{"id": "c511", "title": "C511 — The rounded macro529 endpoint realization", "filename": "C511.md", "role": "Research action", "step": 511, "sha256": "55d9d943a8b9e6d313dbf032a079980639c1192a0562bc2dc01bc9fbf03a35de", "bytes": 1354, "origins": ["C480–C1634/Research_Cycles/C0482_C0531/journal.json#C511"], "download": "/sources/55d9d943a8b9e6d313dbf032a079980639c1192a0562bc2dc01bc9fbf03a35de.md", "format": "md", "derived": true, "tags": ["Rounded", "Mirror / 529"], "excerpt": "Does the reflected12026 anchor complete the macro ladder with the declared rounded coordinates?", "content": "# C511 — The rounded macro529 endpoint realization\n\n## Question\n\nDoes the reflected12026 anchor complete the macro ladder with the declared rounded coordinates?\n\n## Inputs\n\n```json\n{\n  \"anchor_AD\": 12026,\n  \"starting_AD\": 1446,\n  \"widths\": [\n    10580,\n    11500,\n    12500\n  ]\n}\n```\n\n## Sources\n\n```json\n[\n  \"File52c §§3.8–3.9\",\n  \"C505,C510\"\n]\n```\n\n## Opened utc\n\n2026-09-27T22:47:17.937880+00:00\n\n## Results\n\n```json\n{\n  \"anchor_q\": 12025,\n  \"outputs_q\": [\n    1445,\n    525,\n    -475\n  ],\n  \"display\": [\n    \"AD 1446\",\n    \"AD 526\",\n    \"476 BC\"\n  ],\n  \"successive_widths\": [\n    10580,\n    11500,\n    12500\n  ],\n  \"civil_first_width_if_substituted\": 10580\n}\n```\n\n## Finding\n\nThe supplied rounded Mirror ladder is AD1446→AD526→476BC, with AD12026 held. This is a licensed endpoint realization of the tenfold duration ladder. The last crossing uses the rounded convention; a civil substitution would produce a different final display.\n\n## Reassessment\n\nUse the14726 anchor-change law to reconstruct the complete ten-member family rather than selected coincidences.\n\n## Checks\n\n```json\n{\n  \"q\": true,\n  \"display\": true\n}\n```\n\n## Closed utc\n\n2026-09-27T22:47:17.938250+00:00\n\n## Record provenance\n\nExact record hash: `90a6147867667b81c0711d85992790a0c29930b773c2b66483344821eaa865a6`\n\nSource journal: `Research_Cycles/C0482_C0531/journal.json`", "journalDownload": "/sources/6eaeccad4734eff2f6ac20ba847967877b944f9758c53c712ac8b5be2ddf61eb.json", "evidenceLinks": [{"id": "file52c", "title": "File 52c"}]}