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 0x7bec5fdd6733e8b60204b674352197a9e164c0e19746b8b2fba51d7204a66628. 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/6c72a5f1-8f9f-4f73-9de5-2d32504b50c1.json and https://artists.proofprofile.net/proofs/artist/6c72a5f1-8f9f-4f73-9de5-2d32504b50c1.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 0x007f558027097d300b0935fd2d0b7bd66197ac4eb07579cb30cc6be0e2b0ccf8. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/US3DF1010473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01e2c5e601de9c2d964b25a6d8d06dec74d6f6d92168ec3ff713f7fd2af574ad. 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/US3DF1010474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54f24cc81c8f9582171346537fb7e9db17e027f42cab159213e2edbeeeba97c7. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/US3DF1010479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035c130414ce6b27516e14f42506740cb65561f4c5cd3361eeacf6166c6b260e. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T03:26:58Z), 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/US3DF1010480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95e73ccc96cb8661410019ecbd20da181918037d21e38acbea627392ec6c5bab. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/US3DF1010483.
Westcoastsynthesizerbeachbumgangstermusic (Knight Riderz Remix)
Appreciation (3 Stripes and Troublemaker Remix)
SocioPoliticalPimpTalk EP/Socializing with Pimps EP
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc3631446c5dd1d39c06eb89a67fa5a48925975edc6f6aae41cb504dcd6fa5f9. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/US3DF1207787.
Westcoastsynthesizerbeachbumgangstermusic (The Collection MMX-MMXIII)
Spooky Spooks and the Trouble with Capitalism
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad66a3e9b9fdb13d110d37e0d0012f4dc31e80e87212a5865ba664ded6bcdb3f. 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/US3DF1430796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe480a046ca25e5033921a8cd6e626af33f5d0263896a151038436490e907d594. 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/US3DF1430797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61aed1cc80c67627bbd9a94cb15bcedf7167e706a9a016f4b0603867c260c1e2. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/US3DF1430800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84dc568a39269926c616824cef405481d27ab8d8ef888fbc51cc642cf4ca40f. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:46:40Z), 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/US3DF1529994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcec0817f2e2f6aea80d5d05115543ec4da26d7c0bf907e47cbc1d1760d5ef39c. 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/US3DF2008469.