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 0xe0293c0207d9ffda5333447ebb18e67cad74f0d6b71438ce27c5a53fdcd4058f. Chain 2 (Bitcoin): anchored in block 953864 (2026-06-16T00:30:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0427c225-3c71-4e5f-928b-2b85373467ed.json and https://artists.proofprofile.net/proofs/artist/0427c225-3c71-4e5f-928b-2b85373467ed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Guitar Music - Background for Chill Days
Artistic Guitar Duo Music - Vibe for Summer Vibes
Calm Guitar Music - Ambiance for Relaxing Moments
Guitar Duo Soundtrack for Smooth Ambience
Sultry Guitar Duo Music - Vibe for Chill Days
Guitar Journeys for Calm and Quiet Reflection
Serene Nights: Sleep Through Guitar Music
Guitar Music for Baby: Soft Lullaby Strings
Guitar Music For Soothing Sleep And Tranquil Dreams