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 0x5d5318d8f68d37238e56dde98058ec9df2eca46654d84176dc49118157d88b9f. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/faca8434-cc5f-44fa-abef-7e0e0dcf68f4.json and https://artists.proofprofile.net/proofs/artist/faca8434-cc5f-44fa-abef-7e0e0dcf68f4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nightlife with Jazz – The Best Party Mood Background, Funky Jazz Music, Easy Listening and Midnight Lounge Bar
Wine Jazz Bar – Restaurant Jazz, Piano Bar, Smooth Night, Romantic Dinner, Jazz for You, Easy Listening
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Winery Background Jazz – Inspirational Music for Wine Tasting, Piano Sounds for Wine Connoisseurs, Smooth Jazz in Restaurants, Candlelight Dinner
Smooth Traveling Time – Instrumental Jazz Music, Airport Lounge Relaxation, Easy Listening, Driving & Flying, Simple Moments
Simple and Inspirational Things – Positive Time with Jazz, Morning Black Coffee, Just Relaxation in Home, Peaceful Atmosphere
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Jazz for Coffee Shop – Smooth Relaxing Jazz, Piano Relaxation, Jazz for Chilling Out, Background Jazz, Instant Relax
Casino Lounge Jazz: Royal Vibes, Slow Cocktail Party, Sleepless City, Glamour Midnight
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Relaxing Evening with Jazz: Calm Background Music, Jazz Instrumental Songs, Quiet Night Time
Check-In Jazz (Background Jazz Melodies for Hotel Reception)
Productive Jazz: Music for Working, Studying, Concentration and Stress Relief
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Delightful Jazz: Pleasant Moments with Instrumental Music
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