docs(retro): pin METHOD V2 → fixed D2 source-reference companion

docs/retro/GB-8w.method-v2-d2.source-link.json

@@ -0,0 +1,114 @@
+{
+  "schema": "retro-cross-packet-source-reference/proposal-v1",
+  "record_kind": "bounded machine-readable companion to an already-landed retrospective GB-8w appendix (NOT a graph edge or binding register)",
+  "status": "NOT A RESULT; source reference only; credit 0; scientific effect NONE; OBL OPEN",
+  "source_cut": {
+    "repository": "d6g8k5htny-coder/Math-",
+    "commit": "9f3fb6918b28e6378c034ebc19e76d432f5391cb"
+  },
+  "relation": {
+    "subject_packet": "frontiers/finite_l_d2_coefficient_20261018",
+    "predicate": "references_METHOD_V2_for_specialized_original_physical_C_alg_2_24",
+    "object_packet": "frontiers/full_spectrum_enclosure_method_20261018",
+    "semantic_ceiling": "SOURCE_DECLARED_REFERENCE_ONLY",
+    "declared_by": {
+      "path": "frontiers/finite_l_d2_coefficient_20261018/SOURCE_MAP.json",
+      "git_blob_sha1": "dd39cc67a528480f5e5097342bde6f55f21a02c0",
+      "method_field": "sources.method_v2",
+      "method_sha256": "8bdea4b42e9efd2d846cd1aa73691e8194fa26cd937ac02b79991334f88204f6",
+      "method_object_fields": [
+        "method.bytes",
+        "method.sha256"
+      ],
+      "method_bytes": 32593,
+      "original_field": "sources.original",
+      "original_native_extract_sha256": "f38c085ab5b15368e6989a1fd6298490f3b671f5a6c3a01bcdc81b516022bc33",
+      "note": "sources.original identifies the earlier native original extract, NOT the d2 package PROOF.md blob"
+    },
+    "method_source": {
+      "map_path": "frontiers/full_spectrum_enclosure_method_20261018/SOURCE_MAP.json",
+      "map_git_blob_sha1": "20066d384230d9c95ac39e1946af7a5cd3d11255",
+      "proof_path": "frontiers/full_spectrum_enclosure_method_20261018/PROOF.md",
+      "proof_git_blob_sha1": "74746107f9ed006bbe03b0f609e23db005b260ce",
+      "proof_bytes": 32593,
+      "proof_sha256": "8bdea4b42e9efd2d846cd1aa73691e8194fa26cd937ac02b79991334f88204f6",
+      "packet_local_executable_found": false
+    },
+    "specialized_d2_source": {
+      "proof_path": "frontiers/finite_l_d2_coefficient_20261018/PROOF.md",
+      "proof_git_blob_sha1": "790b99815f05440e8b47d50fb794b1f50edc9bfb",
+      "scope": "one fixed d=2, L=24 original full-spectrum collision algebraic coefficient; constant/zero mode and full normalizer retained",
+      "program_carriers": [
+        {
+          "path": "frontiers/finite_l_d2_coefficient_20261018/coefficient.py",
+          "git_blob_sha1": "9e0d8b5cf8271285c9a32afc96e055ad4dd4c2be",
+          "documented_role": "specialized C_alg(2,24) coefficient producer"
+        },
+        {
+          "path": "frontiers/finite_l_d2_coefficient_20261018/verify_coefficient.py",
+          "git_blob_sha1": "49f3b805f4a92e11156be5afa9a6f7ea0fb91b25",
+          "documented_role": "separate specialized coefficient witness checker"
+        },
+        {
+          "path": "frontiers/finite_l_d2_coefficient_20261018/moment_kernel.py",
+          "git_blob_sha1": "145921d6b24e5e8e76dbe6c19372cec13020c6ef",
+          "documented_role": "reused moment/exponential witness producer"
+        },
+        {
+          "path": "frontiers/finite_l_d2_coefficient_20261018/verify_certificate.py",
+          "git_blob_sha1": "e5329fdce27ad3b57c01394714355cc1a3e8d2c0",
+          "documented_role": "reused moment/exponential witness checker"
+        },
+        {
+          "path": "frontiers/finite_l_d2_coefficient_20261018/contract.py",
+          "git_blob_sha1": "acd5926bc87823d4ce3cd1f35bdd07528189fbec",
+          "documented_role": "shared parsing/source-custody/resource contract"
+        },
+        {
+          "path": "frontiers/finite_l_d2_coefficient_20261018/test_coefficient.py",
+          "git_blob_sha1": "12b7df5ab5f28741d3cd4bc5009f96d17ee5220b",
+          "documented_role": "existing package test source (not executed here)"
+        }
+      ],
+      "verification_claim": "static source/identity accounting only; no coefficient, checker, tests or scientific computation executed for this record"
+    }
+  },
+  "existing_retro_architecture": {
+    "human_source_chain": {
+      "repository": "d6g8k5htny-coder/main",
+      "at_commit": "3b39c42d6edcc98ae165270be346f0e31c57f81d",
+      "path": "docs/retro/GB-8w.full-spectrum-specialization-chain.md",
+      "git_blob_sha1": "d2001da9b74606378d8247f47d85edd9489c3daa"
+    },
+    "existing_candidate_lanes": {
+      "method": "GB-8w",
+      "specialized_d2": "GB-8e"
+    },
+    "upstream_inventory": "docs/retro/RETRO-MATH-BIND-01.md",
+    "draft_reconciliation_only": {
+      "pull_request": "https://github.com/d6g8k5htny-coder/main/pull/618",
+      "pinned_inventory_ordinals": {
+        "method": 11,
+        "specialized_d2": 10
+      },
+      "method_packet_local_implementation_class": "no_implementation_found",
+      "specialized_d2_packet_local_implementation_class": "local_code_language_reference",
+      "draft_pr_not_a_landed_dependency": true,
+      "no_change_to_pr_618_data_or_counts": true
+    }
+  },
+  "nonclaims": {
+    "generic_method_v2_implementation": false,
+    "scientific_proof_to_code_equivalence": false,
+    "general_d_or_L_certificate": false,
+    "method_M31_finite_lifetime_window_or_remainder": false,
+    "ordinary_H0_barcode_intensity_identification": false,
+    "graph_node_or_typed_edge_created": false,
+    "v2_binding_created": false,
+    "mathematical_status_or_acceptance_changed": false,
+    "implementation_runs_performed_for_this_record": false,
+    "independent_mathematical_review_performed": false
+  },
+  "review_boundary": "Require a separate nonauthor engineering identity/structure review for this record; any proposed scientific applicability, proof-to-code equivalence, typed graph relationship or acceptance requires the separately qualified scientific process. This JSON is not such a proposal.",
+  "attribution": "OpenAI / ChatGPT GPT-6 (delegated engineering source-accounting author, 2026-10-25); source/history exposed; organizational and blind independence credit 0."
+}