{"id": "c789", "title": "C789 — Specify the shared representation map", "filename": "C789.md", "role": "Research action", "step": 789, "sha256": "017ba7af93e73ca7d9879f73210a021c81e3446ec2e0f380191e9e0bc73689b3", "bytes": 1123, "origins": ["C480–C1634/Research_Cycles/C0732_C0831/journal.json#C789"], "download": "/sources/017ba7af93e73ca7d9879f73210a021c81e3446ec2e0f380191e9e0bc73689b3.md", "format": "md", "derived": true, "tags": ["Rounded"], "excerpt": "Which information is retained and lost in each chronological view?", "content": "# C789 — Specify the shared representation map\n\n## Question\n\nWhich information is retained and lost in each chronological view?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C733–788\"\n]\n```\n\n## Opened utc\n\n2026-09-28T02:03:51.573981+00:00\n\n## Results\n\n```json\n{\n  \"representations\": {\n    \"path\": \"model/representation_map.json\",\n    \"sha256\": \"8eb698f7338398ef742ed093e5f8353af30929952d84b8a6d2eb2e928e4d3e23\",\n    \"bytes\": 705\n  },\n  \"recovery_requirement\": \"source type + path + anchor + residuals for rounded reconstruction\"\n}\n```\n\n## Finding\n\nThese families are related representations of structured source data. Their differences are explained by selectors and retained information; a universal date-to-date map is unnecessary and unsupported.\n\n## Reassessment\n\nRecord independent review qualifications and prepare the BJ transfer.\n\n## Checks\n\n```json\n{\n  \"distinct_selectors\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T02:03:51.574635+00:00\n\n## Record provenance\n\nExact record hash: `a450bbeb2a30de5780099816a12152c52cfa33ce09bf96bc24d1c9d43e13768e`\n\nSource journal: `Research_Cycles/C0732_C0831/journal.json`", "journalDownload": "/sources/8ea2b882289fbcea5cf11177923617f0c1d1ad7e6eaa3bffb174c6f89699d97d.json", "evidenceLinks": [{"id": "d-8eb698f7338398ef", "title": "model/representation_map.json"}]}