{"id": "c1258", "title": "C1258 — Verify the full placement field against its literal source", "filename": "C1258.md", "role": "Research action", "step": 1258, "sha256": "580d7d8b2b8c9df774e22388871f3eb3f2cc4eb522e0ce34f8ed3923e2f73c70", "bytes": 1211, "origins": ["C480–C1634/Research_Cycles/C1132_C1431_Recovered/journal.json#C1258"], "download": "/sources/580d7d8b2b8c9df774e22388871f3eb3f2cc4eb522e0ce34f8ed3923e2f73c70.md", "format": "md", "derived": true, "tags": ["Regular"], "excerpt": "Do all eight source rows support the generated offsets with nodeclasses retained?", "content": "# C1258 — Verify the full placement field against its literal source\n\n## Question\n\nDo all eight source rows support the generated offsets with nodeclasses retained?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C1256\",\n  \"File07 §2.11.1a\",\n  \"prep/regular_kernel_source_cost.json\"\n]\n```\n\n## Opened utc\n\n2026-09-28T05:46:41.681559+00:00\n\n## Results\n\n```json\n{\n  \"literal_states\": {\n    \"path\": \"model/regular_kernel_literal_eight_states.json\",\n    \"sha256\": \"656a663efb970ffb4164c7877345e18c2a2afc2b2165334b615c4db8906560eb\",\n    \"bytes\": 2918\n  },\n  \"states\": 8\n}\n```\n\n## Finding\n\nAll eight states are explicitly present in the source with distinctYear6 andcompletion labels. The405 geometry is a reconstruction of thatcompletefinitefield, not an extrapolation from twoendpoints.\n\n## Reassessment\n\nSolve the exact conditions connecting thisplacementfield to the row-generatedheadgaps.\n\n## Checks\n\n```json\n{\n  \"eightbindings\": true,\n  \"offsets\": true,\n  \"phase2\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T05:46:41.685083+00:00\n\n## Record provenance\n\nExact record hash: `1ec561163270dd28520393c528af658364b0f17805c122359487ffd1756c76d6`\n\nSource journal: `Research_Cycles/C1132_C1431_Recovered/journal.json`", "journalDownload": "/sources/6adb632ce171623c2bce60d7ed58ae319ccb379cf76b751c0a477c1742fd348c.json", "evidenceLinks": [{"id": "d-656a663efb970ffb", "title": "model/regular_kernel_literal_eight_states.json"}, {"id": "d-95050da2bd7b5e7b", "title": "prep/regular_kernel_source_cost.json"}, {"id": "d-1aa4e02dd346c8e0", "title": "File 07"}]}