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 0x079d3beb90bbde1b992bfcc4d19cda1ed964ab187f24f4738fd2b9e25880834f. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08a2154b-0cd7-41de-840b-74a596d681dc.json and https://artists.proofprofile.net/proofs/artist/08a2154b-0cd7-41de-840b-74a596d681dc.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 0xbfe41f681a9d596dd7893d5c817346b5bd0c33f2011c87a4dbcdecb3520312f8. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:17:33Z), 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/NLGM12059000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cdd8eec8b7861ebab7ccbc653933eaaaec1a614e00a7c0ee38e29882dbeacc6. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/NLGM12059001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ed32a37113c50b7703ed68e92d17243fa7c51768e92bcfd7d3093def4e2ac7a. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/NLGM12059004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14231566b77718bb79c5d83a48062bd7b10e2757b8eaa18dc824da5ec2b01870. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/NL6VE2200006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a8c9fe3a38f81a2963f718f8819d0068d1cb3e9d0abfc350cbdbca58fc932e6. 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/GBRKQ2401784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fb2950f5439d49da717908fb47c680365c6d532306cf96ec7a8b7f60fc7a1d8. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GBRKQ2401726.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aa655b605e869c6aee49b3503cf3a53ace500ea2ba1aba49897c0823fe4970b. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/GBRKQ2401757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef75b9c45d87bfbbc919faef74d7ebc7440984f7f932b8bab4a237f2e60cddf. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/NL6VE2400016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae741fce20ca5715463a38744a7f447adffc086d7ed330104eceec7b339ede4. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/NL6VE2400017.
Canine Calm: Melodies for Dog Relaxation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ae265a4811fb7530337f86663a40bfe6575848c16477c3a0faac52bda166520. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/NL6VE2400018.
Feline Serenity: Calming Sounds for Cats
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa34e8965fd3803eab8c11adc75a3321a78268a633d3c935a29c02748e4fc81e6. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:09:19Z), 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/NL6VE2400019.
Serene Sounds: Music for Relaxation and Calm
Relaxation Moods: Calming Daily Melodies
Moonlit Dreams Lullaby: Soft Sounds for Baby Sleep
Peaceful Sleep Harmony: Soothing Music for Rest
Nighttime Serenade: Peaceful Melodies for Unwinding