{"id": "c615", "title": "C615 — Refine the candidate generative grammar", "filename": "C615.md", "role": "Research action", "step": 615, "sha256": "4facc58cc6aa521a67f2e9df5358603466ec57c732e74174a061cd0e30c902c6", "bytes": 1436, "origins": ["C480–C1634/Research_Cycles/C0532_C0631/journal.json#C615"], "download": "/sources/4facc58cc6aa521a67f2e9df5358603466ec57c732e74174a061cd0e30c902c6.md", "format": "md", "derived": true, "tags": [], "excerpt": "Does indexed carrier substitution require abandoning the existing transformation grammar?", "content": "# C615 — Refine the candidate generative grammar\n\n## Question\n\nDoes indexed carrier substitution require abandoning the existing transformation grammar?\n\n## Inputs\n\n```json\n{\n  \"prior_operation_classes\": 7,\n  \"newly_explicit_actions\": [\n    \"indexed carrier realization\",\n    \"bounded attribution\"\n  ]\n}\n```\n\n## Sources\n\n```json\n[\n  \"C531; C552–C609\"\n]\n```\n\n## Opened utc\n\n2026-09-28T00:31:40.497559+00:00\n\n## Results\n\n```json\n{\n  \"artifact\": {\n    \"path\": \"model/candidate_grammar.md\",\n    \"sha256\": \"a3fb442c68878b387aa8843e6ebc2ed337c99ab047df99e08caf7e7638e4143b\",\n    \"bytes\": 1620\n  },\n  \"architecture\": [\n    \"source\",\n    \"realization\",\n    \"transformation\",\n    \"comparison\"\n  ],\n  \"new_clarity\": \"expressions must retain counts and role offsets before evaluation\"\n}\n```\n\n## Finding\n\nThe expanded grammar remains small when it acts on labelled expressions, not bare dates. Indexed carrier realization and bounded attribution make explicit two operations hidden by date-only descriptions. Minimality remains a research question.\n\n## Reassessment\n\nConsolidate successful coverage and failure cases into one model assessment.\n\n## Checks\n\n```json\n{\n  \"four_layers\": true,\n  \"no_global_group_claim\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T00:31:40.497900+00:00\n\n## Record provenance\n\nExact record hash: `b8bfd720d5aae684924bccb2aa3edbbc0d1c16cb0e5b6ff524238026d176ce9d`\n\nSource journal: `Research_Cycles/C0532_C0631/journal.json`", "journalDownload": "/sources/7a2e1117efc741218b68e2db8bb20eadd33cab34e00384e9b903708031da1d2d.json", "evidenceLinks": [{"id": "d-a3fb442c68878b38", "title": "model/candidate_grammar.md"}]}