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 0xcdfbd8c2cd7c5fe370b253088345e9135ce882a1e42faf0eaa62ea98e22103f8. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a07e42c-7d23-400b-8e2e-eb862cad3bd4.json and https://artists.proofprofile.net/proofs/artist/9a07e42c-7d23-400b-8e2e-eb862cad3bd4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Christmas del Mar: Lounge Party Music Cafe and Dinner Music at Christmas Eve
Christmas Lounge Music - Chill Out Xmas Songs & Traditional Christmas Music Collection Lounge Version for Christmas Party 2014
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Christmas Cafè Music: Relaxing and Elegant Chill Lounge for Coffee Shop Ambience