{"id": "c521", "title": "C521 — Civil links from the actual field", "filename": "C521.md", "role": "Research action", "step": 521, "sha256": "d49718193e6129638165317df314e13629c6f690f747af0fef7cfd7c0fc9d8bb", "bytes": 1279, "origins": ["C480–C1634/Research_Cycles/C0482_C0531/journal.json#C521"], "download": "/sources/d49718193e6129638165317df314e13629c6f690f747af0fef7cfd7c0fc9d8bb.md", "format": "md", "derived": true, "tags": ["Rounded", "Mirror / 529"], "excerpt": "How do the AD25 comparisons connect to the actual generated field without borrowing rounded counts?", "content": "# C521 — Civil links from the actual field\n\n## Question\n\nHow do the AD25 comparisons connect to the actual generated field without borrowing rounded counts?\n\n## Inputs\n\n```json\n{\n  \"generated_Noah_BC\": 2276,\n  \"generated_Flood_BC\": 2426,\n  \"Exodus_BC\": 1446,\n  \"external_AD\": 25\n}\n```\n\n## Sources\n\n```json\n[\n  \"File52c §3.15.5\"\n]\n```\n\n## Opened utc\n\n2026-09-27T22:50:58.622911+00:00\n\n## Results\n\n```json\n{\n  \"Noah_to_AD25_civil\": 2300,\n  \"Flood_to_AD25_civil\": 2450,\n  \"Flood_Exodus_AD25_parts\": [\n    980,\n    1470\n  ],\n  \"rounded_countercounts\": [\n    2299,\n    2449\n  ]\n}\n```\n\n## Finding\n\nThe source’s2300 and2450 use civil BC+AD−1. The980+1470 decomposition follows from the same three dates. These are valid links to an external AD25 comparison, but they do not license changing the rounded Mirror metric used by the526/476 family.\n\n## Reassessment\n\nCompress the actual12026 field into a parameter basis and identify its genuinely separate placement assumptions.\n\n## Checks\n\n```json\n{\n  \"civil\": true,\n  \"partition\": true,\n  \"difference\": true\n}\n```\n\n## Closed utc\n\n2026-09-27T22:50:58.623124+00:00\n\n## Record provenance\n\nExact record hash: `58365b16c4baec77dadd1dcea698fcbe910064f309774708a92d1ad86f056ce1`\n\nSource journal: `Research_Cycles/C0482_C0531/journal.json`", "journalDownload": "/sources/6eaeccad4734eff2f6ac20ba847967877b944f9758c53c712ac8b5be2ddf61eb.json", "evidenceLinks": [{"id": "file52c", "title": "File 52c"}]}