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 0x1ca595a8a2924e5bca8f01a0cfd9070cf3a8e2516832daada8fa45f0abe2fa90. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a8efa97e-9396-4e03-a9e0-406dbdb6210d.json and https://artists.proofprofile.net/proofs/artist/a8efa97e-9396-4e03-a9e0-406dbdb6210d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bishop1326 x Tigz Brady x Jayo - Nap Time
HappyDranker - Get Real Nasty (Clean Up Crew Intro)
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 0xcf5bc1e58a083a9e2e3dd4ec3a8f1e7229aa986501fe6ca84e8b0cd1009272e7. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/QZWFE2577151.
Bishop1326 x Swervo Balla - Best 48 prd by yen5am & evilchild
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x606c212910f0a3556a8fa89534fb6153c20d8203f69a4672cd0c3f8cc4613e0d. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-21T16:28:53Z), 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/QT3F32589859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x752cea64ad97f02bc9d992e0e9ae595dd5889d26ba394da0e307aa84e2e958b0. 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/QT3F62590785.