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 0xd37099e37d1a43b1fb3b39b3497d401d7cb894f851a0c052c52df1634a03e316. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f484c536-1790-4be8-b736-26fff2681157.json and https://artists.proofprofile.net/proofs/artist/f484c536-1790-4be8-b736-26fff2681157.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
We Dont Love Them (feat. Philthy Rich) - Single
Do It 4 tha Trap (feat. E-40 & Work Dirty) - Single
Bag Lady (feat. Willie Joe & J Minixx) - Single
Tell 'Em That (feat. Nef The Pharaoh) - Single
Puff Daddy & Ma$e (feat. Stresmatic) - Single
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 0xc4905e2e160a2adca7e80c323258fe5ff65a912bf8bd1a7a04b7f71aabcdb0f4. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:04:11Z), 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/QZNWY2521596.