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 0x32a957867824b77be1dae7e1743d7a4a347e1c19f6b512e24eba548b94268f7a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4f9c538a-9ae5-4005-bb5c-6877591d0353.json and https://artists.proofprofile.net/proofs/artist/4f9c538a-9ae5-4005-bb5c-6877591d0353.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cafe Bossa: A Cozy Spot for Relaxation with the Melodies of Bossa Nova
Morning Sunshine Café: Sunny Bossa Nova Vibes with the Ocean Waves for Relaxation, and Positive Mood, Cafe Chill Tunes
Elegant Bossa Nova Jazz Instrumentals: Lounge, Cocktail, Dinner Ambiance
Bossa Nova Jazz Restaurant: Culinary and Musical Experiences in the Rhythm of Latin Harmony
Latin Lace: Silky Bossa Nova on Trumpet, Spanish Latin Lounge
Apaixonada: Brazilian Bossa Nova for Romantic Time
Paradise Beach Cafe: Beautiful Jazz Bossa Nova, Sunset Latin Lounge, Summer Coffee Jazz
Brazilian Coffee: Relaxing Bossa Nova Vibes
Martini at Sunset: Tropical Brazilian Style
Havanna Haven: Relaxing Latin Jazz Lounge, Sunny Cafe Music
Bossa Nova Bliss 2024: Smooth Guitar, Sax and Piano, Top Summer Jazz, Seductive Brazilian Dance Grooves
Bossa Nova Summer Nights: Brazil Beneath Moonlit Skies
Bossa Sunset: Summer Jazz for Beachside Escapes
Café Brasileño: Morning Positive Mood with Bossa Nova
Emotional Bossa Nova: Smooth and Relaxing Instrumental Bossa Jazz Music
Copacabana Sunset: Bossa Nova Rhythms for a Sophisticated Touch
Lunch Time Bossa Nova: Positive Mood with Latin Jazz
Romance in the Air: Slow Bossa Nova, Relaxing Instrumental Jazz Music for Romantic Moments, Work and Study
Radioactive (Bossa Nova Version) [Originally Performed By Imagine Dragons]
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x195f0e7c1bd2fb32f27a3c323e61109ba74586d027c78c553247d7c95b637fb4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR0W62096853.
Sugar (Bossa Nova Version) [Originally Performed By Maroon 5]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9f96908753839ac5a16a65782ee63d6d8369329efad7364ef154d7428d8bdc3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR0W62096873.