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 0x44dc490ccb8d5cbd56131d5b53ebcc3a6086a6b574800b2cad89f0c28958d275. 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/f7408f00-9b84-466b-8517-6cdb2f17363a.json and https://artists.proofprofile.net/proofs/artist/f7408f00-9b84-466b-8517-6cdb2f17363a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x0b236ea605e6618dc4d1f5e286486fad90a1d4a8651dd941696f2a31b5373a3f. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/UKR4Q1891052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65710ee3e2518a97fd882461db41c8432180740a647d161ac6767e5ada789f79. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/UKR4Q1928948.
Italian Music: Italian Jazz Brunch, Italian Romantic Jazz, Ti Amo Italia (All the Greatest Italian Jazz Just for You)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x249385fc98b69526efb63021351a9fb170db05f5545067e61db6526ab6069be9. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/PLS922058065.
Cuban Moods: Best of Summer Cafe Latin Jazz, Bossa Nova and Brazilian Guitar del Mar Dinner Background Sounds
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c5374c9a545d0c681af503431d9d9ff34840731266d83df7bb0a534129d631c. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/PLS922191601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bab96866a80f8197ef0e1267089dec6b6ab5b7bbb78bda8dae5581aecb5bd0d. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/PLS922191603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0405b3828461d7e168b5b0510e5549e85809a198f20356975c2d06ad34de68af. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/PLS922191604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd07ead11c8fab84d52ccf06b3ac0f9afc7c5d060978306231d0ca8bb09331f70. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/PLS922191610.
Slow Jazz for Positive Mood: Spring Relaxing Jazz Music for Relax
Pure Elegance Jazz: Instrumental Jazz, Music for Bar, Café, Pub & Restaurant, Ambient Dinner Medley
The Best Saxophone Jazz Fest (Jazz Ringtones 2023)
Jazz Night Ringtones: Soothing Instrumental Relaxation, Best Jazz Collection, Soft Notes for Night Reflections
Passionate Romance in Venice: Best Smooth Jazz for Lovers, Instrumental Songs for Night Date, Moody Love Songs after Dark
Fresh Outdoor Relaxing Coffee: Summer Jazz, Instrumental Relaxing Jazz Music
Early Morning Jazz: Soft Jazz to Gently Wake You Up, Put You in Good Mood for The Rest of The Day
Tutto il Più Grande Jazz Italiano Solo per Te: Musica Jazz Italiana, Brunch Italiano, Jazz Romantico Italiano, Ti Amo Italia
Melodies of the Heart: A Romantic Jazz Night
Easter Jazz 2024: Relax, Celebrate, and Create Nice Moments with Jazz Rhythms
Peaceful Chill Night Rhythm: Jazz Tunes for Relaxation - Vibrant Melodies, Reflections Track, Romantic Mel
Cafe Bellissimo: Italian Coffee Shop Ambience, Sunny Cafe Lounge, Relaxing Chill Jazz Music
Soirée Jazz: Musique Relaxante et Relaxante pour se Détendre et évacuer le Stress
Cozy Autumn: Jazzy Background Music for a Lazy Afternoon
Saxophone Dreams: Jazzy Smooth Midnight Collection
Piano Carols by the Fireplace: Christmas Music 2024
Saturday Night: Timeless & Delicious Jazzy Beats for a Night Out
Afro-Cuban Jazz: Havana Nights, Tropical Espresso, Caribbean Jazz
Old Jazz: Vintage Vibes & Relaxing Music for Moody Night