1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xa993ceca7a13f7b2343774ac8c15ec3aec4aa2b9e06a0096b688007ec34f0447. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/52c4d71e-86b2-41f6-9fdd-155952f7edc2.json and https://artists.proofprofile.net/proofs/artist/52c4d71e-86b2-41f6-9fdd-155952f7edc2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tributo as Almas/ Santo Antônio de Pemba
Tibuto às Almas - Santo Antionio de Pemba
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 → block OTSBitcoinBlock must exist at that height 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 0x1a51c96cc0dcfb2e5a3ec6015806858662046d87d92ffad8c0b7e1be90c7a96b. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/BRCID7500020.
Tributo As Almas/ Santo Antônio De Pemba
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x846c7393db9a6f9575c1ae7ede769465f1eac6642f8476ce6957351164505629. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/FRZ530800003.
O Som dos Terreiros Vol. 3: Pontos de Caboclo, Erê e Preto Velho