{"id": "c986", "title": "C986 — Second calibration compatibility", "filename": "C986.md", "role": "Research action", "step": 986, "sha256": "2a73567c98eadc1cfb88e9194293970ebd18a42643c2f30b006817fd64f3048d", "bytes": 911, "origins": ["C480–C1634/Research_Cycles/C0932_C1131/journal.json#C986"], "download": "/sources/2a73567c98eadc1cfb88e9194293970ebd18a42643c2f30b006817fd64f3048d.md", "format": "md", "derived": true, "tags": ["Calendar Keys"], "excerpt": "Does the336/364 and last-twenty-sixth pair recover the same E?", "content": "# C986 — Second calibration compatibility\n\n## Question\n\nDoes the336/364 and last-twenty-sixth pair recover the same E?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C984\",\n  \"File63 §§7.3–7.4\"\n]\n```\n\n## Opened utc\n\n2026-09-28T03:52:37.184442+00:00\n\n## Results\n\n```json\n{\n  \"solution\": [\n    \"25/23\",\n    \"300/299\"\n  ],\n  \"determinant\": -8372\n}\n```\n\n## Finding\n\nThe second retained pair recovers the same E and J=300/299. The agreement concerns compatibility of calendar and allocation constraints, not a fresh derivation from the partitions alone.\n\n## Reassessment\n\nFind the exact dependency among the four equations.\n\n## Checks\n\n```json\n{\n  \"unique\": true,\n  \"same_E\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T03:52:37.185008+00:00\n\n## Record provenance\n\nExact record hash: `d8a292ad4d07891854d6e0caf09a4a88bb0b7ac50a057f1e5c4f8da98f7e2bf7`\n\nSource journal: `Research_Cycles/C0932_C1131/journal.json`", "journalDownload": "/sources/f6bdc7aaaaa4fd40f1151b367204ddee7f0f9b77a9c43ae8764831b52d862670.json", "evidenceLinks": [{"id": "d-180803601a2db301", "title": "File 63"}]}