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 0xfbeda8b8e5c5af5c273060f0699307dd9fb65cab803a461b3ee84bc723b3765d. Chain 2 (Bitcoin): anchored in block 953614 (2026-06-14T08:40:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/185df291-7be2-44dd-80b7-9621434c841e.json and https://artists.proofprofile.net/proofs/artist/185df291-7be2-44dd-80b7-9621434c841e.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 0xd4e3cc603435e63162a5202e912058e4b7bd638e13e71e4264ed1b85e65669a9. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:35:49Z), 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/QZBRF1883489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b45f304c8519d61dd668cff80fe5b4d9c57c2dd1491ce1b2b066f142aef656d. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/QZBRF1883890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7c917b36728fe2c4fba1c982ddb7818e2949f53e964916238a9ed0e32916cf9. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:37:47Z), 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/QZBRF1883056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x235809daa20af9d6026ffd80c93b6c77489ce4c1100a4d7372483e81f370d3b9. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZBRF1881522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb24c48f3afd0b9634e157633c4423bdd67c48862d5e71f9ee021398acb5b26a3. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QZBRF1881523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x080c5e75634c247a6477b2e5ce5a1bb8b0186e225ffac94e3d5c7b97f5f47d14. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZBRF1881524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2622adb31dd4da3d4a3b9958a91d530b3b6223ea52a3621235b84cc2caf01c0. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZBRF1881525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9e8cf8b9d7fb6adadf2c60b82504a4d363779cec1a60ce9e7bd77a788a2f5f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZBRF1881526.
Ma Dawgs (One Luv) [feat. Geneseas Clan]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62839ecabccbb6ae888c0b68597fe2d10ac6271b560e49e99622087195a487a5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZBRF1881528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39412351e7c9ce16e98a89ec538fcf766b56adea33670e9c385af435a8f71823. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZBRF1881529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95167a825add4383c0ad2a059e11bb1484b28f5ec26667ddc72af17baa143ea4. 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/QZBRF1881531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x577d6f205830bb65aa0ea64f076163785bab6792c4201ff90a5c57530cd169b5. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZBRF1881533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fdc075eb6b67bcd1c2e4ef8adeba1932955edeba96451f99ebba2eb0bfa82d7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZBRF1881534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d3114fe0c040f1b86f7730056e7da9fd1da55eb72e2b2f191cfb481dd00e2eb. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZBRF1881537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d5349080fd688bb378770a1ce5b4872be758f915a3edb39767a72f08ce106d9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZBRF1881541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x991513991302a9d2fc55c588506d9e42ffa4e40f9d803aabc3ae82792eec7b0c. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T10:24:30Z), 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/QZBRF1881527.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36d546ebed09f16a94cf8c1497c14879e8593f6858066c29df003718ff12d522. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/QZBRF1881530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef8f61a7d580e937cc7f4718ba9f40c7667264dc042faaa37198cfbb8abf7dd0. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/QZBRF1881532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27eac1a425bf0cec353bf066cca4743e82ce2135ac5c4bff9514c6e78a4548b2. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/QZBRF1881535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7aaae3224f1498859e5fd4b81f85790a419e94a60074b129a121f503aa7cbe6. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T13:20:46Z), 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/QZBRF1881536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca6ba332917ceb7703c38943b980cfeee959861a1d4cfa8be3023599ed4de40. Chain 2 (Bitcoin): anchored in block 959146 (2026-07-22T17:10:57Z), 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/QZBRF1881538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28819fca66ec7934eabb5f2e5f20884d1eb0826022a5294e1a7dfdaa6633e2fb. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T09:57:30Z), 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/QZBRF1881539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf81bde0c2667b003ffdc3ebaff9220b7c2c8a9bad3a68b4b19a48c2f1d53356. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:47:26Z), 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/QZBRF1881540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf9e1cff6d95526a4355cd27b97d9a6a407c78854fd0473774b1f46bac02be68. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/QZBRF1881542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ed2a1d0dae38d7f6577ce12de922a9efeccd52db06f7ca51eb5ec43683958e6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZFZ62174996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe539c3632deb2a55b3e8bdb9de31f5dd8d56af0eb26693e9223859d8423f7aa6. Chain 2 (Bitcoin): anchored in block 958529 (2026-07-18T09:21:41Z), 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/QZTB42358411.
Christmas Song by Tex Livingston & StoneJezreel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1973a9984de76d1ca29c48c8abeb934462e3f30ace8dd0f5ea095e939f2a5d8e. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZTBE2399674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f6e121f6283fb630863b12d298a836f31a50b25f813786a9b7023c74438e1c. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZPLR2504462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b77af0e90f8552ca28d17ead0b948509b56dbc35be2d7d4a23d58cb9c97eb0c. 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/QZTB22511365.