Cold Comfort may refer to: Film and television Cold Comfort, 1957 short film co-written by and starring Peter Sellers Cold Comfort (film), 1989 film directed by Vic Sarin "Cold Comfort" (Are You B
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56ded0c82f1b2631393b9db9fdd6bd9d8b123eddf4076237f97062719ccaea38. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/171f65b0-db6a-49ff-89bc-ad7ea96624cf.json and https://artists.proofprofile.net/proofs/artist/171f65b0-db6a-49ff-89bc-ad7ea96624cf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).