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 0x23223f9957a3853cb56eca181aea222fdc564d3271e314e3dcb42e7c503c2e30. Chain 2 (Bitcoin): anchored in block 953808 (2026-06-15T16:45:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f3abc97a-2e7a-4aa5-af11-15dab4fd0078.json and https://artists.proofprofile.net/proofs/artist/f3abc97a-2e7a-4aa5-af11-15dab4fd0078.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 0xc0d589990b528e509e3cfc5ea4099e4947679dd350704470fc4fb81ad1bace3c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BCMGB2300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550e6c1238f666b6e93fa2e6c6b4fb04b895bc7445656335924fc0227ef9d0c8. 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/BCMGB2400036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0d589990b528e509e3cfc5ea4099e4947679dd350704470fc4fb81ad1bace3c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/BCMGB2300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd049a33aef60dbcada79a641179f73ebe22004c2b9a4d244467856b0f90bf9fc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BCMGB2400040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe83f7801433fa9672d9c4f041c790ba0982a23e068056fd4a36ba022429666c1. 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/FR10S2351754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f35fffdde19cb8c9a7117c0767c1f29218a04ac46194548c89712fb688043ca. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FR10S2351755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae0a6b8bfb8a04d4a14ac577e9a6dde0d50bf5394f36ac14dad0e06ec6fb7ac9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FR10S2351757.
Jogo da Vida / Instinto Animal - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd417dae739e679a8e1ac61c0b4f85fd7b50ae35ed2ac5b05d079747227ac89a4. 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/BX4ST2300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe340ee6a51f23d5c2990dfb02a18b0efef5abc960f5b221868104b0854e4e6bd. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/BX4ST2300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b7886a01fb7a9201ee60201e8bb3501991f72139851c68b54401dc7065e77b4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/BX4ST2300002.
Instante Mágico / É dez É cem É mil - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550b158410dc54b7fb38968d7497f2bb41ce68dac13b97bc1ecba658b8ccdad9. 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/BX4ST2300004.
Enquanto o Sol Brilhar / Quem sou eu sem ela / Tá com raiva de mim - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8771cc9e37a2bac4fe94bdd8a8833f089d2e0104fa9c1e338c37d213e25fae5e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BX4ST2300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bfc263bf5f822a02f2fcd0beab6b8df075a6f5f214a63ff6df148bf9d9a6429. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-21T17:22:35Z), 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/BX4ST2300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6b16274c0ad50f6c6516577f66c57b5b3996d8693e3c53126c1e22781b04d68. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BX4ST2300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6dc61d2621868881a548d9e3177666fb676d603711cb89defd5b08b33638d0c. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/BX4ST2300009.
Toneladas de paixão / Quando o amor é prá valer / Nunca amei assim - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6022f64a9a03a768d36cbb2e30b10aa08d1f7a8d3d1fe3f28256248147d820c4. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/BX4ST2300010.
Querendo te querer / No limite - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x686e700a44d97a8beafd332a772fdd8658c10d96c5c93c95a7139e934d8cb407. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/BX4ST2300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x574f2d635d5ebfdd538f82c63aa6c24076f69a3d567c0586f3dbb94c37e01bbb. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BX4ST2300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b966705da3d3ec1881cc20c4b366adb3ac2a2e081d473df337ad80425990471. Chain 2 (Bitcoin): anchored in block 959146 (2026-07-22T15:41:47Z), 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/BX4ST2300016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc7ac56cc9bacc5dc9dd8e7fa5d74f1412bae0c9bf7b0c64f6c93ea854c9cbe0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BX4ST2300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed12f3ce5b6b49835718864daf17786ea7b2a123310336f5f22fded994bc4f28. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/BX4ST2300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32dbb0dee5e16d93875bd32de9af4ba5f39f9a45f93c748a9b24613ead819daf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BX4ST2300017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81b4fa873acb8cb5cf46ff45453606ffe7bfa12a943886703fd76b8c042e0649. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/BX4ST2300018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081d45a166bb6633fe4cd0567f7eff8eea10be19fa7de884a17a63ddc9a09794. 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/BX4ST2300019.
Quem Diria Hein / Eclipse Total - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfda9c940f5c05603cba850a0fc659a0ff8bf32abc094639f4ec92c391947c475. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BX4ST2300021.