{"id": "c878", "title": "C878 — Transform the complete File46 head field", "filename": "C878.md", "role": "Research action", "step": 878, "sha256": "97ddfe6e13989ad4fa2ada0246749d8fb731b349b89df03ae6f9843b315e324c", "bytes": 1725, "origins": ["C480–C1634/Research_Cycles/C0832_C0931/journal.json#C878"], "download": "/sources/97ddfe6e13989ad4fa2ada0246749d8fb731b349b89df03ae6f9843b315e324c.md", "format": "md", "derived": true, "tags": [], "excerpt": "Does the integral outer completion imply integral internal heads?", "content": "# C878 — Transform the complete File46 head field\n\n## Question\n\nDoes the integral outer completion imply integral internal heads?\n\n## Inputs\n\n```json\n{\n  \"anchor_BC\": 14006\n}\n```\n\n## Sources\n\n```json\n[\n  \"File46 §6A.5\"\n]\n```\n\n## Opened utc\n\n2026-09-28T02:47:51.629093+00:00\n\n## Results\n\n```json\n{\n  \"head_field\": {\n    \"path\": \"model/File46_full_head_image.json\",\n    \"sha256\": \"8cba8fea255e7d925916785e2833f4e080f1d4c067198eace368b3e8951492a2\",\n    \"bytes\": 573\n  },\n  \"rows\": [\n    {\n      \"head\": 14926,\n      \"radius\": 920,\n      \"E_radius\": 1000,\n      \"image\": 15006,\n      \"integral\": true\n    },\n    {\n      \"head\": 14896,\n      \"radius\": 890,\n      \"E_radius\": \"22250/23\",\n      \"image\": \"344388/23\",\n      \"integral\": false\n    },\n    {\n      \"head\": 14466,\n      \"radius\": 460,\n      \"E_radius\": 500,\n      \"image\": 14506,\n      \"integral\": true\n    },\n    {\n      \"head\": 14436,\n      \"radius\": 430,\n      \"E_radius\": \"10750/23\",\n      \"image\": \"332888/23\",\n      \"integral\": false\n    },\n    {\n      \"head\": 14006,\n      \"radius\": 0,\n      \"E_radius\": 0,\n      \"image\": 14006,\n      \"integral\": true\n    }\n  ]\n}\n```\n\n## Finding\n\nThe exact whole field exists, but only apparent14926,14466 and anchor14006 map to integer heads at this anchor. The source920→1000 completion does not make the890 and430 radii integral.\n\n## Reassessment\n\nDetermine whether any single integer anchor could repair the full field.\n\n## Checks\n\n```json\n{\n  \"whole_field\": true,\n  \"mixed\": true,\n  \"outer\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T02:47:51.629984+00:00\n\n## Record provenance\n\nExact record hash: `9e49b10ff962c2a09d54ecc0b162dd390a21f4732f069b97658469139e28d65f`\n\nSource journal: `Research_Cycles/C0832_C0931/journal.json`", "journalDownload": "/sources/6a37be4e218f9f467cbde5e9db3723ce9c79dc78cc97d1a289422b96cb9971e0.json", "evidenceLinks": [{"id": "d-8cba8fea255e7d92", "title": "model/File46_full_head_image.json"}, {"id": "d-18e8c54ff1663fb1", "title": "File 46"}]}