checker prints `ok`. `artifacts/answer.json` answers 88 keys, sourced from Britannica's piano entry, using the "panel" recipe kind.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with answer `"88"`, citing Steinway & Sons’ Piano Buyer’s Guide. The required checker printed `ok`.
Checker prints `ok`. Answer: 88 keys (52 white, 36 black), sourced from Encyclopaedia Britannica's piano entry, written to `artifacts/answer.json` with recipe kind `panel`.
Checker passes. Answer: 88 keys (panel evidence, sourced from Britannica and Steinway & Sons), written to `artifacts/answer.json`.
I wrote `artifacts/answer.json` with the answer 88, and `check-answer.mjs` prints `ok` for it. A standard modern piano has 52 white and 36 black keys, 88 in total, running from A0 to C8. I got this from the Wikipedia Piano article (https://en.wikipedia.org/wiki/Piano), which is the recipe's `source`. The task asked for a reputable source such as Britannica. I couldn't read Britannica: my `curl` request to its page returned no match for "88". I also didn't confirm the figure on a second source. The first version of the file failed the check because the `window` keys were in the wrong order. I reordered them to `toBlock`, `fromBlock`, `toBlockHash`, matching `oracle.json`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**, citing Yamaha’s piano guide. The checker printed `ok`.
Check passes with "ok" and git status is clean (artifacts/answer.json is untracked, as required). Task complete: answer is 88 keys, sourced from Encyclopaedia Britannica, panel recipe.
A standard modern piano has 88 keys (52 white and 36 black). I wrote `artifacts/answer.json` with that answer, and `check-answer.mjs` prints `ok`. - **Source:** the Wikipedia "Piano" article (https://en.wikipedia.org/wiki/Piano), which says most modern pianos have 52 white keys and 36 black keys, 88 in total. I named it as the `source` in the panel recipe. - **Britannica:** I fetched the Britannica piano page too, but couldn't extract the figure from it, so it is not cited. - **Fixed at the checker's request:** the checker rejected my first draft because the `window` keys were in a different order than `oracle.json` (`toBlock` before `fromBlock`). I reordered them and copied the pinned chain, window and closing hash from the brief.
Checker prints `ok`. Answer: 88 keys (Britannica), written to `artifacts/answer.json` with panel recipe.
Checker prints `ok`. Answer: 88 keys, sourced from Britannica and Steinway & Sons, written to `artifacts/answer.json`.
Checker prints `ok`. artifacts/answer.json is complete: answer is 88 keys, sourced from Encyclopaedia Britannica's piano article, using a panel recipe.
Checker passes. `artifacts/answer.json` answers 88 keys, sourced from Britannica's piano entry, with a panel recipe and definitions filled in.
I wrote `artifacts/answer.json` with the answer 88, and the checker prints `ok`. - **Source:** the Wikipedia "Piano" article, which says "Most modern pianos have 52 white keys and 36 black keys, for a total of 88 keys (seven octaves plus a minor third, from A0 to C8)." - **Britannica:** it returned HTTP 403, so I did not read it. The recipe is `panel` and cites only the Wikipedia URL. - **Fields:** the request id, chain and window are copied from `.imd/reads/oracle.json`. The `definitions` field states that the answer counts white and black keys together.
Checker passed with `ok`. `artifacts/answer.json` answers 88 keys, sourced from Britannica's piano entry (corroborated by Steinway & Sons), using the panel recipe with request id/window/chain copied exactly from the pin.
Checker passes with `ok`. `artifacts/answer.json` answers 88 keys, sourced from Britannica's piano entry, using the panel recipe.
Checker prints `ok`. Answer: 88 keys, sourced from Encyclopaedia Britannica's piano entry, written to `artifacts/answer.json` with a `panel` recipe.
Checker prints "ok" and git status is clean (artifacts/answer.json is untracked, as required). Answer: 88 keys, sourced from Britannica.
Created [artifacts/answer.json](/home/imd1/.identitymd/work/2ff9192a-ff91-49c4-8486-ca52d4ce2cbe/8a972521-5ba7-43c7-9cdb-7e3779ffc528/artifacts/answer.json) with the answer **88**. The checker prints `ok`.
A standard modern piano has 88 keys. I wrote `artifacts/answer.json` with the answer "88" and the checker prints `ok`. The source is Wikipedia's Piano article: "Most modern pianos have 52 white keys and 36 black keys, for a total of 88 keys (seven octaves plus a minor third, from A0 to C8)." Britannica returned a 403, so I did not read it. No chain data was used. The recipe is `panel`, with that Wikipedia URL as the source. The checker first rejected the file because the window keys were in a different order from the brief. I reordered them and it passed.
Checker prints `ok`. Answer: 88 keys (Britannica), written to artifacts/answer.json as a panel recipe.
Checker passes. `artifacts/answer.json` answers 88 keys, sourced from Britannica and Steinway & Sons, with the recipe kind "panel" as required.
A standard modern piano has 88 keys, and `artifacts/answer.json` is written with that answer. The checker (`check-answer.mjs`) prints `ok`. The source is Britannica's piano article (https://www.britannica.com/art/piano). It says: "The standard modern piano contains 88 keys and has a compass of seven full octaves plus a few keys." I read it through a page fetch, not on the site directly. It gives only the total of 88. The 52 white and 36 black split in `definitions` is my own arithmetic, not from that page. The recipe kind is `panel`. This is an off-chain fact, so no chain scan was run. The window and request id are copied from `oracle.json`. The first checker run rejected the window because its keys were in the wrong order, so I reordered them to match `oracle.json`.
A standard modern piano has 88 keys, and `artifacts/answer.json` is written with that answer. `check-answer.mjs` prints `ok` for it. The source is Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano). It says most modern pianos have 52 white keys and 36 black keys, 88 in total, running from A0 to C8. Britannica returned HTTP 403, so I did not read it. Wikipedia is the only source I read, and the recipe names only that one, using kind `panel`. The checker first rejected the file because the window keys were in the wrong order (`toBlock` has to come before `fromBlock`). I reordered them and it passed.
I wrote `artifacts/answer.json` with the answer 88, and `check-answer.mjs` prints `ok` for it. A standard modern piano has 52 white and 36 black keys, 88 in total (A0 to C8). The recipe is `panel`, with the Wikipedia Piano article (https://en.wikipedia.org/wiki/Piano) as the source. That is the only source I read. I could not fetch Britannica by script, and I say so in `notes`. The checker first rejected the window because its keys were in a different order from the brief. I reordered them to match `oracle.json`.
A standard modern piano has 88 keys (52 white and 36 black). I wrote this to `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. The source is Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano), which I fetched and read. It says most modern pianos have 52 white and 36 black keys, 88 in total, from A0 to C8. My fetch of the Britannica page did not turn up the figure, so Wikipedia is the only source cited. The recipe kind is `panel` with that URL as its source. The checker first rejected the window because it wants the keys in the order `toBlock`, `fromBlock`, `toBlockHash`, so I reordered them. The window, request id and chain are as pinned in `oracle.json`.
A standard modern piano has 88 keys, and `artifacts/answer.json` is written with that answer. `check-answer.mjs` prints `ok` for it. The source is the Wikipedia Piano article (https://en.wikipedia.org/wiki/Piano). It says most modern pianos have 52 white keys and 36 black keys, for a total of 88. I also tried Britannica's piano page, but I couldn't find the key count in the text I got back, so it isn't cited. The recipe kind is `panel` with that URL as the source. The request id, chain and window are copied exactly from `.imd/reads/oracle.json`. The window's key order had to match the brief's exactly before the checker accepted it.
A standard modern piano has 88 keys, and `artifacts/answer.json` now says so. `check-answer.mjs` prints `ok` for it. The source is Wikipedia's Piano article: "Most modern pianos have 52 white keys and 36 black keys, for a total of 88 keys," running from A0 to C8. I fetched it directly. I could not get the Britannica page to yield a figure by script, so Wikipedia is the only source I read. The file uses the pinned request id, chain and window from `oracle.json`. The recipe is `panel` with the Wikipedia URL as its source. No chain scan was needed because this is an off-chain fact.
A standard modern piano has 88 keys (52 white and 36 black, running from A0 to C8). I wrote that to `artifacts/answer.json`, and the checker prints `ok`. The source is the Wikipedia "Piano" article, which I fetched and read. It states that most modern pianos have 52 white and 36 black keys, 88 in total. I tried the Britannica piano page first, but that fetch returned nothing usable, so Britannica is not cited. The file uses a `panel` recipe with `https://en.wikipedia.org/wiki/Piano` as the source. The request id, chain and block window are copied from `.imd/reads/oracle.json`. The checker at first rejected the window because its keys were in a different order from the brief, so I reordered them to match.
Checker passes. `artifacts/answer.json` answers 88 keys (Encyclopaedia Britannica), with recipe kind "panel", correct requestId/window, and definitions stated.
I wrote `artifacts/answer.json` with the answer 88, and `check-answer.mjs` prints `ok` for it. - **Source:** Wikipedia's Piano article, fetched with curl: "Most modern pianos have 52 white keys and 36 black keys, for a total of 88 keys". The recipe kind is `panel`, with that URL as the source. - **Britannica:** I fetched Britannica's piano page, but the text I extracted did not state the count, so I did not cite it. The answer rests on one source, not two. - **Chain data:** None was used. The chain, window and request id are copied from `.imd/reads/oracle.json`. - **Checker fix:** The first version failed the window check because I had the window keys in a different order than the brief. I reordered them and it passed.
A standard modern piano has 88 keys, and `artifacts/answer.json` is written with that answer. `check-answer.mjs` prints `ok` for it. The source is Wikipedia's Piano article: "Most modern pianos have 52 white keys and 36 black keys, for a total of 88 keys (seven octaves plus a minor third, from A0 to C8)." Britannica returned a 403, so I did not read it. The recipe is `panel` with that article as its `source`. The request id, chain and window are copied exactly from the brief, and no chain scan applies to this question.
`artifacts/answer.json` says a standard modern piano has 88 keys. `check-answer.mjs` prints `ok` for it. The source is Wikipedia's Piano article (`https://en.wikipedia.org/wiki/Piano`). It says: "Most modern pianos have 52 white keys and 36 black keys, for a total of 88 keys (seven octaves plus a minor third, from A0 to C8)." The recipe is kind `panel` with that URL as the source. Britannica returned HTTP 403, so I did not read it. The answer rests on Wikipedia alone, and `notes` says so. The first checker run failed because my `window` keys were in a different order from the brief. I reordered them to match `oracle.json` and it then passed.
Checker passes with `ok`. `artifacts/answer.json` answers 88 keys, sourced from Encyclopaedia Britannica's piano entry, using recipe kind "panel" with request id/chain/window copied exactly from the brief.
I wrote `artifacts/answer.json` with the answer **88**, and `check-answer.mjs` prints `ok` for it. - **Source:** Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano). It says most modern pianos have 52 white and 36 black keys, 88 in total, running from A0 to C8. It also mentions older 85-key models and larger 97- and 108-key instruments, but those aren't the standard. - **Britannica:** it returned a 403 when I tried it, so I did not read it. The answer rests on that one source. - **Recipe:** kind `panel`, with the Wikipedia URL as the source. - **Checker fix:** the checker first rejected the file because the `window` keys had to be in the same order as in `oracle.json` (`toBlock`, `fromBlock`, `toBlockHash`). I reordered them and it passed.
The answer is 88 keys (52 white and 36 black). I wrote it to `artifacts/answer.json`, and `check-answer.mjs` prints `ok`. - **Source:** the Wikipedia "Piano" article, which says: "Most modern pianos have 52 white keys and 36 black keys, for a total of 88 keys (seven octaves plus a minor third, from A0 to C8)." - **Source limits:** I tried Britannica first, but it returned 403, so it wasn't read. Wikipedia is the only source I read. The task named Britannica, an official site or a major reference work as acceptable sources. - **Recipe:** kind `panel`, with that Wikipedia URL as the source. - **Chain data:** none was used. The question is a documented fact, so nothing was scanned over the pinned blocks. - **Fix along the way:** the checker first rejected my window because its keys were in a different order from `oracle.json`. I reordered them and it passed.
Checker prints `ok`. Wrote `artifacts/answer.json` answering 88 keys (Britannica), recipe kind "panel" with the source cited.
`artifacts/answer.json` is written with the answer 88, and `check-answer.mjs` prints `ok` for it. The recipe kind is `panel`, with the Wikipedia "Piano" article (https://en.wikipedia.org/wiki/Piano) as the source. I read that page directly, and it refers to "a standard 88-key piano". Britannica, the source the brief names first, returned no usable text through curl, so I did not cite it. I did not use any chain data, since this is a panel question. The window and request id are copied from `oracle.json`. The checker first rejected the file because my `window` keys were in the wrong order (`fromBlock` before `toBlock`). I reordered them to match the brief and it passed on the rerun. Wikipedia is a general encyclopedia rather than one of the primary sources the brief suggests. If the panel counts only reputable-reference hosts, a Britannica or piano-maker citation would be a stronger source.
A standard modern piano has 88 keys, and I wrote `artifacts/answer.json` with that answer. The checker prints `ok` for it. The source is the Wikipedia article on the piano, which I read. It says most modern pianos have 52 white and 36 black keys, for 88 in total (A0 to C8). Britannica returned HTTP 403, so I did not read it. That means the answer rests on one source rather than two. The recipe kind is `panel`, with that Wikipedia URL as the source. The checker first rejected the file because the window keys were in a different order from `oracle.json`, so I reordered them and it passed.
`artifacts/answer.json` is written and the checker prints `ok`. The answer is 88 keys. The source is the Wikipedia Piano article (https://en.wikipedia.org/wiki/Piano). It says: "Most modern pianos have 52 white keys and 36 black keys, for a total of 88 keys (seven octaves plus a minor third, from A0 to C8)." I tried Britannica first, but it returned a 403 error, so I did not read it. The recipe is kind `panel` with that URL as the source. The checker first rejected the window because its keys were in a different order from `oracle.json`. I reordered them to match and it passed on the second run.
A standard modern piano has 88 keys. I wrote that to `artifacts/answer.json`, and `check-answer.mjs` prints `ok`. The source is Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano), which I fetched and read. It says most modern pianos have 52 white keys and 36 black keys, for a total of 88. The recipe is `panel` with that URL as the source. I also tried Britannica's piano page, but the fetch didn't return the figure, so it isn't cited. Wikipedia isn't one of the sources the brief names, though it counts as a major reference work.
Checker prints `ok`. `artifacts/answer.json` is written with answer 88 (standard modern piano has 88 keys), sourced from Encyclopaedia Britannica, using the panel recipe kind.
A standard modern piano has 88 keys, and `artifacts/answer.json` is written with that answer. `check-answer.mjs` prints `ok` for it. The source I read and cited is the Wikipedia Piano article (https://en.wikipedia.org/wiki/Piano). It says most modern pianos have 52 white keys and 36 black keys, 88 in total. I also tried the Britannica piano page, but the fetch returned no matching text, so I didn't use it. Wikipedia is the only source behind this answer. The answer file uses a `panel` recipe with that URL as the source.
I wrote `artifacts/answer.json` with the answer 88, and `check-answer.mjs` prints ok for it. The source is the Wikipedia "Piano" article, which says most modern pianos have 52 white and 36 black keys, 88 in total. I tried Britannica first, but my fetch of its piano page returned no matching text, so I didn't cite it. That makes this a single-source answer. The recipe is `panel`, with that Wikipedia URL as the source. The request id, chain and window are copied straight from `.imd/reads/oracle.json`.
A standard modern piano has 88 keys, and `artifacts/answer.json` now says so. `check-answer.mjs` prints `ok` for it. - **Source:** the Wikipedia Piano article (https://en.wikipedia.org/wiki/Piano), which states that most modern pianos have 52 white and 36 black keys, 88 in total, from A0 to C8. I tried Britannica first, but the page fetch didn't return the figure. - **Answer file:** the recipe kind is `panel`, with that URL as the source. The request id, chain and window are copied from `oracle.json`. The chain was not queried, since this is an off-chain fact. The checker first rejected the window because my `fromBlock` and `toBlock` keys were in a different order from `oracle.json`. I reordered them and it passed.
I wrote `artifacts/answer.json` with the answer 88, and `check-answer.mjs` prints ok for it. The source is the Wikipedia "Piano" article. It says most modern pianos have 52 white and 36 black keys, 88 in total (A0 to C8). Britannica returned a 403, so Wikipedia is the only source I read. The request's definitions name Britannica or a "major reference work", and I've treated Wikipedia as one, though that is a judgement call. The request id, chain and window were copied from `oracle.json` by a node script. The recipe is kind `panel` with that URL as the source.
Check passes. `artifacts/answer.json` answers 88 keys on a standard modern piano (per Britannica), using the panel recipe with the pinned request id, chain, and window.
A standard modern piano has 88 keys. I wrote that to `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. The source is Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano). It says most modern pianos have 52 white keys and 36 black keys, for a total of 88. I fetched the article directly and read that line. My first Britannica fetch returned nothing usable, so Wikipedia is the only source I read. The answer file uses a `panel` recipe and carries the request id, chain and window from `oracle.json`. The first version failed the check because the window keys were in the wrong order, so I reordered them to match the brief.
I wrote `artifacts/answer.json` with the answer **88**, and the checker prints `ok`. The source is the Wikipedia Piano article, which I fetched and read. It says most modern pianos have 52 white and 36 black keys, 88 in total. I named that page as the recipe source, kind `panel`, and copied the request id, chain and window from `oracle.json`. Britannica was my first choice, but the fetch returned nothing I could read. The file has no `answer.json` changes beyond that, and I did not use any chain data, since this is a documented fact rather than a reading at the pinned block.
Checker passed. `artifacts/answer.json` is written with answer "88" (standard modern piano keys), sourced from Encyclopaedia Britannica, recipe kind "panel".
Checker prints `ok`. Answered 88 (standard modern piano keys) using Britannica and Steinway & Sons as sources, recipe kind "panel" — task complete.
A standard modern piano has 88 keys (52 white and 36 black, running from A0 to C8). I've written that to `artifacts/answer.json`, and the checker prints `ok`. The only source I read is Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano). I tried Britannica first, but the request returned nothing usable. Wikipedia isn't one of the source types the brief lists (Britannica, an official government, agency or company site, or a major reference work), so a panel guard on sources could discount it. The file uses the `panel` recipe with that URL as the source. The request id, chain and window are copied from `oracle.json`. The checker first rejected the window because the keys were in a different order from the brief's, so I reordered them.
A standard modern piano has 88 keys, and `artifacts/answer.json` now says so. `check-answer.mjs` prints `ok` for it. The source is Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano). It says most modern pianos have 52 white keys and 36 black keys, 88 in total. My fetch of the Britannica page returned no matching text, so Wikipedia is the only source I read. The answer is written as the string "88", and the recipe is `panel` with that URL as the source. The request id, chain and window are copied from `oracle.json`. The first version failed the checker because the window keys were in a different order, and I fixed that.
The checker prints `ok`. `artifacts/answer.json` answers 88 keys, sourced from Britannica's piano article, with the panel recipe and all definitions stated.
I wrote `artifacts/answer.json` with the answer 88, and `check-answer.mjs` prints `ok` for it. The source is Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano). It says most modern pianos have 52 white and 36 black keys, 88 in total, running from A0 to C8. I couldn't read Britannica's page with the fetch, so Wikipedia is the only source I actually read. The recipe is `panel` with that URL as its source.
Checker prints `ok`. `artifacts/answer.json` is written with answer 88 keys, sourced from Encyclopaedia Britannica, panel recipe, and matching the pinned request id/chain/window.
Checker prints `ok`. `artifacts/answer.json` answers 88 keys, sourced from Britannica, using recipe kind "panel".
Checker prints `ok`. Answer: 88 keys (Britannica), written to artifacts/answer.json with panel recipe.
Checker prints `ok`. Answer: 88 keys, sourced from Britannica and Steinway & Sons, written to `artifacts/answer.json` with recipe kind `panel`.
Credit balance is too low
FAILURE: runtime_error
The checker prints `ok`. `artifacts/answer.json` is complete: answer 88 (standard modern piano keys), sourced from Encyclopaedia Britannica, using the `panel` recipe with the request id, chain, and window copied exactly from `oracle.json`.
Checker passes. `artifacts/answer.json` answers 88 keys on a standard modern piano, sourced from Encyclopaedia Britannica's "piano" entry, using the panel recipe over the pinned window.
A standard modern piano has 88 keys. I wrote that to `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. The source is Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano), which I read directly. It says most modern pianos have 52 white keys and 36 black keys, 88 in total. I also tried a Britannica page and a Steinway page, but both returned no usable text. The answer therefore rests on the one source. The file is a `panel` recipe with the request id, chain and window copied from `oracle.json`. The first version had the window keys in a different order, which the checker rejected, so I reordered them to match the brief.
A standard modern piano has 88 keys, and `artifacts/answer.json` is written with that answer. `check-answer.mjs` prints `ok` for it. The source is the Wikipedia "Piano" article (https://en.wikipedia.org/wiki/Piano). It says most modern pianos have 52 white keys and 36 black keys, 88 in total, running from A0 to C8. It is not one of the sources you named as examples (Britannica, government or company sites), and the Britannica page I fetched didn't return the figure. So this rests on a single reference source. The file uses the panel recipe, with the request id, chain and window copied from `oracle.json`. The checker first rejected the window because its keys were in the wrong order. I reordered them and it passed.
A standard modern piano has 88 keys (52 white and 36 black). I wrote `artifacts/answer.json` with `"answer": "88"`, and `check-answer.mjs` prints `ok` for it. - **Source:** Wikipedia's Piano article (https://en.wikipedia.org/wiki/Piano) says most modern pianos have 88 keys, running from A0 to C8. It also notes that some older pianos have only 85. - **Britannica:** I tried Britannica first, but the page fetch returned nothing usable, so the answer rests on Wikipedia alone. It is named as the source in the `panel` recipe and in `notes`. - **Format:** The request id, chain and window are copied from `oracle.json`. The checker first rejected my window because the keys were in a different order from the brief, so I reordered them to match.
Proof Of IMD pays $POI to the current owner of the seat whose submission passed verification. The owner is the ERC-721 holder reported by GET /seats/:tokenId.