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 0x1450425051c56ec67a56af001e7b7b9426c0908f13e7176f54d55c3bc528a080. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f6f276ed-98b3-4377-97ca-836ca871275e.json and https://artists.proofprofile.net/proofs/artist/f6f276ed-98b3-4377-97ca-836ca871275e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bossa Nova Party - Bossa Nova Dinner Party Music
Bossa Nova Guitar and Smooth Jazz Piano, Sexy Brazilian Relaxing Music
Bossa Nova Latin Jazz – Nightlife Smooth Jazz Instrumental Background Music
Pure Emotion - Bossa Nova Latin Jazz Smooth Lounge Relax Music for Romantic Evening Relax Time and Chakra Balance
Party bei Sonnenuntergang: Sinnliche Bossa Nova Musik zum Chillen und Sich Freuen
Bossa Nova Restaurant 2018 - Instrumental Lounge Vibes, Chillout Music for Clubs
Bossa Nova Winter: Smooth Grooves for Background Morning Cafè
Jazz Bossa Nova Guitar: Rio Breakfast Club Background Bossanova
Instrumental Bossa Nova Guitar: Summer Bossanova Brazilian Music for Chill, Study, Sleep
Bossanova Blues: Background Beach Covers for Relaxing
Restaurant Bossanova Playlist: Chill Cafè Romantic Songs for Lovers & Valentine Day Evening
Classic Bossa Nova Music: Ultimate Relaxing Brazilian Vintage Oldies Collection
Healing Bossanova: Lounge Brazil Chill Compilation, Soft Jazz Trumpet
Scat Bossanova Jazz - 80s Studios Recordings, Soul Bossa Nova Vintage Music