evidence: retain three-case POST-G startup counterfactual

validation-evidence/2026-10-19/postg-70c83b7/TRANSPORT_MANIFEST.json

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+{
+  "archive": "CelerisLab_postg_70c83b7_20261019.zip",
+  "bytes": 575798,
+  "sha256": "0e18ae96a1f3e87f0482385b8c683d9e8a349de39c4155dd7bcedc1686200cf6",
+  "candidate": "70c83b7233888cb7287c8d1905563590c9e72ef4",
+  "production": "a135252ae78b47b57d7e77d19001700b3bedac8b",
+  "source_branch": "tron/shear-probe-guards-caa573f",
+  "diagnostic": "postg_shear_n128",
+  "initialization_id": "postg_first_gradient_v1",
+  "qualification_eligible": false,
+  "initializer_sha256": "9c909fa013c092490ee21532e3125b2a78a4c5102c7a1bdc0e76986d3f0ef903",
+  "probe_module_sha256": "e2e6490d281cc275f448dc6d6ea7b9b4407cc74a51e9256b86c08c8626b89b76",
+  "all_trace_complete": true,
+  "total_trace_rows": 774,
+  "independently_verified_before_cleanup": true,
+  "matrix_assessor_run": false,
+  "route": "Existing authorized Gitea validation evidence branch",
+  "payload_scope": "Complete scientific ZIP, transport README and manifest only"
+}

validation-evidence/2026-10-19/postg-70c83b7/TRANSPORT_README.txt

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+POST-G startup counterfactual: exact 70c83b7233888cb7287c8d1905563590c9e72ef4; production a135252ae78b47b57d7e77d19001700b3bedac8b and equilibrium oracle unchanged.
+76 host tests and three exact dry runs pass; three fresh serial cases, no matrix assessor.
+postg_shear_n128; initialization_id=postg_first_gradient_v1; qualification_eligible=false.
+All traces complete: True; total trace rows: 774.
+15 main rows, 24 probes, five source/config/PTX sidecars independently verified before cleanup.
+Equilibrium source1f64f7e cases are historical controls; per-time metrics compared without scalar-equality assertions.
+Finite projected scalar failure retained. Startup compatibility diagnostic only, not a production fix or long-time qualification.
+No extra cases, tuning, reruns, snapshots, field dumps or checkpoints. Fine substeps unresolved.
+Archive SHA256: 0e18ae96a1f3e87f0482385b8c683d9e8a349de39c4155dd7bcedc1686200cf6
+Only intended scientific files; no task history or process listings.