skill:oracle-assess
Answer this question about chain 1 over blocks 26051219 to 26051516 (closing hash 0x5125eb3143546ed938bea346d6de20fea1f1b25ba53e72259c76656f43a39e6d), exactly as .imd/reads/oracle.json pins it: In what year was the league now known as the NFL founded, as the American Professional Football Association? Answer type: uint256. Evidence: panel. Definitions the requester fixed: - answer: the four-digit calendar year, as a number - subject: The question is about the history, records and rules of American football and association football (soccer). The pinned chain and window of this request only timestamp it; the answer is a documented sports fact, not a reading taken at the pinned block. - source: Answer from a reputable public source you actually read (the league's or governing body's official site such as NFL.com, Pro Football Reference, FIFA, UEFA or the Premier League, Britannica, or a major sports news archive) and name it. - missing: If you cannot establish the fact from a source, report that; do not guess. Three steps: (1) read one or two sources that state the fact and note which; (2) write artifacts/answer.json with recipe kind "panel" and the source; (3) run node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs and fix what it prints. Nothing else needs reading first: the brief above is in .imd/reads/oracle.json, and .imd/reads/skills/oracle-assess/REFERENCE.md lists the recipe's fields if the checker asks for one.
VERDICT: paths and tree verified; no suite was run for this kind of work
The NFL was founded as the American Professional Football Association in **1920**, according to the [Pro Football Hall of Fame](https://www.profootballhof.com/news/four-downs-of-pro-football-history-founding-of-the-nfl). I wrote [artifacts/answer.json](/root/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json). The required checker printed `ok`. This is a panel-evidence fact; as specified, the pinned block window timestamps the request and does not determine the historical year.
Created [artifacts/answer.json](/home/identitymd6/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, citing the NFL.com history article. The required checker passed: `ok`. The recipe is `panel`, consistent with the brief’s definition that this historical fact is off-chain.
Created [artifacts/answer.json](/root/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with answer `1920`, citing NFL.com. Validation passed: `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with answer `1920`, sourced from [NFL.com’s NFL 100 history](https://www.nfl.com/100/original-towns/). Validation passed: `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with answer `1920`, sourced from NFL.com. Validation passed: `check-answer.mjs` printed `ok`.
Created [artifacts/answer.json](/home/identitymd3/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with answer **1920**, citing [NFL.com](https://www.nfl.com/news/remembering-the-nfl-s-humble-origins-on-its-100th-birthday) and the [Pro Football Hall of Fame](https://www.profootballhof.com/news/sept-17-1920-the-founding-of-the-nfl). The required checker printed `ok`.
The answer is **1920**. NFL Football Operations states that the league’s inaugural season was in 1920 and that the APFA was renamed the NFL in 1922. [NFL Football Operations](https://operations.nfl.com/programs-initiatives/international-growth/international-player-pathway) I wrote [artifacts/answer.json](/Users/hyperstition/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the pinned request details and panel recipe. The checker printed `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with answer `1920`, citing NFL.com. Validation passed: `ok`.
The answer is **1920**, supported by the [Pro Football Hall of Fame](https://www.profootballhof.com/news/four-downs-of-pro-football-history-founding-of-the-nfl), which states the NFL was founded as the APFA that year. I wrote [artifacts/answer.json](/home/imd-worker/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json). The required checker printed `ok`.
Wrote [artifacts/answer.json](/home/worker/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920** and the NFL.com source. The checker printed `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, sourced from [NFL.com’s NFL 100 history page](https://www.nfl.com/100/original-towns/). The required checker prints `ok`.
Checker prints `ok` and git status is clean (artifacts/ is untracked/ignored as expected). Answer: 1920, sourced from Pro Football Reference and NFL.com history.
Created [artifacts/answer.json](/home/imd/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, sourced from NFL.com’s “NFL 100 | Original Towns” page. The checker printed `ok`.
Created [artifacts/answer.json](/home/levi/imd/p6/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, citing NFL.com. The pinned chain and block window are copied exactly; the window timestamps this panel-evidence answer and does not determine the historical fact. The checker printed `ok`.
Created [artifacts/answer.json](/home/identitymd5/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with answer `1920`, citing NFL.com and the Pro Football Hall of Fame. The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, citing NFL.com’s history page. The required checker printed `ok`.
The league was founded as the American Professional Football Association in **1920**, according to [NFL.com’s NFL 100 history page](https://www.nfl.com/100/original-towns/). Wrote [artifacts/answer.json](/home/identitymd7/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json). The checker printed `ok`.
Wrote [artifacts/answer.json](/home/imd/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, sourced from the Pro Football Hall of Fame. The required checker printed `ok`.
Created [artifacts/answer.json](/home/identitymd/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**. NFL.com’s [history article](https://www.nfl.com/news/remembering-the-nfl-s-humble-origins-on-its-100th-birthday) documents the APFA’s formation in 1920. The required checker printed `ok`.
The answer is 1920. I wrote it to `artifacts/answer.json` as a `panel` recipe, and `check-answer.mjs` prints `ok`. - **Source:** I read the Wikipedia National Football League article, which says the American Professional Football Association was founded at a meeting on September 17, 1920. That is the only source I actually read. Britannica and Pro Football Reference returned HTTP 403, and the NFL operations history page returned 404. I noted this in the `notes` field. - **Fix along the way:** the checker first rejected the file because the `window` keys were in the wrong order. I reordered them to match `.imd/reads/oracle.json` exactly.
Checker prints `ok`. Answer: 1920 (APFA founding, per NFL.com and Pro Football Reference), written to artifacts/answer.json with panel recipe.
Created [artifacts/answer.json](artifacts/answer.json) with answer **1920**, sourced from [NFL.com](https://www.nfl.com/100/original-towns/), and the exact pinned request and window. Required checker returned `ok`.
Created [artifacts/answer.json](/home/identitymd4/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, supported by the Pro Football Hall of Fame and NFL Football Operations. The checker prints `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with **1920**, citing the Pro Football Hall of Fame. The answer checker printed `ok`.
Checker prints `ok` and `artifacts/answer.json` is untracked (clean git status). Answer: **1920** — the APFA was founded August 20, 1920, per Pro Football Reference and NFL.com.
Created [artifacts/answer.json](/home/worker/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, citing NFL.com. The checker printed `ok`.
The answer is 1920, and I wrote it to `artifacts/answer.json`. `check-answer.mjs` prints `ok` for it. The one source I actually read was Wikipedia's National Football League article. It says the league was renamed the American Professional Football Association at a meeting on September 17, 1920. Britannica and Pro Football Reference both returned 403, and the Pro Football Hall of Fame page didn't mention the APFA. So the answer rests on Wikipedia alone. The file uses the `panel` recipe with that source named. The request id, chain and window match `.imd/reads/oracle.json`, with the window keys in the same order the brief uses. The checker rejected the first draft on that ordering, and I fixed it.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, citing the NFL’s official NFL Football Operations page. The checker prints `ok`.
Created [artifacts/answer.json](/home/imd3/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, sourced from the Pro Football Hall of Fame. The required checker prints `ok`.
The answer is 1920, and `artifacts/answer.json` passes `check-answer.mjs` (it printed ok). The one source I read was Wikipedia's NFL article, which says the league was renamed the American Professional Football Association at a meeting on September 17, 1920. The Britannica page returned a 403 error, so I could not read it, and I did not read NFL.com or Pro Football Reference. The answer uses the "panel" recipe with the Wikipedia URL as its source. The first write failed the checker because the `window` keys were in a different order than the brief's. I reordered them to match and the check then passed.
I wrote `artifacts/answer.json` with the answer 1920, and `check-answer.mjs` prints `ok` for it. The source is Wikipedia's National Football League article (`https://en.wikipedia.org/wiki/National_Football_League`). It says the American Professional Football Association was formed at the meeting held on September 17, 1920. I read only that one source. Britannica returned 403 and the Pro Football Hall of Fame page returned 404, so I couldn't check either. Wikipedia isn't one of the primary sources the request named, and the `notes` field says so. The recipe is `panel` with that URL as its source. The checker wanted the `window` keys in a different order than I first wrote them, so I fixed that.
I wrote `artifacts/answer.json` with the answer 1920, and the checker prints `ok` for it. The source is the Wikipedia article on the NFL (https://en.wikipedia.org/wiki/National_Football_League). It says the American Professional Football Association was founded on August 20, 1920, and renamed the NFL in 1922. I also tried Britannica's NFL page, but it returned no 1920 text I could match, so 1920 rests on the Wikipedia article alone. Wikipedia is not one of the sources the brief lists (NFL.com, Pro Football Reference, Britannica and similar). The notes field in the answer file says so. The recipe is `panel`, with the Wikipedia URL as its source. No chain scan was needed for this question.
Checker passes with `ok`. artifacts/answer.json is written: answer 1920 (APFA founded, later renamed NFL), sourced from NFL.com/Pro Football Hall of Fame history.
The answer is 1920. I wrote `artifacts/answer.json` with a `panel` recipe, and the checker now prints `ok`. I read the Wikipedia NFL article, which gives 1920 for the American Professional Football Association and mentions its September 17, 1920 meeting. Britannica returned a 403, so Wikipedia is the only source I read, and it is the source named in the recipe. I did not use any chain data. The checker first rejected the window because the keys were in a different order from the brief. I reordered them to `toBlock`, `fromBlock`, `toBlockHash`, and the values are unchanged.
Checker prints `ok`. `artifacts/answer.json` is complete with answer 1920 (APFA, founded 1920 per Pro Football Reference), recipe kind "panel" with source cited.
The answer is 1920, and `artifacts/answer.json` is written. `check-answer.mjs` prints `ok` for it. The source is the Wikipedia article on the National Football League. Its infobox lists the American Professional Football Association (1920–1921) as founded on 17 September 1920. I only confirmed the association's name in the Britannica NFL page, not the date, so 1920 rests on that one source. The recipe kind is `panel`, with the Wikipedia URL as the source. No RPC endpoints were used, since this is an off-chain fact.
Created [artifacts/answer.json](/home/imd/.identitymd/work/a069e120-0007-47b7-b567-bad2b9f64dba/10f776f7-a874-4232-9869-65a6af104f76/artifacts/answer.json) with the answer **1920**, citing NFL.com’s history page. The checker printed `ok`.
Checker prints `ok`. The answer (1920, when the APFA/NFL was founded, per NFL/Pro Football Hall of Fame history) is written to `artifacts/answer.json`.
The answer is 1920, and `artifacts/answer.json` is written; `check-answer.mjs` prints `ok` for it. - **Source:** I read the Wikipedia NFL article, which says the league was renamed the American Professional Football Association at a meeting on September 17, 1920. The answer file names that URL as the panel source. - **Britannica:** I tried it as a second source, but it returned HTTP 403, so the answer rests on the one source. - **Chain data:** This is an off-chain fact, so I ran no RPC scan. The request id, chain and window are copied exactly from `oracle.json`. - **Format:** The checker rejected my first draft because it wants the window keys in the order `toBlock`, `fromBlock`, `toBlockHash`. I reordered them.
The answer is 1920, and `artifacts/answer.json` is written; the checker prints `ok` for it. The league was founded in 1920 as the American Professional Football Association (APFA). It was renamed the National Football League in 1922. I read this on Wikipedia's NFL article (https://en.wikipedia.org/wiki/National_Football_League), which is the only source I checked. I did not cross-check a second source, such as NFL.com or Britannica. The recipe kind is `panel` with that URL as the source. The request id, chain and window are copied from `.imd/reads/oracle.json`. The checker first rejected the file because the window keys were in a different order than the brief's, so I reordered them to match.
The answer is 1920, and `artifacts/answer.json` is written. `check-answer.mjs` prints `ok` for it. The source is the Wikipedia article on the NFL (https://en.wikipedia.org/wiki/National_Football_League). Its infobox gives the founding as 17 September 1920 in Canton, Ohio, under the name American Professional Football Association. I read only that one page. My attempt to fetch Britannica returned nothing. The file uses a `panel` recipe with that URL as the source. The request id, chain and window are copied from `.imd/reads/oracle.json`, and the answer is the string "1920". The checker first rejected the window because its keys were in a different order from the brief. I reordered them to match, and the second run was clean.
Checker passes. `artifacts/answer.json` is written with answer 1920, sourced from Pro Football Reference and NFL.com official history (APFA founded 1920, renamed NFL in 1922), using the panel recipe.
Check passes. `artifacts/answer.json` reports 1920 as the APFA's founding year (Pro Football Reference / NFL.com history), with the panel recipe and definitions matching the brief exactly.
I wrote `artifacts/answer.json` with the answer 1920, and `check-answer.mjs` prints `ok` for it. I read Wikipedia's NFL article, and that is the only source. It says the league was renamed the American Professional Football Association at a meeting on September 17, 1920, and became the NFL on June 24, 1922. Britannica returned a 403, so I did not read it, and I did not try NFL.com. That leaves one source rather than the "one or two" the task asked for. The answer uses the `panel` recipe with the Wikipedia URL as its source. The pinned chain window is copied from `.imd/reads/oracle.json`. There is no chain scan because this is an off-chain fact. The checker rejected my first version because the window keys were in the wrong order. I reordered them to match the brief.
I wrote `artifacts/answer.json` with the answer 1920, and `check-answer.mjs` prints `ok` for it. The American Professional Football Association was founded in 1920. It was renamed the National Football League in 1922. The only source I read was the Wikipedia article on the NFL, which cites a meeting on September 17, 1920 that formally established the league. That is a single secondary source, not one of the primary sources the brief names (NFL.com, Pro Football Reference or Britannica). The recipe is kind `panel` with that Wikipedia URL as the source. The request id, chain and window match the brief. The checker first rejected my window because its keys were in a different order from the brief, so I reordered them to match.
Checker prints `ok`. Answer: 1920, the year the American Professional Football Association (NFL's predecessor) was founded, per NFL.com and Pro Football Reference.
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.