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 0x59a81fc307a5d3a17d770810ed73a9ada17e4372a73c1d5d027503f6e4649bd8. 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/d595f1cc-4e82-4ce6-a4aa-3220f695c4d8.json and https://artists.proofprofile.net/proofs/artist/d595f1cc-4e82-4ce6-a4aa-3220f695c4d8.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 0xff8f0cc830c85d85e79e0d9b2e39c504d17de7a95fd41dc678ae876acdc7c2f0. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/BXAPH1900920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a54e21ef210b27aea6d0171d5bbfb8a800dd79a16292afe98d022b05e1093a7. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/BXAPH1900921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1986a8908d619315532b414f95f6c598f4ba4bdd10adb8b032c4b69cd616a410. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/BXAPH1900922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x619e6084a0992b45d6caaa9109893d60e8920ce8496ac1ff5823efd778e87124. Chain 2 (Bitcoin): anchored in block 958705 (2026-07-19T08:43:25Z), 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/BXAPH1900884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec6caa0fb66ce516df0aabb70e03763085554925de18bc6431d763890be9522. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/BXAPH1900894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x381d8da0e452418b8982125c5c4147f725074a620e44d7a965cb08581b098d1c. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/BXAPH1900949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89af3fa8d6b93105c74a604ac73e3eeabba3e6371f9d9bf226ca32e761d53e60. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/BXAPH1600046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96b1d4738891f3e342f8861addaf0786f29c06fa52b1de20f4e4a86a5b571836. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:44:54Z), 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/BXAPH1600047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82ff8d64bd658dd8321ab6b53cc3c5b28d8cb97d8cc8e934e1576c140e192432. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T14:39:19Z), 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/BXC1C2400023.
Elevo Os Meus Olhos (feat. Ronaldo Bezerra, Gustavo Xavier, Samuel Mendonça, Vinícius Fernandes) - Ao Vivo
Legado 40 Anos - Ato 2 Igreja no Templo (Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b7c71ee618f29ed48a83cc1d0ea607ccfbc361548e528208e0d20c4fd0400b8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/BRDHH1800034.
Comunhão e Adoração 6 (Acústico Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cb618cdfe8056643f4ee04937c5075cf57138bbd10dfd0c53f0ec2bef66bb08. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRAPD0700007.
Orquestra Filarmônica de São Caetano do Sul
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28a8e410526329adac75fa19da80ef6fe89c2a14aa5bb67e1585ecbeacd6a6bb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BRAPD0700012.