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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663b5f34cc939dea9b9c268fa5193dc0bd02ee9858135149b5fa0644298f75b2. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/556f1b83-b99f-4f8e-a9ec-ff6e70020bc6.json and https://artists.proofprofile.net/proofs/artist/556f1b83-b99f-4f8e-a9ec-ff6e70020bc6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Turandot: Act III Scene 1: Principessa divina!
Turandot: Act III Scene 2: Diecimila anni al nostro Imperatore!
Turandot: Act II Scene 1: Ho una casa nell'Honan
Turandot: Act III Scene 1: Nessun dorma!
Turandot: Act III Scene 1: Tu, che di gel sei cinta
Turandot: Act II Scene 2: In questa reggia
Turandot: Act I: Fermo! che fai? T'arresta!
Turandot: Act II Scene 1: Olà Pang, Olà, Pong