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 0x81476e7c71df41b030d1b7c272da037dbd93ae1f7abffae44fdd9267211d6a16. 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/f9060d06-f301-461d-bcd1-e70b55ee4ad7.json and https://artists.proofprofile.net/proofs/artist/f9060d06-f301-461d-bcd1-e70b55ee4ad7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
ลื่นมากเชื่อยาก
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 0xb6bfea41a454ef7d42803ed03071a26fa887f372c7660e4ceeeb1c412dbaa3df. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/THRSP1216390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31a2da5a876b44e704d36de339745d270f5209270933cfddbe8f21d9b6d4140f. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/THRSP1216388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2eeafd2bd3b655d1ebf3ac72357b3e83d3ee98d70c85bfe92daa5532d8b519c. 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/THRSP1215763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0abb85282198f0ef447aa5d80b05a7c608d6bb0d972d5e6aa2ef95bcd27567af. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/THRSP1215764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aecf83ca6e6073c315ae6827cdfe6b1e7a65a1f05b8a35aaae9135879ef9ee2. 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/THRSP1215765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05bc58ca04df506d3272c663c83094c1c8df5602f219d2486ff9d268cf714a4. 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/THRSP1216382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2620cfc584da3416736ff4df2dacd7c375a4b87f93c69c7f172c243878c56a61. 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/DELJ81602755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28c0a11cd9055891e5dff6d0aead6508991b6c5833148b0e3dd1e927529e6040. 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/DELJ81749792.