1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x35252ab64726d730a4fa08a538acd20edc2194443d0102eba0ea22a613e3dd94. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6e89dde7-9b88-4fd2-aa5b-ac4046dd0cd4.json and https://artists.proofprofile.net/proofs/artist/6e89dde7-9b88-4fd2-aa5b-ac4046dd0cd4.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 → block OTSBitcoinBlock must exist at that height 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 0xf883108c329c2b60c7ea1099c0298d77de72599b2a0aacc8d4d3498761f14ef3. 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/QZDA62561744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f40d2485e7933c1bbd59fc055f4ecb09b5b1d89320e32aa86b09303bbc04c77. 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/QZDA62561746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd65fb6e22bc99c3e04f4c32b5131b6f970ad57348b7284b4b9e99bdaf127b8e8. 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/QZDA62561747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14c9f0ad227f9c8b53547ed7a1a4db862ceb2b651cee7aa118eae4f2d37f270f. 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/QZDA62561748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99e7f3b7d392cdf59b885c70260f82ce9ca60e75da79e3a896d6f40b80ce3a57. 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/QZDA62561749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x744afe0ee1d1af1820e49d0f763c3aff9c0917dd15ccc8f644e7d00a9920a067. 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/QZDA62561751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x570e8a476b61fb36cb0e705c17534478b66fcccb40c274c8ba95bbb7dcc35b58. 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/QZDA62561752.
Disco edicion especial en vivo (En vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8008256f0b0a4daf14ebbfdfb81d6b1d5fe288aa1a3b1603e78256325f273197. 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/QZNWZ2485292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf2f878ed8495cf3d9d822aa8ca1934761752f69013537b256610599385c33f5. 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/QZNWZ2485295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda89ea915bf26cf0023ce9844fb37378658fecc9af7882c62e9ee090cb2daf5d. 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/QZNWZ2485297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x927c22d5a163b0c198313acaac02e0395f3572c3b1f5f2381a4705165cfeec2b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZNWZ2485298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d59036ab4abaf8226c63765fcd3e4d9c6fab199868008e30c817084633513c3. 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/QZES82477418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be4aa3be595b0db9ee2b7d9fa13646cf1f37dbe2ab8fdf4c4a46b486b2c97d5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZES82477420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd59f7e614d1ec5e61b833ef72b124e8158d8a89f7800b32925adcefdabf60e4e. 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/QZES82477421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7829569a243dd197ac568c32276a56aa6e83b45368e11ec08310e1e500e34494. 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/QZES82477422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67b22deaabcfb200982484d8d8163092435f1cb2058cb43bcf407afa7272a871. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/QZES82477423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbca43303baccd17e74f5007e86af031e290c27799c1350134d7de4426f71b3f. 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/QZES82477425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3487d7b0172a0e3e980f8ccf8bfbc5b7e8db59d3c97abc81462e8a010bb2ab2. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/QZES82477426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d142903b24784448a85739db5e83e2799c0d9fe64ebdb0ece695b2d7c8241d. 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/QZK6M2320838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64c6b9570f80e0feccc1b6ab2455a985630aff08deee523f15d6b86233f32073. 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/QZK6M2320840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63a648644a040ac569b19952ee8de09e0a4211d1b5740931ad5dbafeef70d707. 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/QZK6M2320842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0223718d74cca50174004c488f0e06e19590a1084a61daea92b1403e63c8e2. 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/QZK6M2320844.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc69f0c75c9dfb04879a25781f1afe30464c853e4d76c8492018d996af628b0ae. 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/QZK6M2320846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3cca879aa0f7ab497f60822f8d11b18a770e5227d6e0d0b43bda901684a4701. 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/QZWFK2326276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f1a4e0039a700a28d680e95ccb4dcfbb917975e94a49f39fbf1827d4bbbcd52. 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/QZK6Q2299149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94abb46a71e918c6378fb0e8c5e0750bb71c336b695cd0590aa8df0b57f7308b. 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/QZK6Q2299150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb8c599fa2a0c5b2011687f26a0111b174cce9a9882521c911af7ecbeae97fb. 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/QZK6Q2299153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1960e60e266cd35014c1b38cf09c70424891dc2f17237d3bccfba34e4dad5e65. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZK6Q2236192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d1691d2b457d3d9761e59bdd02a8cac929c725edf536ed41a405c407b2f3593. 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/QZK6Q2236031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x536cd9d9d2b03bc41906b7a3eaba3c9a7d32bb7a64d9b4af762df43fd84c3d62. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QZK6Q2236190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf126fd5d4d763d803c31637e6ef7c74cfe58a0e1e3d8b18dd000505633c463ab. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/QZK6Q2258767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26a5c6149b39c0ae89152d25ac399f6d8e628d35b4471fca37159da22e56485. 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/QZHNB2212208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x338847cc825455162664adea4da278b504711bfebc67cc46c485aef3808f5aba. 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/QZHNB2212206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c13d466f5258e5840f9e617e22d0d23e660f17fa42439a81c80dc073e5ed12f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZHNB2210405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae0adfb10a488bc7ea4dfc47f4f9de84c5a264d8a85f240e20e025995c071da8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZK6P2201005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda2f9e500e8059d09380920c983cf2a384a4eafa1ef043fe5621d0e8b06add6f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZK6P2201006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6eed2fb85f6d15fdbe29b117f704038e4ae3df9064359dd147299fc17180515. 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/QZK6P2201007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf6bfdc9157f25e2dc84992f642560ad85e046dca2d2c94d39eaaea4c3a18d06. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/QZK6P2201009.