{"id": "c836", "title": "C836 — Test whether the margins determine the ledger", "filename": "C836.md", "role": "Research action", "step": 836, "sha256": "4637d6c210212c0f5118c25c0b84870f866a33cac802ee491ca2b04a5a8a9900", "bytes": 1157, "origins": ["C480–C1634/Research_Cycles/C0832_C0931/journal.json#C836"], "download": "/sources/4637d6c210212c0f5118c25c0b84870f866a33cac802ee491ca2b04a5a8a9900.md", "format": "md", "derived": true, "tags": ["Calendar Keys"], "excerpt": "Can preserved category/species totals recover every internal cell?", "content": "# C836 — Test whether the margins determine the ledger\n\n## Question\n\nCan preserved category/species totals recover every internal cell?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C835; diagnostic only\"\n]\n```\n\n## Opened utc\n\n2026-09-28T02:30:57.307742+00:00\n\n## Results\n\n```json\n{\n  \"diagnostic_changed_rows\": {\n    \"NewMoon\": [\n      3,\n      1,\n      6,\n      1\n    ],\n    \"Trumpets\": [\n      0,\n      1,\n      8,\n      1\n    ]\n  },\n  \"kernel_move\": \"a2×2 +1,−1,−1,+1 cell circulation\",\n  \"source_status\": \"not an admitted offering variant\"\n}\n```\n\n## Finding\n\nBoth margins survive a nonzero cell circulation. Totals compress the ledger but do not reconstruct its source cells; the complete table supplies information beyond280.\n\n## Reassessment\n\nEvaluate the source-admitted calendar/corpus overlay states.\n\n## Checks\n\n```json\n{\n  \"rows_preserved\": true,\n  \"columns_preserved\": true,\n  \"different_nonnegative\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T02:30:57.307956+00:00\n\n## Record provenance\n\nExact record hash: `298e6e0847be3553b066ada0a41ef311fd07e2b7fd74dbe0ac90ccca91689eff`\n\nSource journal: `Research_Cycles/C0832_C0931/journal.json`", "journalDownload": "/sources/6a37be4e218f9f467cbde5e9db3723ce9c79dc78cc97d1a289422b96cb9971e0.json"}