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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc710a912826cabc7e5456e85d2b2f1e38c3523736b221c75fd8699c028eb7bce. Chain 2 (Bitcoin): anchored in block 954593 (2026-06-20T19:46:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bd63c7e6-bfa4-4288-a71a-6c1ab3da9e31.json and https://artists.proofprofile.net/proofs/artist/bd63c7e6-bfa4-4288-a71a-6c1ab3da9e31.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Los Sbaglio - Dee Jay Robson "Sistema Ítalo Dance"
Lento Violento IL Ritmo Che Spacca - Dee Jay Robson "Sistema Ítalo Dance"
Scrath Dance Remix Edit - Dee Jay Robson sistema Ítalo Dance
Zombie Cranberries VS T.A.T.U All The Things She Said - Radio Edit Remix Dee Jay Robson
Call to Music - Dee Jay Robson Sistema Ítalo Dance
L Impazienza - Edit Remix Dee Jay Robson "Sistema Ítalo Dance"
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769d256bb6449af4614bd775eeb0fdd4174f34295355e22d1037fed1e83f4a4b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/USANG2177053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fb079013e4df6d11b79994eb24bc8e765e39ba0c1781de07cd867f208a76c7a. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/QM3DF2112170.
Oh No i Hope i Don't Fall Pancadão Automotivo 2k21 "Prod: Sistema Italo Dance"
Don't say it's over - Hands Up / Extended Edit Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6baaf48a51fa62de57286bf76394bae3e23cbf06ace15f2dc4336aa76f326822. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/BX4IU2311436.