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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29cf8e6fae7f77f1fb82a50bf56499c3b151892b441a11d947ebdaab06fb2a79. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0e36f24d-9078-409e-8268-d27b34deac99.json and https://artists.proofprofile.net/proofs/artist/0e36f24d-9078-409e-8268-d27b34deac99.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sophisticated Background Music for Relaxing
(Electric Piano and Alto Saxophone Solo) Music for Work from Home
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Music for Springtime Stays - Awesome Trumpet and Alto Sax
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Calm Backdrop for Comforting Reflections
(Piano Bossanova Duo) Music for Chill Out Reflections
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