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 0xaecb56bffed4be89ac4b2ba935116b0fa75e58c5868e862e19b16510238f4842. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6852e0ca-7748-459c-b95e-95ab74475130.json and https://artists.proofprofile.net/proofs/artist/6852e0ca-7748-459c-b95e-95ab74475130.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Best Classical Music for Kids and Baby - Mozart, Bach, Beethoven Music for Babies
Bach - Air on the G String Relaxing Classical Piano Music for Spa, Classical Spa Music
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 0x51eedf3b1cc911c6cd369ffe497190c82dd917758af98f34ed388688d3f2c1e5. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T21:45:32Z), 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/ITO101059753.
Brahms Lullaby Relaxing Lullaby Songs and Classical Music for Newborn Babies
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2df733657b0e862b6bbf0fcb80f7e78196a59b99d1bf441edbe104c1f799bf1b. 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/ITO101059754.
Grieg - Morning Mood Relaxing Classical Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdebb18a6bf8863d14e0e1eb229fb88e6fff280006908b2f881237694cb8914c7. 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/ITO101059762.
Ludwig Van Beethoven - Sonata Pathetique
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2bf55ebb2dbfe1da4be35102038645e86743544cbb71a2fe6d12c0612da16f8. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/ITO101059770.
Wolfgang Amadeus Mozart - k299, Classical New Age Music for Healing Massage
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419cbddd617ec82ea2b1f5e371299b2ffad0efbc9bec8ad9770e64f0dc2dbd99. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/ITO101059778.
Schubert - Ave Maria, Classical Piano Music Version for Spa relaxation. Classical Spa Music for Stress Relief and relax
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x499bed070cce3ec2f243aa14a26f07778336589768bf3fe7fe5406edfa524f6b. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/ITO101059787.
Slow Music for Brain Stimulation - Ocean Waves, Water Sound & Relaxing Music for Mindfulness Meditation Relaxation, Music Therapy, Yoga Music for Massage, Sound Therapy, Lucid Dreaming, Healing and Studying
No Words Lullaby - Lullaby Instrumental Themes for Sleepy Dreams
Music for Unborn Baby: Relaxing Indian Music to Listen during Pregnancy