Chemistry evidence-watch maintenance review — 9 November 2026

The failed watch on PR #105 reported changed=1 added=0 removed=0. The unchanged canonical-evidence-json-v1 hash detects the canonical Chemistry applicability cache correction already committed at 2333bd7e9a.

Exactly seven applicability.jurisdiction lists change, adding thirteen real goal/jurisdiction visibility pairs. The four existing reopening conditions remain binding: this bounded maintenance review explicitly acknowledges the visibility change. Every addition has existing requires-closure evidence in the actual applicability-writer report; no new source claim or scientific review is inferred.

Goal	Added jurisdictions
17fe22c4-1248-5f37-9d0c-52ee4571d09f	DE-HB
c441d9e8-d9d9-5e55-a189-a37345541321	DE-BW, DE-HB
fcaf8c9b-bd81-552e-9d91-43649895471e	DE-NI
79db6d68-b402-5563-a348-f2784fed8867	DE-BB, DE-BE
7964cb36-e9b1-5176-9426-a82041a5b72f	DE-BB, DE-BE, DE-HB, DE-NI
965ca297-5dbf-5e58-b5f0-6559a4433646	DE-HB, DE-NI
8576b82b-811a-5e13-b5dc-ec5d42030565	DE-NI

This is HB 4, NI 4, BB 2, BE 2 and BW 1. Full before/current JSON comparison confirms all other values unchanged, including authored requires, contains, goal text and source semantics. The actual source-fingerprint function records all 6,524 fingerprints unchanged across the 21 source documents. Mappings, composition views, tasks, images, units and learner mastery are unchanged. This adds zero scientific reviews or completions and starts no new review campaign.

Only baseline updatedAt and canonical Chemistry's hash and file timestamp advance. Its hash moves from 5da87f60f3a8… to 333c35b70529…; the other 159 complete records and all remaining metadata are exact. The 160-path inventory, hash mode, checker, runner, workflow and manifest remain unchanged. The complete prior baseline remains in reachable Git history. The compact technical receipt binds that baseline, the actual cache/source evidence, V7 registry 8e56e88b70e0… and the completed local results.

Existing validation passed: ordinary whole CQR in 1,000.272 seconds and all ten protected maturity floors, the full TypeScript proof suite in 1,509.555 seconds, and 22 Python tests in 492.793 seconds. Their recorded input checks remained unchanged. These results were inspected, not rerun for this observation update; this acknowledgement makes no final V7 or Physics runtime-acceptance claim.

The normal unchanged watch runner first reproduced Exit 1 with only canonical Chemistry changed. After this single-record acknowledgement, it passes locally with Exit 0, changed=0 added=0 removed=0 and CHEMISTRY_EVIDENCE_WATCH=OK; its self-test passes and both generated views are regenerated. Future unacknowledged changes still fail. Fresh remote CI is pending.