{"count": 1, "proofs": [{"proof_id": "so-30120-4b904d992dbe", "kind": 30120, "proof_type": "ProofOfSettledOutcome", "schema_version": "1.0", "ts": "2026-10-01T18:51:47.612317+00:00", "task_class": "research.topic-deep-researcher", "task_id": "8710e013-fff", "settled_amount_usdc": 0.05, "refund_status": "none", "settlement_ref": "8710e013-fff", "settlement_ref_resolved": true, "rail": "none", "settlement_status": "seeded_demo", "charged": false, "amount_charged_usdc": 0.0, "rail_note": "not charged: booked at the job price, no payment moved (seeded_demo); the ref is the job id", "buyer_id": "blindoracle", "agent_id": "topic-deep-researcher-sonnet", "proof_tier": "internal", "proof_tier_means": "no-charge rail (starter credit / booked-only): HMAC-signed, chain-hashed row, keyless GET \u2014 no on-chain tx", "anchor": null, "proof_chain_hash": "pcs1-9a0d011beb329465babd07014cbc453b"}], "scanned": 2330, "synthetic_excluded": 0, "verify_without_trusting_us": {"1_payment_is_real": "Open basescan_url. Confirm the USDC transfer, the amount, and that it went to the treasury. This is on Base mainnet and needs nothing from us.", "2_bytes_are_yours": "sha256 the COMMITTED FIELD of the deliverable \u2014 the trust envelope's content_sha256 is the hash of the body the SKU produced (content_markdown for research and extract SKUs; the `deliverable` object for the others), NOT of the whole JSON you received. Compare; if they differ, the deliverable was altered.", "3_binding": "settlement_ref on this proof is the SAME tx you just checked, and task_class/ts say what it paid for.", "what_this_does_NOT_prove": "That the work was correct. It proves payment, integrity and linkage \u2014 not quality."}, "signature_disclosure": {"alg": "HMAC-SHA256", "honest_caveat": "proofs emitted before 2026-08-30 17:50 UTC were signed with a DEV key (their signing.dev_key is true) \u2014 an integrity check, not a trust anchor. Later proofs are signed with the production key. Either way the on-chain tx is the anchor \u2014 verify that instead."}, "withheld": {"fields": ["cost_usd", "net_usd", "tokens_in", "tokens_out", "gate_catches_survived"], "reason": "our per-transaction unit economics; not required to verify a settlement", "buyer_id": "omitted from listings for privacy; returned on a single-proof lookup, where you already hold the tx"}}