readback-evidence.md

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2111 bytes, as of the version from 2026-11-09 12:01 (current). Recorded here, not run.

# Readback and final audit for T689

All 100 stored integers were compared with the independent second-period
calculation, and all 100 multiple-cover relations were compared with the live
T688 rational values. `Generator.verify(sample=None)` reported:

    <VerifyReport T689: 100/100 matched, 0 differing, 0 missing, 0 extra>

The full document read back matched the submitted document. Twelve attached
files were downloaded again and matched their local SHA-256 hashes and bytes;
`attachment-verification.json` records those checks. All seven HREF targets
resolved through `numberdb.table` and returned their expected mathematical
families (`link-verification.json`). The sibling T688 is offered for review,
not yet published; T689 remains in progress. The other six companions are
published. This build changed none of them.

The initial audit requested the installation command in the generator docstring
and moving the definition's companion link into Comments. Both corrections
were applied. The executable AST of the generator is unchanged; only its
opening documentation changed. No selected arguments or numerical values were
changed. The final authenticated API audit returned `findings: []`, `clean: true`.

The final generator SHA-256 is
`562caaa3890795e22cb509c7e78f487b50e394db7248e907fea6031c552f9344`.
The builder's read-only fingerprint is recorded in `selection-fingerprint.json`.
The independent critic must obtain its own fresh fingerprint, assess both
parameters, and bind its own sidecar to `generate.py` and its own run ID.
No independent-review acceptance or sidecar was created by this build.

The governing skill manifest is
`agents/runs/20261109T113247Z-build-skills/manifest.json`, attached as
`skill-manifest.json`; both archived skills have SHA-256
`886390324dd1971e381a43cf3b46b822ab0bc67d62f31d8481e29ec79556746b`.

The status API calls this draft `in_progress`. An initial readback harness
asserted the literal word `draft`; that assertion was corrected to the API's
actual status. It was not a publication or offering failure. The API reports
an unreviewed draft, as required.