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 0xbe0b0ac072cec41667ea53839db8884b6aab23f147f85afbf57676ac3d2af2fd. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ef2482b2-470d-4d4b-b6fd-361b90f3ff12.json and https://artists.proofprofile.net/proofs/artist/ef2482b2-470d-4d4b-b6fd-361b90f3ff12.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 0x8d9c4604d8b2066dde12301eb1a1369e4a12908dea29afe4ad841b48413abee9. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T22:13:52Z), 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/QZTPX2171636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d7fbfa853cbc6d577365a6180ae2cb48fd94a4ab3a549e2f0bec803165f8342. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZGLM2292151.
Trem Bão / Do Lado Esquerdo / Tô Ficando Com Ela - Acústico
Estrela Caída / Decisão / Amor Demais - Acústico
Sufocado / Rasgando a Madrugada / No Mesmo Lugar (Acústico)
Querendo Te Encontrar / Fogueira / Olha Amor (Ao Vivo)
Querendo Te Encontrar / Fogueira / Olha Amor - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba7fc74a871c465c902df42c96eadbd2a1e9eb416c2bfbee01671c12caafaae0. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZGLM2545953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a93dd5fd301af36a6e4b19da6bd8dec77eccebc151bf632510559d1f96b133. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/BKMPY2400005.