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 0xfaaeeba76047a9665dac854803a37c36b62b02038a8564da62f64b42d2e4ad47. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/45f844ba-17d6-43fe-90f4-24e94be54784.json and https://artists.proofprofile.net/proofs/artist/45f844ba-17d6-43fe-90f4-24e94be54784.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fields Of Gold - From the voice of Holland
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 0x42991a48f4b6f97032e715d538b12700a12d367a1dc691889786cb866b6769b0. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:19:40Z), 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/NLZ291300526.
Bleeding Love (From The Voice Of Holland)
Als je overmorgen oud bent (live bij Humberto)
Ze Huilt, Maar Ze Lacht (Better Than Ever / Aflevering 1 / Live)
Ze Huilt, Maar Ze Lacht - Better Than Ever / Aflevering 1 / Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf91a8f1775959fd285c20fe9df8a45b082d5f50c6f81ae8997916fb0ead9068d. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/NLUM72101085.