1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58e18f886b2bf675041459743b368fe533af18efb824e42273506f0101e6820b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/04016af9-be43-4b24-8a4c-349d2d9ecf80.json and https://artists.proofprofile.net/proofs/artist/04016af9-be43-4b24-8a4c-349d2d9ecf80.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Crying on the Subway - Audiotree Live Version
Crying on the Subway (Audiotree Live Version)