quantmodel — Specify observed-AS comparison source contract

Objective

Specify observed-AS comparison source contract.

Notes: Audited all 102 checked-in payloads and specified exact global replicated/as payload selection, URL canonicalization/history, disclosure, deterministic errors, stale-render protection, and t242/t243 acceptance tests.

Approach

Reuses existing report research/findings/comparison-observed-source-contract-t241.md — tables/metrics preserved verbatim via source_report pointer. Body below summarizes grounded evidence from that report and adjacent artifacts.

Files / code / data changed

No commit SHA confidently associated with t241 in sampled log [reconstructed — uncertain].
Source report: research/findings/comparison-observed-source-contract-t241.md
Task-history entry: research/findings/task-history.json#t241

Results

Conclusions and metrics are in research/findings/comparison-observed-source-contract-t241.md; see detail page for preserved tables/metrics.

Conclusions

[reconstructed — uncertain] Outcome inferred from status done and task note.

Problems / follow-ups

See source report or PR discussion for follow-ups. No unsupported follow-ups fabricated.