{"id": "c835", "title": "C835 — Recover both complete Tishri margins", "filename": "C835.md", "role": "Research action", "step": 835, "sha256": "0e6a06ded88049611d852e8cf255c7470db7c1b2204c3ea4ce2aa7801967cd3d", "bytes": 1230, "origins": ["C480–C1634/Research_Cycles/C0832_C0931/journal.json#C835"], "download": "/sources/0e6a06ded88049611d852e8cf255c7470db7c1b2204c3ea4ce2aa7801967cd3d.md", "format": "md", "derived": true, "tags": [], "excerpt": "Do event-category and species totals measure the same frozen count matrix?", "content": "# C835 — Recover both complete Tishri margins\n\n## Question\n\nDo event-category and species totals measure the same frozen count matrix?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"File58 §3.1 literal category table\"\n]\n```\n\n## Opened utc\n\n2026-09-28T02:30:37.883480+00:00\n\n## Results\n\n```json\n{\n  \"matrix\": {\n    \"path\": \"model/Tishri_count_matrix.json\",\n    \"sha256\": \"ccbb58ccd547dbe8e826eba227e09d3454451f998f4531f34677c06ee73375c2\",\n    \"bytes\": 665\n  },\n  \"category_totals\": [\n    44,\n    6,\n    11,\n    10,\n    10,\n    189,\n    10\n  ],\n  \"species_totals\": [\n    75,\n    18,\n    176,\n    11\n  ],\n  \"grand_total\": 280\n}\n```\n\n## Finding\n\nThe two280 totals are different marginals of one seven-by-four matrix. Their agreement is forced by the shared ledger, while the chosen categories and entries remain source inputs.\n\n## Reassessment\n\nDetermine what the margins preserve and what they cannot recover.\n\n## Checks\n\n```json\n{\n  \"literal_rows\": true,\n  \"literal_cols\": true,\n  \"same_total\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T02:30:37.883893+00:00\n\n## Record provenance\n\nExact record hash: `cf22a9df38489dd56e3686760ed88c5456a6c97a5144158dca5f47f8f489b42c`\n\nSource journal: `Research_Cycles/C0832_C0931/journal.json`", "journalDownload": "/sources/6a37be4e218f9f467cbde5e9db3723ce9c79dc78cc97d1a289422b96cb9971e0.json", "evidenceLinks": [{"id": "d-ccbb58ccd547dbe8", "title": "model/Tishri_count_matrix.json"}, {"id": "d-924db415dff003d2", "title": "File 58"}]}