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 0xdb498d687e4aa3816d97a8f3ec6a44dff9fabced7e1a73cc003e1a516c7b235c. 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/fda7f519-1121-41e2-ae9a-2f9e5381200d.json and https://artists.proofprofile.net/proofs/artist/fda7f519-1121-41e2-ae9a-2f9e5381200d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Turn Your World Around (Laidback Luke Edit)
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 0x667e620ec05dd2cf479699964a91551ab6255c28f83cc85a8f2df511d39a6621. 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/GBJAJ1400205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5418b1884a4ad9a5fed264d0762bd8834491b52c77035c2c5114edef43290109. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T20:58:12Z), 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/GBKQU1511602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd22163bc81f8ded651254a0e4a3567797b1755ae659a902145a4d5750a527d4. Chain 2 (Bitcoin): anchored in block 957522 (2026-07-11T04:46:56Z), 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/GBKQU1511833.
I Want Your Love (feat. Bryn Christopher)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc701c2fd756d6ec6c03f4236136dea19cf91e872f573dd3611bf78c93f5dd4f8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBLV61714102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a1ae2c33428127f5b012fec17afd9c9b05a06814699be7347b8829ffdfc433f. Chain 2 (Bitcoin): anchored in block 958689 (2026-07-19T07:11:11Z), 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/QM24S1803861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c91106eff31fe65f7d04b7443df0ca2088b33d9284d88f7a6f44ae0f15ab034. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/USUM71711912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d9d71c2fe3a06b3eedd230f3b4df4a900bd13d6aa7659b81869103137a9fd2f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBKQU1668115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf18bc4d02874a57e6def6fe5ac7e4459c963880075d8369879f1d4ea071de0b3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USAT21603679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1efa1fa387881d62915d9cdf342685b2560f681eaae9b99601488aead9f0d490. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USQY51766100.
Broken (Tritonia 465) [Tritonal Throwback] - Codeko Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44a7e0c60d45985ce2b44c942f210255cc6a33cf4c5400039c12fca8ab77f5f. Chain 2 (Bitcoin): anchored in block 959089 (2026-07-22T04:35:59Z), 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/GBKQU2418575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc587a5528603ffc073abfa1a71492d013ebaf8ee508fe6c925bc74510d9d3d19. 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/NLF711502447.