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 0x3bbb1a208686734b4a3b49ed6ef26f57596e2006f9ae1c9d9f47e6bc7c861cc4. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bded9783-f51f-4409-b5eb-0fd30882ff6c.json and https://artists.proofprofile.net/proofs/artist/bded9783-f51f-4409-b5eb-0fd30882ff6c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Contemplation – Best Relaxing Piano Music 2019
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Sentimental Mood: Emotional Piano Journey
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Deep Sleep Baby: Hush Little Baby, Lullabies and Sleep Music
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Blissful Ballads: Romantic Piano Harmony
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