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 0xdf7b729f100a998c40dc4ca8fa3880824d708f1116f50ceb6f5e0a10807b5479. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/16a979bb-01aa-4480-8810-329d789ef023.json and https://artists.proofprofile.net/proofs/artist/16a979bb-01aa-4480-8810-329d789ef023.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
My Flight's at Six, Can I See You Before Then?
The Alley Behind Elgin Ave (JM-A! Remix)
Demos And Other Songs That Didn't Find Homes 2017 - 2021
The Rain Won't Stop And I Can't Catch A Break
The Lights Keep Flashing In This Club And All I Think About Is You
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 0x9be6ee37b9a7df14c16e96495e63caea09f6c613d164c93eb6a3f30e75b75ebf. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-20T00:25:26Z), 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/QZTV32594772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50b72d4c74a1b7b0e891b4d435904ab31e9bf1edd7534dc82522cc1da93c07b2. 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/QZWDD2570624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be6ee37b9a7df14c16e96495e63caea09f6c613d164c93eb6a3f30e75b75ebf. 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/QZTV32594772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a0406d9aa753d215081939b7227f63787bfe771e99b4a29bba79074fe7a1d2. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZWDD2570630.