Agent OS Trust Evidence Compliance Report v1.0

[Liuyanfeng1234]

Agent OS Trust Evidence Compliance Report v1.0

External-facing compliance report documenting the full governance evidence chain.
All components are independently verifiable through published endpoints and specifications.

---

1. CompositionRef Field Definition

Spec: argentum-core docs/spec/composition-ref.md (commit 78d4686)
Implementation: CompositionRefBuilder (Python, SHA-256 over JCS RFC 8785)
Hash: 64-char hex (256 bits, no truncation)

Field	Type	Required
action_ref	string	✅
authority_verified_at_ms	int64	✅
composition_key	string	✅
delegation_ref	string	✅
revocation_check_at_ms	int64	✅
revocation_ref	string	✅
scope	string	✅
version	string	✅
key_source	enum	❌ (inline/cache/resolver)

Test vectors: 7 vectors covering inline, cache, resolver, HTTP tamper, stress (10KB), JCS canonicalization, Invariant 5

Cross-implementation verification: ✅ Byte match confirmed with TKCollective's implementation

---

2. SIAP Audit System

Spec: PVCF_SIAP_Integration_Blueprint.md
Frequency: Every 5 heartbeats
Axioms audited: A1 (Identity Continuity), A2 (Evolution Entropy), A3 (Value Alignment)

Metric	Current Value	Status
A1 Score	1.0	✅
A2 Score	0.85	Normal resting entropy
A3 Score	1.0	✅
Integrity	1.0	✅
Internal Deviation	0.0	✅
Alert Level	normal	✅

All audit results written to immutable log.

---

3. O-SDA Checkpoint Integrity

Active checkpoints: 10
Threat records: Cleared (0 active threats)
Safety level: normal

Each checkpoint carries:

• composition_ref binding to governance state at checkpoint time
• timestamp, safety level, threat count
• axiom satisfaction scores
• SIAP integrity score

Verification: Auditor holds receipt + composition_ref + checkpoint data + JWKS → verifies everything offline.

---

4. QUASAR Trust Model

Tier	Threshold	Description
TRUSTED	≥0.75	Consistent valid, verifiable actions
NEUTRAL	0.50–0.75	Normal operation
WATCH	0.25–0.50	Under increased scrutiny
QUARANTINE	<0.25	Actions blocked pending review

Temporal decay: 0.05 per day without fresh evidence, capped at 0.50 maximum decay.
Recovery: Score immediately restored upon fresh evidence submission.

---

5. External Validation

Partner	Status	Milestone
giskard09/argentum-core	✅ Spec aligned	CompositionRefBuilder byte-match confirmed
TKCollective/IETF draft-krausz	⏳ PR upcoming	Envelope-level conformance fixture
TRAIL Protocol (Christian)	✅ Requirements adopted	3/3 governance requirements confirmed
A2A Row 8 (kenneives)	✅ ACCEPTED	Independent reproduction confirmed

---

6. Evidence Chain Integrity

External Agent Verification Flow:
1. Fetch identity → /.well-known/agent.json (Ed25519 pubkey)
2. Fetch CompositionRef → SHA-256(JCS) recompute
3. Fetch SIAP audit → integrity score + A1/A2/A3
4. Fetch O-SDA checkpoint → composition_ref anchorage
5. Verify trust tier → QUASAR temporal decay + evidence freshness
6. Confirm capability → SAL declaration verification

All steps are offline-verifiable against published JWKS.

---

7. Repository References

• docs/COMPOSITION_REF_SPEC.md — Full field definition + 7 test vectors
• docs/ED25519_COMMITMENT_MODEL.md — Hashing pipeline + cross-platform vectors
• docs/QUASAR_TRUST_MODEL.md — Four-tier trust + temporal decay algorithm
• docs/OSDA_CHECKPOINT_DATA.md — Checkpoint structure + verification flow
• docs/SAL_DECLARATIONS.md — Capability statements + state reports
• docs/DID_REGISTRATION.md — Agent identity establishment
• docs/blueprints/ — Architecture blueprints (PVCF, SIAP, CDWP, ESSP, Evolution Assessment)

---