{"copyright_id":"0xf875fa695c4aaebb3eb40fedaf3ce8939be21cc41b4f94f24b266ac9cbb6b4bd","name":"Palmera Tropical De Jesus Palmas","registered_at":"2026-06-15T04:24:20Z","symbol":"NIM0681122","token_address":"0x0e7db16a34cc5343e15ef1ef2aed528296289aa1","type":"artist","uuid":"e359e8e8-6ff7-4a9c-adc7-09c38f26c54e"}
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 0xf875fa695c4aaebb3eb40fedaf3ce8939be21cc41b4f94f24b266ac9cbb6b4bd. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e359e8e8-6ff7-4a9c-adc7-09c38f26c54e.json and https://artists.proofprofile.net/proofs/artist/e359e8e8-6ff7-4a9c-adc7-09c38f26c54e.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 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 0x1917b3ebbc35cb4cb42cb16ec0daead84b46dd05556b99445d7d80c3ec41ab64. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QM6DC1569762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab8f8c1fc2f88b61744bb5281c3dc1dbe6785718b4306504f9bfc8066e09d473. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QM6DC1569764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1d693e2cf50e70e3551e25e96be42def90fefb6d005f5c88d85e20c309c0ed. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QM6DC1569765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80b16e96ef0a721fd638bf4e450ee95081c5caff381d16ddbce7bbcb9b2539bf. 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/QM6DC1569766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cbc2973b67e1024ac600ff9df1b524792e1f5c27b6aaeb31a7920243273617e. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/QM6DC1569768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1917b3ebbc35cb4cb42cb16ec0daead84b46dd05556b99445d7d80c3ec41ab64. 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/QM6DC1569762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab8f8c1fc2f88b61744bb5281c3dc1dbe6785718b4306504f9bfc8066e09d473. 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/QM6DC1569764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1d693e2cf50e70e3551e25e96be42def90fefb6d005f5c88d85e20c309c0ed. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/QM6DC1569765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80b16e96ef0a721fd638bf4e450ee95081c5caff381d16ddbce7bbcb9b2539bf. Chain 2 (Bitcoin): anchored in block 959355 (2026-07-24T03:24:16Z), 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/QM6DC1569766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cbc2973b67e1024ac600ff9df1b524792e1f5c27b6aaeb31a7920243273617e. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QM6DC1569768.