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git.stella-ops.org/docs/modules/signals/evidence/README.md
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2025-12-03 00:10:19 +02:00

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Signals DSSE Evidence Staging (runtime/signals gaps)

Artifacts prepared 2025-12-01 (UTC) for DSSE signing and Evidence Locker ingest:

  • Decay config: docs/modules/signals/decay/confidence_decay_config.yaml
  • Unknowns scoring manifest: docs/modules/signals/unknowns/unknowns_scoring_manifest.json
  • Heuristic catalog + schema + fixtures: docs/modules/signals/heuristics/
  • Checksums: docs/modules/signals/SHA256SUMS

Planned Evidence Locker paths (to fill post-signing):

  • evidence-locker/signals/decay/2025-12-01/confidence_decay_config.dsse
  • evidence-locker/signals/unknowns/2025-12-01/unknowns_scoring_manifest.dsse
  • evidence-locker/signals/heuristics/2025-12-01/heuristics_catalog.dsse
  • evidence-locker/signals/heuristics/2025-12-01/fixtures/ (golden inputs/outputs)

Pending steps:

  1. Sign each artifact with its predicate (cosign v3.0.2 in /usr/local/bin, use --bundle; v2.6.0 fallback in tools/cosign also works with --output-signature):
    • stella.ops/confidenceDecayConfig@v1
    • stella.ops/unknownsScoringManifest@v1
    • stella.ops/heuristicCatalog@v1 Example (v3, replace KEY):
    cosign sign-blob \
  --key cosign.key \
  --predicate-type stella.ops/confidenceDecayConfig@v1 \
  --bundle confidence_decay_config.sigstore.json \
  decay/confidence_decay_config.yaml
    v2.6.0 fallback (if PATH prefixed with tools/cosign): 
    cosign sign-blob \
  --key cosign.key \
  --predicate-type stella.ops/confidenceDecayConfig@v1 \
  --output-signature confidence_decay_config.dsse \
  decay/confidence_decay_config.yaml
  2. Record SHA256 from SHA256SUMS in DSSE annotations (or bundle metadata); keep canonical filenames:
    • v3: confidence_decay_config.sigstore.json, unknowns_scoring_manifest.sigstore.json, heuristics_catalog.sigstore.json
    • v2 fallback: .dsse signatures.
  3. Place signed envelopes + checksums in the Evidence Locker paths above; update sprint tracker Delivery Tracker rows 5–7 and Decisions & Risks with the final URIs.
  4. Add signer/approver IDs to the sprint Execution Log once signatures are complete.

Notes:

  • Use UTC timestamps in DSSE issuedAt.
  • Ensure offline parity by copying envelopes + SHA256SUMS into the offline kit bundle when ready.