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 0x444e58691f4608b2077c94fa7b45cb4eb94b7563f26190d08ce346ab97efd38a. 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/429acfd4-97b3-44ce-8851-9bd09af86af5.json and https://artists.proofprofile.net/proofs/artist/429acfd4-97b3-44ce-8851-9bd09af86af5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x8fdca7ce630f27de35e46c49f6ebf30616d3a81c07c7eaf7a11d35ce410eceab","isrc":"DEGA22003228","name":"On Fire","registered_at":"2026-06-20T21:25:10Z","spotify_id":"4e0PHQ7r4S67DlbYCWTV2N","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fdca7ce630f27de35e46c49f6ebf30616d3a81c07c7eaf7a11d35ce410eceab. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4e0PHQ7r4S67DlbYCWTV2N.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4e0PHQ7r4S67DlbYCWTV2N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d66dae5b4a7f08402479e1c9e9b62e74e2529547f26f93fc0ba3b203a0d7967. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00J9g2bfFuzA4iRIeR6k4v.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00J9g2bfFuzA4iRIeR6k4v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee667cb78c4f7aa66049009c5713d6a728d3b799be377cc430d4f02e763525d1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4eQrB2ULqNKaivBv1cDO8r.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4eQrB2ULqNKaivBv1cDO8r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcdb6f355ba1b4253516e9cc3fb84aa0eed8f2ec02fdbca1c5aa56c9461cbc52. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6nZv84SGFxKd9jApaC1DVG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6nZv84SGFxKd9jApaC1DVG.
{"copyright_id":"0x62445a059c4b060c44ccf0e3ff3248ce2414ba4feee1497b2ddf8a881e020de3","isrc":"NLRD52304309","name":"Firing Neurons","registered_at":"2026-06-19T07:37:01Z","spotify_id":"3kl3sf4GamRyGS1IeTdO8X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62445a059c4b060c44ccf0e3ff3248ce2414ba4feee1497b2ddf8a881e020de3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3kl3sf4GamRyGS1IeTdO8X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3kl3sf4GamRyGS1IeTdO8X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfa02939a72b5f16045ce941f961c4cf4154c3e731aa735ecdf6c3ac3871d0f3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3qn4vxOR2wZJaalXpnR1lH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3qn4vxOR2wZJaalXpnR1lH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x128b2bf57f6024a62ca2fda515919d6a98cf524751822391d8ea90080ec9e86e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5wlQmesn68ap4leKIzMeI0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5wlQmesn68ap4leKIzMeI0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e3bcdcd7dfc72be04674af9a5314230033a2294bea80820edae827ba184363f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06uh05Zu2UpLjnH6NydLUL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/06uh05Zu2UpLjnH6NydLUL.
{"copyright_id":"0x42c78debff6ebb7c13fa4ecfc7baf4eedc41ceacf699d1021765285d77e1a1fd","isrc":"NLRD52304329","name":"Far Away","registered_at":"2026-06-07T06:22:43Z","spotify_id":"7kBSg3CM7jQnhBD6D88uJk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42c78debff6ebb7c13fa4ecfc7baf4eedc41ceacf699d1021765285d77e1a1fd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7kBSg3CM7jQnhBD6D88uJk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7kBSg3CM7jQnhBD6D88uJk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfda0d03f53346e580e08a418259faf0685b9f42717cfb580bd73f8194de9b759. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6LZfRz01fF8jMl4GlOadlu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6LZfRz01fF8jMl4GlOadlu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ba1835676b9e2478c1480ca6e6fde907719789ca51695e47f4762564c0fdee5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Kt6fsw47YOzw1YHF9h0Um.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Kt6fsw47YOzw1YHF9h0Um.
{"copyright_id":"0x7ffa8fda4a4d113003330cde5a07f6dd7ddc3b333e63d8502a0c1adb6ad6071f","isrc":"DEGA22303918","name":"Sonorous (DistinctSide Remix)","registered_at":"2026-06-11T02:38:42Z","spotify_id":"4T4EQAuK9cZlkaOWnrfZ0Q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ffa8fda4a4d113003330cde5a07f6dd7ddc3b333e63d8502a0c1adb6ad6071f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4T4EQAuK9cZlkaOWnrfZ0Q.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4T4EQAuK9cZlkaOWnrfZ0Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb01a1671b607cb6df3a82a9db056a5e3ab7b298c17ba4f4778f6519354e8bad7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Cub8ib1MQ3uJ4aHtG9thd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Cub8ib1MQ3uJ4aHtG9thd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9777280e7cb62ae4f2f8d409805aa42e98affcd19aa0437665d582b929c04d57. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6eAexJb8CXWGXnuHzKq7Is.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6eAexJb8CXWGXnuHzKq7Is.
{"copyright_id":"0x8a5e47bca855667b947b3e94e25a2c2cefe2e0b49a22b17afed96b7fc0fdce64","isrc":"NLRD52119671","name":"Shadows - 2023 Edit","registered_at":"2026-06-22T22:37:04Z","spotify_id":"3Ynrh4qEwOdmSAjQ1uQZcX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a5e47bca855667b947b3e94e25a2c2cefe2e0b49a22b17afed96b7fc0fdce64. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Ynrh4qEwOdmSAjQ1uQZcX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Ynrh4qEwOdmSAjQ1uQZcX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e9cc7c94e2c94d8e639e8b8dc65a8709841e1444e68372add4221968b0007b0. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:39:30Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6NQNTsqadSpkSuf3RxuxEB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6NQNTsqadSpkSuf3RxuxEB.
{"copyright_id":"0xc38ae9a398203893543c4870eb19eeeb1f60ecfaca1dab45bf9b5a9953b9eb9d","isrc":"DEGA22303814","name":"Lose Control (Jilax Remix)","registered_at":"2026-06-11T02:42:03Z","spotify_id":"5iOshWLRroyI58UVqTEuI3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc38ae9a398203893543c4870eb19eeeb1f60ecfaca1dab45bf9b5a9953b9eb9d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5iOshWLRroyI58UVqTEuI3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5iOshWLRroyI58UVqTEuI3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ee34c36d82e5fc3a3e9696d32f2eaa852933050a1e92f4fc8e01ef88f095251. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Gw01S26TqTgh3yw3kGNp3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Gw01S26TqTgh3yw3kGNp3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8010328b53f51bfd51170a5e4bab2053660f5f2d8d010444419008955653f0d1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/75PhzoG7Z5qZFsNdcmlyxu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/75PhzoG7Z5qZFsNdcmlyxu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ea8767b3d1421984c12bc48b6887471a52c009160efcdada687ad18b68c89d1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6eibj2ctKHTZfQX9H1ILYn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6eibj2ctKHTZfQX9H1ILYn.
{"copyright_id":"0x530ba1fc6e0fb9811ecc73de06cf94a9890028b9e5fe7fde5b9f039a06900d2d","isrc":"CH7812224608","name":"Come and Go","registered_at":"2026-06-11T04:46:09Z","spotify_id":"7wfSvQfLNFjhlDHqeFy3jh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x530ba1fc6e0fb9811ecc73de06cf94a9890028b9e5fe7fde5b9f039a06900d2d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7wfSvQfLNFjhlDHqeFy3jh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7wfSvQfLNFjhlDHqeFy3jh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc8b32cf1f0d95ef02092d98ddc61bf760539126a5c75f226f1dc0f473bcd47f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3iCmMzhUFzYQpWFchFrDyW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iCmMzhUFzYQpWFchFrDyW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05b2b48e08bc3b3057981fdcab877f38b31d0b459cafe852494d3d6339407b8b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GUhVh1rw0ys9Nwd5dZFVf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GUhVh1rw0ys9Nwd5dZFVf.
{"copyright_id":"0x965afe6415bf0d179c07ae78640a573e181c1fb5a2ad9e902fffe3a7317c0c7a","isrc":"CH7812107298","name":"Submerged - Dirty","registered_at":"2026-06-22T22:27:22Z","spotify_id":"6Ck7yQHH4TEBoObp5NUdlT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x965afe6415bf0d179c07ae78640a573e181c1fb5a2ad9e902fffe3a7317c0c7a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Ck7yQHH4TEBoObp5NUdlT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Ck7yQHH4TEBoObp5NUdlT.
{"copyright_id":"0xc2c799382ef75babe2b1b4b7785c1644dd4c8b89403a6fd55a683b435a7f3cc1","isrc":"DEGA22103514","name":"I Ke Harru - Radio Edit","registered_at":"2026-06-20T03:10:36Z","spotify_id":"0ZsL8tB3G3UPqGGTCINTBU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2c799382ef75babe2b1b4b7785c1644dd4c8b89403a6fd55a683b435a7f3cc1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ZsL8tB3G3UPqGGTCINTBU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ZsL8tB3G3UPqGGTCINTBU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87b485511560e71345d73f3f05b5e8ece36b51f7b328fe8370b23c7a5a289b74. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6CpiAgCsxOXqowI2uZA4aa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6CpiAgCsxOXqowI2uZA4aa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd645f9c17439e5100d9b6a83cab3456749613602876fd76646e902d613fa4478. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4JuKXo8w2t2CIvFYC4kX2k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4JuKXo8w2t2CIvFYC4kX2k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a2f313cc779dd72203564d926a56621409aef19e934cd00286c6a9091ef9b6e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2RunA00L9OF2iI06bdVTnr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2RunA00L9OF2iI06bdVTnr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5662d89718ba42140e259af796acc4ece45f320eb86f9711250ce9c5984b3499. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7G0uDdu7iupRCSupppZz1F.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7G0uDdu7iupRCSupppZz1F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x464e4639c6f7a4ad17870616197ce94b05da5333bf90e078e7e7813b607e6887. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6bNYk1vDZTn93SrBEA6os1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6bNYk1vDZTn93SrBEA6os1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e9e4b3ce18c82a727967ce71827f35bbabbb46f7e795b535ead8196d9eae767. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5LsVkX7M75GZ47dHsqvxsn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5LsVkX7M75GZ47dHsqvxsn.
{"copyright_id":"0xc3a07b6830d23f31db451eaa11a686487aec30e2a6ada780cb8ebaf10dd6b325","isrc":"DEGA22103399","name":"Let Them Go","registered_at":"2026-06-10T02:10:36Z","spotify_id":"6OHebmLomLTOzx0n0OUnTp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a07b6830d23f31db451eaa11a686487aec30e2a6ada780cb8ebaf10dd6b325. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6OHebmLomLTOzx0n0OUnTp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6OHebmLomLTOzx0n0OUnTp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x922ae6e43318e93cb7864abe88b78a4a5796bd6c7dac702da8c7924a9dbe1206. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1CqWQSCoDgbhZnLen3gZhq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1CqWQSCoDgbhZnLen3gZhq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc937ae995525e4c4b661641f1ddc56af243bca16d7cb920e1675a0936565f80a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2GYgX6uqwsbxCiChHYreXi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2GYgX6uqwsbxCiChHYreXi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c6e4c0b6f27914f9c2a231b5903aa6cfd4cbbb17aa03bae462c6e27b9345891. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/34vJS49xbGHyYILxVCuNnM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/34vJS49xbGHyYILxVCuNnM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3feea35e9e50ff6edd701195773264839a64aa597f65a372c82a337852c5c4d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0uM2j5PyHVyjOVXUjGIQAP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0uM2j5PyHVyjOVXUjGIQAP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb91e50e888dad0329f2989703e35fa30504b709956c62b49e43d165669e5a24c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2iU4ZlFm68vUQ5u3Xd4lN3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2iU4ZlFm68vUQ5u3Xd4lN3.
Darker Than Black (Madness Express Remix)
{"copyright_id":"0x4fe54975d0238f748aa539e132bc140f76212f9684da13048a1aac617cefb68b","isrc":"DEKC42200084","name":"Mirror (Jilax & Memento Mori Remix)","registered_at":"2026-06-04T14:06:19Z","spotify_id":"4MH11BUGegtL0UguQ7msJj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fe54975d0238f748aa539e132bc140f76212f9684da13048a1aac617cefb68b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4MH11BUGegtL0UguQ7msJj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4MH11BUGegtL0UguQ7msJj.