1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x274008e2f5931d9779d8bb0cb1bdf64be001c52b552faf0c74ced4c553c0825f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c54d4257-3fc4-4f76-a641-d06dc6eb34ed.json and https://artists.proofprofile.net/proofs/artist/c54d4257-3fc4-4f76-a641-d06dc6eb34ed.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 → block OTSBitcoinBlock must exist at that height 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 0xf4ad72f4d0b9df07d4c72cab728375b0d5913db7792414cbd3bf5cd6af0d9de9. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:33:04Z), 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/USA370545867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ac2dcb17e2ca90f6eae977377cfe997b4219e8838734b6095968c1cdde74e6. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USA370545868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f3b99452591b2eaf9c54bf4aa7f4eb60aeead1bf82b3e17ca9927a5d469f322. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/USA370545871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae69551ce5244e2e97b0bec3ec6e6e3cf87d4108cefe6c32c4e0d3b31fa23c25. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T10:57:07Z), 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/USA370534616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a0fa13b6f680b12f6a8461522e9eda13e14036eb8deaee3ef8882f5407b1eda. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/USA370534617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16287bc125dcd6ec2a48a73763dea9ad60253c957f5f1cfdb5155607e30270af. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/USA370534619.
Le 100 canzoni dell' Estate-Abbronzatissima-Gelato al cioccolato-Balada-Vamos a la playa-Kalimba de luna- Andamento lento - Soul sister - Dolce vita - Oye como va - Camisa negra - We no speak
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80bb01b71dc270e10401c4eb02f1c9ad8924cb4f9681cc7cfeba62a416ccd524. 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/ITZ019900631.
Buon San Valentino - 30 grandi successi d'amore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80bb01b71dc270e10401c4eb02f1c9ad8924cb4f9681cc7cfeba62a416ccd524. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/ITZ019900631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1398d4f894f63b05dd7d275ed3d0f8412a135a9059414c0b78c0cbd781bb8182. 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/USA370540268.