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 0xf39a8393aa4dce0f6148df09c768d3c356bd0d84b5c8800fc2557ff690e73cbf. 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/586c2b85-59f9-48e5-8c5f-1cd6aeb3172d.json and https://artists.proofprofile.net/proofs/artist/586c2b85-59f9-48e5-8c5f-1cd6aeb3172d.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 0xe1ea49151b709a785121ebf5890426af38e1d19ddb9be692865564853e8d2b67. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/BC3PG2331218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42840fbf1527d86ab82b050b49f71ad0aecab59f08a495378c36d2271187fa09. 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/BC3PG2331378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3c8080ed30f1dd3b29395cbcab01ca11a800d3ecdd75b2cefbe7f196925579. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T09:28:26Z), 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/BC3PG2401714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f0676b737452f21ade73850178130fbfa1f55dcdd3f2230d54239b76f3ee609. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T18:08:43Z), 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/QZMZ92428344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa410c0abeb3e21014967b45be6a17a2f9640354375ea7a9a9a12439bcbc7eac0. 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/BX4IU2409440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x963af81d4ae09642dcd48fff670251f55140ae7f7f18aa4fb0b51e6c6734ba81. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZNJV2416104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3f51ab96f6d007a98907bb8b7567a57de6fcc1957b76241944ecc59bdda6d41. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/QZNJW2485623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc7f4e8f87356ef37a90935d1017460d3b85fe8e8f2ed2e66cef96c703acbe1f. 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/QZNJW2481191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a0dcaca8f6c17764a4b3b3b8d0ecdda2cd16dc8df032c71e68af9c11f36f281. 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/QZNJW2492899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb45d04eafc8b18bfa7b6aea91ac1f070ba4c70f02581833c6b2d04cfaad31108. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/QZNJX2404727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9915c3e68af167fee2a9963a08629157372ce521395da411a63fe0f3628395f3. 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/BX4IU2412998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58af19a683e0503b044816fe5e1f8cd9d1f258c0d1f67713ac4b84be9d33507c. 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/BX4IU2412997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bf75dd89bce5771a4446ce4254116ac23110a8618a099c7021f041dbbd04f84. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/BX4IU2414858.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa996c58e4f89f48117014e53465b98261e80bd805b94bfd177f8b18b38eb8d3b. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), 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/BX4IU2419967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x504019666bf2ee3293c3d7ba51532ab269ef636eb94e26b9541eb2269db1ba08. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZW9K2421763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x792d1721db0d126cdf4d2ace4f9f4b86b7a6c057b7e1b980a795d9b60f335132. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/BX4IU2420568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2053ed2925409a42f84865817b0531e47be3520d88cd90b89833a0ceb6acc0. 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/QZW9L2446282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dc6398a9e373616103b294ff3f4bf22c45ac48270d0ce9d29196186816c840a. 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/BX4IU2421374.
PRA QUE FICAR DE MARRA - VC VAI SENTAR PELADA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1af1f03eb30d4a5b7925e34632d5cbbc7316761bd30b03e7c57d9f0bcb939a0. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/BX4IU2421590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35e634ef792ae29c8bd987228c58905ecb6954f7c1d11512626bd61b8fc685dc. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:29:32Z), 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/BC3PG2500046.
VOU RASPAR SEU BIGODIN vs UM JACARÉZINHO - KIT SALVE DA QUEBRADA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c6cacf43d17d165eebe2e7eadb55caf78e4bd0003dde6787414226850a13cb8. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/BX4IU2502845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a98634cd42dabc75c58bd853572d9fde6ff8ad4417ed1a7ab4baa4eb38d612a. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/BX4IU2502844.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f4bc67f7f9f1e3e8e3e8960eaf880bb4ee1a11cbb7188ca9cc473319c38004d. 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/BK33P2500150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd148e7d0d69a53f5b3c2cdeca71263c6638666ac32e984c81a4d46c2a8a3d85. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), 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/BX4IU2505086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91bf06f76a0a70c87c6a740c109fb13076cb9dcc501612fb1bd715329a523cc9. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/BK89N2500126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc57ec168a45fb15d4f853a0e752c135aa65b1dc7a0198eeb927e5c85576b956. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/BK89N2500074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7783aac2c1a783c0d7de73867a2db3eb002d5a6b8cfc25f4b7181a2d0e538b3. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/BK89N2500162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b9d387f166a33340dba52b72d1cf7b40a6922f01b2688fab071333ad2b11d5c. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T15:18:20Z), 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/BC3PG2502809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02e27db14ce90c46a61be06113f894c69c58bf1c27ac5503dca630e334d42ea2. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/BK89N2500287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90a33d28d1487148c7db9f79e349ebc625ac89f3d2336549fab26400f84cd2db. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:24:14Z), 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/BK89N2500288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb363d1898531b3fee31a6457226c91404bb7f873c020dc82f6658960b362fd0. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T16:06:31Z), 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/BK89N2500289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ebe2129fec4c03245fd286f9332bb85c7ad2f892ef05d7834006a52b43fbe9. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/BK89N2500519.
O Natal Ta Chegando - Senta no Paunetone
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b4c336f8187913c6d825f29f8b173f5a5af31c9a41ebeb55fe85cccddda6e5. 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/BC3PG2401621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8908c349bc2197a8b045724e48d6ca538049c6d3a47f53615d0589d20b0c3298. 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/BKNU22400217.