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 0x97fa39a934095709a537b780fda4842e8232b330275ca82dc31cb53ee789ee84. 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/7e888750-2b59-4820-9b48-c8e672ccb716.json and https://artists.proofprofile.net/proofs/artist/7e888750-2b59-4820-9b48-c8e672ccb716.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 0xe1486ee5e2f8fe9c2b5feb0a40dbd4b355079e0dc843ffc048b6a5f85d35f0e5. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/AUGBT2450180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b3460f94fb6f6c81a209b24850006881628cec9c614f169b005e62e5f4b7196. Chain 2 (Bitcoin): anchored in block 958817 (2026-07-20T03:52:09Z), 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/AUGBT2450191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2966de1fb09d2bda34f5a68470f826f160edbaa9e1e89e8f760abbff67b3f742. 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/AUGBT2450197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28699ac24a018956a7c41a6d53e1a23c84de631c5691dae22e0d952fe7259131. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/TCACH1526155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c3019b917dba3cd1b45d6820b46acae661d6851a0fea45686aabdd6b880e328. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/TCADN1862150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31d5fb1c663258978eeb8b12b34c234c3e6b126e9816ffb7c2695a28d5913bbd. 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/AUGBT2456590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28b98a471dcfd72f8968ae4c5fe5610eee9f213a1a6221cc20cdc70f15cac314. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/AUGBT2483653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085034b3dc90a9ced73ef2265e954837138a12cb4e64c9fc574f39a41d3f7b14. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/AUGBT2483655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f8191da433347d43b53ecc05c1144e3c202f357285cd96f5e24bd5be6a87b6. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/AUGBT2483657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x803372b5e6cab3c9250101583cf4587039b1d29cf9bab8f45e19d2f7e9896f52. 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/AUGBT2483659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c175b4eb1a61c3ab2b3c55eda0ac15a387a4eabda5ebd52e10f2b2446c71428. 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/AUGBT2483662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88ff2624952031541fe63eb9f4adf0471b0e56474d0c7d7fda114779d4e72ff4. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/AUGBT2483665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b9a8973e3444ff054cdfe4622d288923d3f5827819e0726468a8b2ad0fe1e0d. 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/AUGBT2483670.
Strap-A-Holics 1.5 (The Best of Wooh Da King)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8f5096eca15378a0206eea4e48904ca805b05e53d9cc606cf7c53d391fe1dee. 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/USZEG1502481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x721c9fb0c9329d097dfe1a7c647febbb3c321d1296fb0c7a1b29467f123522ff. 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/QZ9EM1701840.
Baby Let Me See You Do It (feat. Wooh Da Kid & Slim Dunkin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b99b80fc3d2a0494565041825a71206e981b44a07cee17f2b11f1af0d332d64. 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/QZ9EM1701878.
Shirt Off (feat. Frenchie & Wooh Da Kid)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf882bbb19e3a922c09f4bb0d5f9b2d3c7012106337be0bc8af5eec87caaeb67a. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/USZEG1502257.
Bickin Back Bein Bool (feat. Slim Dunkin & Wooh Da Kid)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8abbcd8dce6f99bb14aec492f1f3e72c9e1c154ec1e3076460077c83d313793. 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/QZ9EM1701866.
2 Deep (feat. Gucci Mane, Wooh Da Kid, Ice Burgandy, Slim Dunkin & Frenchie)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x691056d0c6544aa4b34a1ddce88de8b7f98fc7d071caffdd2084c6375c02a10e. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/QZ9EM1701890.
Let Me See You Do It (feat. Slim Dunkin & Wooh Da Kid)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e9de9e0707d537815fcd9a1f55fb82a868d6a93fc2fae50f2bab7c99c23ea03. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/QZ9EM1700786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef2d043ee0e03ae584e8e824aad43dfa387dfb484b504fa602305fe4f9125666. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZ9EM1701934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd544d1c0af38f2de8ca6b3edb06ddb7d97721546f3c27c55cd9a4bb48bd2ba0. 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/USZEG1502223.
Watch My Power Spread (feat. Wooh Da Kid)
Salute Me or Shoot Me: The Extended Clip
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x761ec5796b1e5f5d6fe7ec3d5ada8f6de8cae4c22130fd9f8dc3e542df8ab066. 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/QZ9EM1701842.
DuFlocka Rant vs. Flocka James (NBA Finals Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa69fc5c629038a09a11951659be254763972c3000021024cdf1c83f687b4a5b2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZ9EM1701764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6c421bf3bb53da5f0ab860e461ae1d6212ce49f1d9a5f749b0f026831bfe0b9. 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/QZ9EM1702232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x721c9fb0c9329d097dfe1a7c647febbb3c321d1296fb0c7a1b29467f123522ff. 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/QZ9EM1701840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x750f41c1c3898c6acd95531e46b7ef7aafb94c28de15f712ce8163a86383e424. 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/QZ9EM1701770.