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 0xa0901bdcb0ea63498c9a597ba93d0704f2d17c8b880247f0f23413a5a778a770. Chain 2 (Bitcoin): anchored in block 954618 (2026-06-20T23:05:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c8e35643-7316-4382-aefd-7f1b694c6de8.json and https://artists.proofprofile.net/proofs/artist/c8e35643-7316-4382-aefd-7f1b694c6de8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
DJ Essential Tools Vol. 2 - Tech Grooves & Body Shakers
DJ Essential Tools, Vol. 5: Old School House
DJ Essential Tools, Vol. 6: Bang Tha Trunk
DJ Essential Tools, Vol. 7: Old School House 2
DJ Essential Tools, Vol. 8: Deep House Starter Pack
DJ Essential Tools, Vol.10 - Organic Beats
DJ Essential Tools Deluxe Edition, Vol. 1
DJ Essential Tools Deluxe Edition, Vol. 2
DJ Essential Tools, Vol. 16: Hop House 2
DJ Essential Tools Deluxe Edition, Vol. 3
DJ Essential Tools, Vol. 17: Drums From The Underground
DJ Essential Tools, Vol. 22: Hop House 3
DJ Essential Tools: Deluxe Edition, Vol. 4.2
Sands Of Time (Pascal Billotet Extended Remix)
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 0x696fd6c330a10f0e6119139709fd682993aaeba05f536c5a020b1f1945e64aff. 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/US83Z2507637.