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 0x103bd77baf27c60b7e0b797348eaf7d4db8ef979c4890200498245f3714ac160. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/950d4a67-e618-420d-aa51-010222737fc6.json and https://artists.proofprofile.net/proofs/artist/950d4a67-e618-420d-aa51-010222737fc6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sensual Piano Jazz – Jazz for Everyone, Open Your Heart, Easy Listening, Jazz Music, Piano Bar
Chill Piano Jazz – Soft Jazz for Relaxation, Vintage Jazz, Relax Yourself with Piano Music
Piano & Guitar Relaxing Music – Jazz for Relaxation, Smooth Night, Shades of Evening, Calming Sounds of Jazz
Anti – Stress Swing Music. Relaxing and Soothing Worries Sounds. Better Humour
Relaxing and Stress Reducing Jazz Music. Instrumental Sounds for Better Mood and Atmosphere
Funk Jazz Music for Work and Home Time – Good Focus at Work, Positive Thinking, Lazy Day After Work
Stress Reducing Jazz Music. Soothing Sounds for a Stressful Day (No Worries, Positive Songs)
Bebop Boogie: Vintage Jazz Music Saxophone & Guitar Songs Selection
Boogie Wonderland: Amazing Electric Guitar Jazz for Emotional Release
Gentle Rain: Chill Vibes for Calm Relaxation
Calm Binaural Birds Ambience for Relaxation
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 0x8ea6d3b8777bb4d8487e5d42d6e175d0aa6961f675bd117d7478deffd07ac889. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/QZWDD2459350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04c1bb4cd844ffa4ba7e3cc11aa3f4879bf06fe592bdfecda097a5c31dd8dffb. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZWDD2459354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f961efb9cc3f44fe6c83daf0a13c2ecc0068119b5bf65ef3be4f89ae9193203. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:29:05Z), 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/QZWDD2459376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8702b8ceadce8957831f476058b9bbf29faf4c3c329de99c012a10c4739c8b12. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:03:23Z), 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/QZWDD2459383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf14745c177e66467e47a20aa1b1c62b9751a1773eeab349ccb839bde5ad76a8e. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZWDD2459391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a5ba890a4603fb0eefc4a9fc0d5341117ec623de51b053af987751a42f930c9. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:42:31Z), 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/QZWDD2459408.
Music for Stress Relief: Calming Relaxation Retreats
Rhythmic Stories: Hip Hop Music from the Streets
Gentle Sounds for Dog Relaxation and Sleep