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 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 0xcde9d3c23c9a651ebdea3f694c29f42184eadcbbdad4f5acee33a8cd84cecde6. 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/e08c82c1-112c-4a61-8a9e-bd4498b73af6.json and https://artists.proofprofile.net/proofs/artist/e08c82c1-112c-4a61-8a9e-bd4498b73af6.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 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 0x18b04c2082edb8f25e6c26cd6db4ed66ff354679ec72c0de9b01dc8b8edb5066. 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/USHM91132426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2be27326fda258d897ba1651e145028102349f796d5e89daab9a4f5bc92c59a. Chain 2 (Bitcoin): anchored in block 957569 (2026-07-11T12:44:25Z), 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/USHM91132427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6615afa77d51a12d65174d2e002cddd3c3f3b6e26d32d8d313dc994966010d3. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/USHM91132429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe80033273ed04e8444bf1cbe061d9bbb884b61344f12ed97efafca5533a63041. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/USHM91132431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15f3ebd3d33fcbb73e2943130f2b21f048809b888ed7a98d550fbd4b1d8c7cfe. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USHM91132433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf32b618f65ea12172a4d489854c63fbf67fbe409a3a0328bdb6e66ef72b06300. Chain 2 (Bitcoin): anchored in block 958697 (2026-07-19T07:58:24Z), 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/USHM91176491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3e6337713a5165a14a15bda407c92e16a8a7f7c619f5ba0753e99bea37da719. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/USHM91176493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa14154c600a86352fa9514b5266ee23a730b7ba9fd87f3ec5478d7c013e3c1a2. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/USHM91176495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x711164374d5541347300b51d73271b9c2629ea8368681aec444e3c0feaceda42. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T21:34:21Z), 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/USHM91176499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b7b9d8e7b867b896afc29abc33392870b15e45fee8ca80980b2ab686614dfdb. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/USHM91176501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3628b2c7df204656e75fea44f496fdca8c3ce89c25290deb1f868baf28c8e48a. Chain 2 (Bitcoin): anchored in block 957647 (2026-07-12T03:57:41Z), 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/USX9P1269953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5258237ba7ca52bd2828efcba2dc226680a81d3b566b3738282270fc89552b8. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/USX9P1269954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45e81121813c42f344498a1107592624e490485fdae5b0bb6f3ba1d5a53e7fd9. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USX9P1269955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x277d9f98f6e80cbcbcc378299f5aee005dbaeefccc427aee502feb112532d9be. 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/USX9P1269956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82f7e62ef6664e6779a606cffe6ca1f7d4d1c79c02582dfc445cb769eaae2420. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/USX9P1269957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c47d45401b16acc33306f1957087c2beede5131fe75a55318c1f5abc6848922. Chain 2 (Bitcoin): anchored in block 957650 (2026-07-12T04:18:57Z), 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/USX9P1269958.
The Prophet's Hands (feat. Zain Bhikha & Yusuf Islam)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21fbf910d91d9d04607e4193407980cbeab0886bb23d93dcb9fcfcfbf4a9c10c. 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/USX9P1269959.