{"id": "c980", "title": "C980 — Counts before rounded date labels", "filename": "C980.md", "role": "Research action", "step": 980, "sha256": "55c61ce0e1ad280cce82ff571cee0789519447e4f40e3fc61233c2c92fdc8237", "bytes": 1061, "origins": ["C480–C1634/Research_Cycles/C0932_C1131/journal.json#C980"], "download": "/sources/55c61ce0e1ad280cce82ff571cee0789519447e4f40e3fc61233c2c92fdc8237.md", "format": "md", "derived": true, "tags": ["Rounded"], "excerpt": "What fails if the capacity is formed from independently rounded dates?", "content": "# C980 — Counts before rounded date labels\n\n## Question\n\nWhat fails if the capacity is formed from independently rounded dates?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C954\",\n  \"C955\",\n  \"C978\"\n]\n```\n\n## Opened utc\n\n2026-09-28T03:51:27.783973+00:00\n\n## Results\n\n```json\n{\n  \"count_first\": [\n    845,\n    720,\n    655\n  ],\n  \"date_labels_first\": [\n    846,\n    716,\n    651\n  ],\n  \"status\": \"diagnostic operation comparison; not a canonical Rounded date table\"\n}\n```\n\n## Finding\n\nRounding counts gives845/720/655; rounding the two date labels first gives846/716/651. Resolving the interval and counting convention before rounding is essential.\n\n## Reassessment\n\nTrace the known SP residual through the cap’s changed rows.\n\n## Checks\n\n```json\n{\n  \"count_values\": true,\n  \"date_values\": true,\n  \"different_operations\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T03:51:27.784265+00:00\n\n## Record provenance\n\nExact record hash: `510acbd71e927cf68a3ad29db304ad37070d33a3e4fe6488e329e455f919521c`\n\nSource journal: `Research_Cycles/C0932_C1131/journal.json`", "journalDownload": "/sources/f6bdc7aaaaa4fd40f1151b367204ddee7f0f9b77a9c43ae8764831b52d862670.json"}