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 0x2ed54bb48e1ca336f27d5c88f862a9cb983965ba144df63edacdfa52f710ccab. 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/41317660-0600-413c-9543-73afcaf8c051.json and https://artists.proofprofile.net/proofs/artist/41317660-0600-413c-9543-73afcaf8c051.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 0x8503dfce9ed368922c1511e8780071d44a476e757f48226e58bd757b030d0b55. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QT3F42453209.
This Song (feat. O'kenneth, Reggie & Jay Bahd)
Likkle Youth (feat. Jay Bahd, Skyface SDW and O'Kenneth)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb63aacae8560ff648b5be2cbf95eac4a2d662aa3d7005b6ca92a78c1358b38f3. 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/AUMEV2357023.
Goliath (feat. Yarw Teasy, O'kenneth & Jay Bahd)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44458e470f55db1e784b97f124b816178d5c1eaee1277c32acb82ca5eaacab6c. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/AUMEV2357025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa177e92d60c30f8780ed55d03db0402c23918a2f0fc6c95be184f48e066db0c. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T08:32:30Z), 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/AUMEV2357027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac460fe85e4ef75a8815dc7ef4206491b96e1399aa732aab03d519620f3cde3f. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/AUMEV2317642.
Gun (feat. Jay Bahd, O’kenneth, Terrist Carter & Cartnez)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbff6186ca9ba18dc114e2ae52bf268342f23e6ca75fd08bbecbbfabb52d6cd43. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/AUMEV2357031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb53a406e37db290257658e4c227dd6346898fd06918ed8a1781d9193ae95b8a9. 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/AUMEV2352960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x750e33d6d44b6fb6ee4d3e14322e7e92668a0adb6ad23017e8b07d3f64675460. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/AUGBT2433367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x048f5a2e210d8ba6ee8215b7a87686a221f75e00f86d857df11fa76773f6632e. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/QZTB72505010.
So Wild (feat. Jay Bahd, Kawabanga, CHICOGOD & Kwaku DMC)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4120c8603668311830e668316e8e91171b6c8322e9a3ab60aa9ce3561aa64a2. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USUYG1414713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe19799e4be27f735bea3b0176ee2c8617b91016b515f2b9f4a18b7468ee893e. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/USUYG1414719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b2569284b81ef22fb854c9796f306ab345026748d19d18098fec8f85aac0852. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QM7282382256.