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 0xd9883c8253969c5a725340c48f6c4835600a1778e9596439bd0ab9baf571e165. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2dba295e-1843-4c61-976b-176de553a5f7.json and https://artists.proofprofile.net/proofs/artist/2dba295e-1843-4c61-976b-176de553a5f7.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 0x4d983bd76faa3e3c07d336dd0daa0d74fc604284300a76f035316acec29a06e6. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-20T00:27:46Z), 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/BXFA31600009.
Pertinho do Céu: Orações Infantis, Vol. 1
Pertinho do Céu: Orações Infantis, Vol. 2
Pertinho do Céu: Orações Infantis, Vol. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50d44022f9ef2d565b6484a24c77369ecf1d0f4e65d9f7b0c1f8a99ed8aad62c. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/BXFA31600010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b41a943977b10895da85f5f3f31a99c36a9f81d56e8de6f1914fc410f598efa. Chain 2 (Bitcoin): anchored in block 958681 (2026-07-19T06:14:54Z), 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/BXFA31600019.
Orações para Cura do Interior: Mergulhando no Profundo Amor de Deus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef4553b82991c7a8b2b0616f23101d83f62209eff2567e6a8b7a01f77a47a401. 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/BXFA31900010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3bbc430b3fe59f17502cef4794b9462059321c807c4831b440d7da9d1513d71. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T10:06:38Z), 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/BXFA32500005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e5713dbd2468be67b1202873a258917665a3c58f7f66fd6311b20daac800cf1. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/BXFA32500004.