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Registry/DGV Live/DGV-TC-039
DGV-TC-039L4: Evidence TransportGER-340: Evidence Anchor Not VerifiableVersion: 1.0.0

Transparency Log Anchor Integrity

Verifies that the append-only SHA-256 Merkle transparency log correctly issues and validates inclusion proofs for anchored evidence entries. Any third party holding the log root and an inclusion proof can independently verify that a specific evidence record was committed to the log, without trusting the operator. A forged or non-existent entry cannot produce a valid inclusion proof.

Operational Purpose & Scope

Verifies that entry-B (a real committed evidence anchor) produces a valid Merkle inclusion proof against the 4-entry log root. Any party can recompute this proof independently.

Verification Context

  • Target Scope:SCITT-compatible append-only Merkle log; evidence anchor; TRACE registry integration
  • Audit Strategy:exact-match
  • Verification Metrics:anchor_verifiedinclusion_proof_validmerkle_rootentry_indexinclusion_depth
  • Framework Origin:DGV v0.5.0 Expansion
  • Mandatory:Yes — must pass for certification

Governance Risk & Penalty

Forged inclusion proof allows fabricated evidence entries in the transparency log, undermining independent verification.

Expected Outcome

  • pass:true
  • gate_status:"OPEN"
  • anchor_verified:true
  • inclusion_proof_valid:true

Explore this card in 3D

Open DGV-TC-039 in the interactive scenario replay. This illustrates the test flow; it does not run the verifier or generate a cryptographic receipt.

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