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 0x29879685be18d612a702d1c8649f333384a1d49fdd37ca5dda1cb2409b4fcb56. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/35373d3f-9a29-49cd-b548-472c1cc803b2.json and https://artists.proofprofile.net/proofs/artist/35373d3f-9a29-49cd-b548-472c1cc803b2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Producer's Toolbox - Ambient Scoring, Vol. 2
Producer's Toolbox - Acoustic Blend, Vol. 1
Producer's Toolbox - Electronica, Vol. 1
Producer's Toolbox - Ambient Scoring, Vol. 1
Producer's Toolbox - Sports Rock, Vol. 1
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 0x88bbb096b2aa00ad67c3dd05ab007b25a5a34e4f1465e34776e20364a53284c4. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QMDA71465792.
Producer's Toolbox - Whiskey Soaked Rock and Roll
Producer's Toolbox - Electro Junk, Vol. 1
Producer's Toolbox - Hollywood Scores, Vol. 1
Producer's Toolbox - Ambient Soundscapes, Vol. 1
Producer's Toolbox - Jazz Lounge, Vol. 1
Producer's Toolbox - Rock 'N Rollers, Vol. 1
Marion Barry Film Score (Deluxe Edition)
Dark Haul Original Score (Deluxe Edition)