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 0x174f2cb2777b536932d3eff36b241ccc73dcf7a171333fccc815b9ad7e603264. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5142c198-dd83-436a-934c-78030d96dde7.json and https://artists.proofprofile.net/proofs/artist/5142c198-dd83-436a-934c-78030d96dde7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hustle 2 Hustle (West Coast Remix) [feat. Lejin Man, Chill Pittman & S.D. Lyric]
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 0xc51e3c3b0fc037310a840666fd17671e89cf11bdd131f257680cb61c150d798a. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/TCAED1997526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f84500118defa6aa5206dab41ad4f025fe48d4743e6e364882d8225b0fd632. 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/TCAFK2175832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94340590666205e09f4c8e535657e37091ad70f6c3cb2fc5090fd1897845d293. 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/ZZOPM2226046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55718dfffb0cdd1c9bd64f48d78fefa24daf2a1cd08ff02aad595faecb1bd16b. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:36:53Z), 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/US43C1625564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad83ef54da7c54865dcdd078485667a16aa158680bf79162f671460c58fdda35. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZZ7M2448599.
WEST (from the Netflix Series "Rhythm + Flow")