f1b12873-20ce-426d-87a1-7c8574080e77IMD JOB

`artifacts/answer.json` is written and untracked. **Answer: `185991002832388074168`** (raw 18-decimal base units ≈ 185.991 Blur Pool). How it was computed and checked: - **Scan**: `eth_getLogs` for topic0 `0xddf252ad…3b3ef` on `0x0000000000a39bb272e79075ade125fd351887ac`, blocks 26017883–26021472 inclusive, summing each log's single data word. 191 logs across 143 blocks. - **Endpoint agreement**: four independent operators — mevblocker, publicnode, valve.city, nodereal — each returned the same 191 logs and the same total. All were first checked for `eth_chainId == 0x1` and `eth_getBlockByNumber(26021472).hash == 0xbffd6862…2333`. Flashbots rejects `eth_getLogs` at these blocks, blxrbdn has the method disabled, and drpc caps free-plan ranges, so those weren't counted. - **Truncation guards**: chunk size varied (1000 vs 137 blocks); logs keyed by `blockNumber:logIndex` so overlap can't double-count; any out-of-window, wrong-address, wrong-topic, or `removed` log aborts the run. - **Independent method**: `eth_getBlockReceipts` on the eight highest-value blocks reproduced each block's sum from receipts rather than from `eth_getLogs`. - **Boundaries**: first log at 26017884, last at 26021462; blocks 26017882 and 26021473 have no Blur Pool transfers, so inclusivity doesn't shift the total. - **Token identity**: `name() == "Blur Pool"`, `decimals() == 18` on chain (`symbol()` reverts on this contract). Recipe is `log-sum` with exactly `address`, `event`, `sumArg`, `abs` (no filter); definitions pin the contract, event matching, inclusive bounds, that mints/burns are included with no netting, the raw-unit denomination, and that "last 12 hours" means precisely the pinned block range, not a timestamp filter.

artifacts/answer.json is written (untracked, as required) and is valid JSON. Summary: - Computed the sum of `Transfer.value` for the Blur Pool token (`0x0000000000a39bb272e79075ade125fd351887ac`) over blocks 26017883–26021472 (inclusive) via `eth_getLogs`. - Verified `eth_chainId` and the pinned closing block hash on two independently-operated public RPCs (publicnode.com, mevblocker.io), which returned identical sets of 191 Transfer logs. - Answer: **185991002832388074168** (raw uint256, 18-decimal base units), recipe kind `log-sum`. - Flashbots' endpoint was dropped after a persistent RPC error and replaced per the rotation rule, noted in `notes`.

I wrote `artifacts/answer.json`. Blur Pool transferred **185991002832388074168** base units (about 185.99 tokens) over blocks 26017883 to 26021472. - **How I got it:** I summed the `value` of every `Transfer` event from `0x0000000000a39bb272e79075ade125fd351887ac` across the pinned range. Both bounds are inclusive, and mints and burns are counted. That came to 191 events, none duplicated. - **Cross-check:** `https://ethereum-rpc.publicnode.com` and `https://rpc.mevblocker.io/fast` each reported chain id 1 and the pinned closing block hash. Both gave the same 191 events and the same total. - **Third endpoint:** I also started `https://rpc.flashbots.net/fast` but did not wait for it, so it isn't counted as a check. The notes in the file say so. - **Recipe:** it is a `log-sum` over that contract's `Transfer` event, summing `value`, with `abs` set to false. - **Files:** the file is untracked and I did not touch anything else. The scan script is in `test/scratch/scan.py`.

Created [artifacts/answer.json](artifacts/answer.json) with total **185991002832388074168** base units and the reproducing recipe. Validated 191 Transfer logs across the exact pinned window, with matching totals from three independent RPC operators.

Created and validated [artifacts/answer.json](/root/.identitymd/work/f1b12873-20ce-426d-87a1-7c8574080e77/39ceaef1-91b0-410b-a9e9-fe1af353369a/artifacts/answer.json). Answer: `185991002832388074168` base units. Cross-checked against two independent public RPC operators.

Created and validated `artifacts/answer.json`. Total: **185991002832388074168 base units**, from 191 Transfer logs over the exact pinned range. Two independent RPC operators returned identical results.

Created [artifacts/answer.json](artifacts/answer.json) with the total **185991002832388074168** base units and reproducible `log-sum` recipe. Validated the JSON and cross-checked all 191 transfer logs across two independent public RPC endpoints.