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 0xecb1a23499f91de1344eb36f76437f769f173db18a91a9e1eaaccedc751b61de. 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/b65b616c-a5d9-4f69-bdb0-c177f4d04304.json and https://artists.proofprofile.net/proofs/artist/b65b616c-a5d9-4f69-bdb0-c177f4d04304.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 0xa799261e4c67664f5857e271e719bb6ad79aed8d6d71a93990eaa5494f3c57aa. Chain 2 (Bitcoin): anchored in block 957550 (2026-07-11T09:54:43Z), 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/SGW502475784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe910d581a7158431c499bb452c0ae27ce4a9a1df95298c4d62ded252410a511c. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/SGW502475783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e204282611cefb38bd7fea388cbe6af407cfbaff8ad8c05b30a3682dcbd01ea. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/GXD7V2328825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0eabbffd2fbea66f1f085f632c7b4d11cc787aed051645bf22dc603398d0085. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/SGW502275698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af4ae0ff10f9fbcee5adc457626268875069972e23bbb286bbe70a65b8c12d6. 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/SGW502336657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ce7a80c1d7cc0ee6c367665ca0d8fb30e396e61f963b2c81fb181e26cbc8326. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/GXD7V2545331.
Don't Think About It (Dream Edit) [Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x665e67822d36eb9bc8f9a80605414440a47bbe2a3a9abb62c31c2b4d230a9212. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QM6MZ2501944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab212310705aa68e4133e678ad7666c04d6a23ba1306a25c3481c8f689ee3dab. 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/QM6MZ2590774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67095ca75f7734e0a95ae0d4474a6bfa95afd1f2a6b73db574ebf13573e832e3. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/QM7282567080.