{"copyright_id":"0xe4ba2f67def58cefeefbc0da2b58304a01cc3f554be0721e486a5ef3137dc96e","name":"Melanie Hoheisel","registered_at":"2026-06-15T16:41:35Z","symbol":"NIM0768783","token_address":"0xab7554fec2a4921312c50fc50eb1bfe863fa4beb","type":"artist","uuid":"09198edb-adb5-417b-aef9-41b25e2d5aef"}
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 0xe4ba2f67def58cefeefbc0da2b58304a01cc3f554be0721e486a5ef3137dc96e. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/09198edb-adb5-417b-aef9-41b25e2d5aef.json and https://artists.proofprofile.net/proofs/artist/09198edb-adb5-417b-aef9-41b25e2d5aef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xf9f91dc6d53c7245c443ab51b1309b4e6b509119e6a35c08dc3fa72be7ffa13c. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/DEYX82202441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76f09f30b1e413e2a6adb0db12d0ac0a77e7bfc1fa6fa4ee8fa2e99f459bbe4b. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/DEYX82229094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6262dbad121b7604e490d0ad120529636e2e8c1ac5f7150de36320cce23ce39a. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/DEYX82237989.