1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x35b99311eff47d7954cef696639f66a897860f1b5783946e2aec67000dffc898. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81da0153-6ed5-4142-aa8c-6658ee7e36ad.json and https://artists.proofprofile.net/proofs/artist/81da0153-6ed5-4142-aa8c-6658ee7e36ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Messy Wednesday Mixx (feat. Messy Mya & Nicky da B.)
Throw in a Circle (feat. J da Body Rocka)
Keep That Booty Rollin (feat. Sissy Nobby)
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 → block OTSBitcoinBlock must exist at that height 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 0x3c5069b9914be752443dde7640b8c613bd21bef50b47960860e0a8b8b28e93cc. 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/TCADI1776311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b9a5310857b15eb65b0b8a81ca9022ad980df13984d7567f81008759f82a23. 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/TCADU1881290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd471d0ce71ee397de60a704962b345ccd726a18a8e8c5c2e6589579f6200035e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/TCADU1881337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb63608b9c2a48370cac6dd807e9f63d834356dd9a3c20c81a595a79de950af8. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TCAEN1986978.