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 0x1ea4b59ed7beeb698da288abac3c66dcf970665e3f5610ea0f013366ddac398f. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e7773fe4-897c-425a-a95b-e4a00b98d507.json and https://artists.proofprofile.net/proofs/artist/e7773fe4-897c-425a-a95b-e4a00b98d507.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 0x585551a81200b3a522b9e2a0b28a7cf1c498111afa25146bed5c2e9dc7a7e0bd. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/US7VG1766803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1d8e4ee0e5287ba19317c29bd97fe337c64e8428a99222ea3634367b22cb4d2. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/US7VG1766807.
Pra Sempre Vou Te Amar Jesus (Deus de Israel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3014cabc518b6b0d9b5de672575882bfdddb2557441f7190c36917e47c25099c. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/BXKXM1900003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2671fcf43c42c9fde9bba46a7583f2cdc780fc023d9c473b12036c61fd63bb92. 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/BXKXM2100075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91ec71cc48dce1fd57f6ac2fc48ea2db2e21a797d922412ab9b0e70e0945793a. Chain 2 (Bitcoin): anchored in block 958653 (2026-07-19T03:54:23Z), 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/BXKXM2100099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45ee82597672ab07e3243bbb4c21fe4f8aa9e9dd6317c636e7784c14baa30017. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/BXKXM2200016.
Terço Devocional pelas Mãos de Maria: Oração por Cura e Libertação por Intercessão de Nossa Senhora
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeba2bd76089b6bd962089bde6dff435ba19344702781994d991ae3727f6f90c7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/BXKXM2300040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7afe585b9ac090949a12cc17431fd38ecb60f5e4e2eb2cd0c3e0cbfb63d4cf6f. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/BXKXM2400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd77cfcebf89927db36352f927c810fdc64616e2fd4c445458173322c27b2be4d. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T15:38:13Z), 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/BXKXM2400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43cccf1b5af10fc5ad482cf7d6103a40019ccd6e2ac9395455e1daf5d67ed8a1. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/BXKXM2400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x891980e23e717dbac871bf6d1dfbdc0b93043f6b435705cd19add984eb64684d. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/BK22I2500007.
Medley Acústico: Pra Sempre Vou Te Amar Jesus / Dna de Maria (Ao Vivo)