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 0x943c266789484004ac56c42d0881c0101f0e9ac0340cc9e00a092c3736fcf34c. 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/f2695874-271a-4dbd-aa77-3a2a718251d9.json and https://artists.proofprofile.net/proofs/artist/f2695874-271a-4dbd-aa77-3a2a718251d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
What’s The Frequency, Kenneth? - Remastered 2013
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 0xe854847f2083b751b638ee301b033a6cd120c59d15766ba1a397f12116433121. 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/7ywlnXV5O0h8T5pCRUN1f5.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/7ywlnXV5O0h8T5pCRUN1f5.
{"copyright_id":"0x6bac8707bf9c53ca4f8b07647825ae25e7d9a3beed71025d608d72db39b54eaa","isrc":"USC4R1901445","name":"Pete’s Hit","registered_at":"2026-06-21T15:28:54Z","spotify_id":"2NbDtwmJJfa92RXbyJmMr2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bac8707bf9c53ca4f8b07647825ae25e7d9a3beed71025d608d72db39b54eaa. 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/2NbDtwmJJfa92RXbyJmMr2.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/2NbDtwmJJfa92RXbyJmMr2.
{"copyright_id":"0xb897a388f006acda9d1e6e414792c9ed4dd520e3e62a249ef2b21c56ce2d216f","isrc":"USC4R1901460","name":"What’s The Frequency, Kenneth? - Remix","registered_at":"2026-06-09T05:34:46Z","spotify_id":"3MABqiAqMyCdDKrI6o7j5p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb897a388f006acda9d1e6e414792c9ed4dd520e3e62a249ef2b21c56ce2d216f. 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/3MABqiAqMyCdDKrI6o7j5p.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/3MABqiAqMyCdDKrI6o7j5p.
What’s The Frequency, Kenneth? - Live In Chicago / 1995
{"copyright_id":"0x943c5c5517748d1fa677a9db98bd5f5c49aa50c6f328b0ecc1addabf7ca784e4","isrc":"USC4R1901472","name":"What’s The Frequency, Kenneth? - Live In Chicago / 1995","registered_at":"2026-06-26T10:53:38Z","spotify_id":"3ZyIBGNL9AXvC9egoX5sdZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x943c5c5517748d1fa677a9db98bd5f5c49aa50c6f328b0ecc1addabf7ca784e4. 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/3ZyIBGNL9AXvC9egoX5sdZ.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/3ZyIBGNL9AXvC9egoX5sdZ.
{"copyright_id":"0x847abdf79d775e32c3c7b7e79fc88c8df6cedb98e685264bcce97552a1016be1","isrc":"USC4R1901434","name":"Crush With Eyeliner - Remastered","registered_at":"2026-06-04T11:18:39Z","spotify_id":"3uQfQjvDBmGF4L4QzNlB9K","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847abdf79d775e32c3c7b7e79fc88c8df6cedb98e685264bcce97552a1016be1. 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/3uQfQjvDBmGF4L4QzNlB9K.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/3uQfQjvDBmGF4L4QzNlB9K.
{"copyright_id":"0xf39ef7cac6dfad4d2c4dbcae122d01c58b72b909e6185183d9637c1f63b6ff86","isrc":"USC4R1901446","name":"Uptempo Mo Distortion","registered_at":"2026-06-22T15:56:47Z","spotify_id":"3AjHX4yNTsX7Cs8JjSywK2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf39ef7cac6dfad4d2c4dbcae122d01c58b72b909e6185183d9637c1f63b6ff86. 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/3AjHX4yNTsX7Cs8JjSywK2.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/3AjHX4yNTsX7Cs8JjSywK2.
{"copyright_id":"0xb04fd2bbd0d62c2b27b58314f2ea26de97b77e14446b7f4b417bf17787faf41b","isrc":"USC4R1901461","name":"Crush With Eyeliner - Remix","registered_at":"2026-06-06T00:48:34Z","spotify_id":"2a60ugjtxEZwRHltGNgxpm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb04fd2bbd0d62c2b27b58314f2ea26de97b77e14446b7f4b417bf17787faf41b. 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/2a60ugjtxEZwRHltGNgxpm.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/2a60ugjtxEZwRHltGNgxpm.
{"copyright_id":"0x607eef0aedb12a5b8d745e4a1c6859c52c8f3c14f7ccc6ae27bcea789b417be5","isrc":"USC4R1901435","name":"King Of Comedy - Remastered","registered_at":"2026-06-10T11:55:58Z","spotify_id":"5GfqZBA7Tz9Ky4fS3XhnWJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x607eef0aedb12a5b8d745e4a1c6859c52c8f3c14f7ccc6ae27bcea789b417be5. 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/5GfqZBA7Tz9Ky4fS3XhnWJ.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/5GfqZBA7Tz9Ky4fS3XhnWJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00053f11ec9c63e1179bec35b33876c9ea5719cee3c32972b0dd26adff82623b. 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/6VGLwNhZTNCIPI6b21Juii.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/6VGLwNhZTNCIPI6b21Juii.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87bc511ec636763be983f9cc38a4c231dcd1b7585ba12e467f65d1492aeb1493. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WA5SvjJb6wmMvF3Jc9ZH5.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/5WA5SvjJb6wmMvF3Jc9ZH5.
Crush With Eyeliner - Live In Chicago / 1995
{"copyright_id":"0x878318d2c5f92fcedc7735cc51a66d554b416f255f22e1fa9a973338efd11b51","isrc":"USC4R1901474","name":"Crush With Eyeliner - Live In Chicago / 1995","registered_at":"2026-06-28T01:36:01Z","spotify_id":"5BsZNvHDOAYFJl0RQoF4aL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x878318d2c5f92fcedc7735cc51a66d554b416f255f22e1fa9a973338efd11b51. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5BsZNvHDOAYFJl0RQoF4aL.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/5BsZNvHDOAYFJl0RQoF4aL.
I Don’t Sleep, I Dream - Remastered 2013
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8022f5ad18da6708207bb753b8a5e77a6c019b49709103ff1ed944000958f91f. 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/15Mgd0MFRrKyz5XDaaH9tC.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/15Mgd0MFRrKyz5XDaaH9tC.
{"copyright_id":"0x7de7d73e07254848fe1463b7d4a62066700fba81b704ad2bb2982dc4c41edde4","isrc":"USC4R1901448","name":"Harlan County With Whistling","registered_at":"2026-06-23T23:53:58Z","spotify_id":"756pmEYT3td1N3Kbud0qX0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7de7d73e07254848fe1463b7d4a62066700fba81b704ad2bb2982dc4c41edde4. 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/756pmEYT3td1N3Kbud0qX0.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/756pmEYT3td1N3Kbud0qX0.
{"copyright_id":"0x023863de72c383be1550dacc1ee107fe4ede1bb9c1a586d39746d0be7b247783","isrc":"USC4R1901463","name":"I Don’t Sleep, I Dream - Remix","registered_at":"2026-06-27T04:49:42Z","spotify_id":"3Fvr0DOgjroHXInQdcd4P4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023863de72c383be1550dacc1ee107fe4ede1bb9c1a586d39746d0be7b247783. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Fvr0DOgjroHXInQdcd4P4.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/3Fvr0DOgjroHXInQdcd4P4.
Near Wild Heaven - Live In Chicago / 1995
{"copyright_id":"0x6c5cf9e416c78ccee9178ac26182c8d5a0201e5a9d03d0c4fa5a6d5e426635de","isrc":"USC4R1901475","name":"Near Wild Heaven - Live In Chicago / 1995","registered_at":"2026-06-28T01:33:27Z","spotify_id":"3qi9xeJdl7Y1y98Vg9PVjp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5cf9e416c78ccee9178ac26182c8d5a0201e5a9d03d0c4fa5a6d5e426635de. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3qi9xeJdl7Y1y98Vg9PVjp.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/3qi9xeJdl7Y1y98Vg9PVjp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60578db1d7a3601f2ac9486367cd587beaa05cb0fe0e9b168cbc5be2e0726538. 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/4aO9jf4s9DEdDyTniyt4BJ.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/4aO9jf4s9DEdDyTniyt4BJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x073f871a01b0ae650c21a12c54f218c2785b371577b4fc55e7490da7f10282de. 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/1SdkwdJI8aAXmtxjar5unh.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/1SdkwdJI8aAXmtxjar5unh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e3a1c0c680fcd551d6f48928034250a79324630a901920f2d6865329bc71cb. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4BUIcJ5AzYPweua4ELRqfY.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/4BUIcJ5AzYPweua4ELRqfY.
Welcome To The Occupation - Live In Chicago / 1995
{"copyright_id":"0xb059a04fb5aa479d1f7440eb0f09eafb51aca481de316d367ccd2ee06a36e740","isrc":"USC4R1901450","name":"AM Boo","registered_at":"2026-06-28T01:32:08Z","spotify_id":"2iwP3qjmPHYIqNuslSJtN3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb059a04fb5aa479d1f7440eb0f09eafb51aca481de316d367ccd2ee06a36e740. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2iwP3qjmPHYIqNuslSJtN3.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/2iwP3qjmPHYIqNuslSJtN3.
{"copyright_id":"0xfd6f8e871db489dd2e7cc4ac838e9e9af427fcfa4f14d1943b2dad7847c28ebb","isrc":"USC4R1901465","name":"Strange Currencies - Remix","registered_at":"2026-06-04T14:16:28Z","spotify_id":"5p7u8LrRF585A9NAuyiA3S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd6f8e871db489dd2e7cc4ac838e9e9af427fcfa4f14d1943b2dad7847c28ebb. 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/5p7u8LrRF585A9NAuyiA3S.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/5p7u8LrRF585A9NAuyiA3S.
{"copyright_id":"0x952c25948e0b02d02694da5b6c358cac0dfabfa56bec5c1c275c997c19cf28a6","isrc":"USC4R1901438","name":"Strange Currencies - Remastered 2013","registered_at":"2026-06-04T08:30:10Z","spotify_id":"2hSKvY62ov866JemepG5Jl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x952c25948e0b02d02694da5b6c358cac0dfabfa56bec5c1c275c997c19cf28a6. 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/2hSKvY62ov866JemepG5Jl.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/2hSKvY62ov866JemepG5Jl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x777a8c5a32fd1ca6a594679c228d6e58927f9e84a7a5960857a791aebcba8321. 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/3eu2r4V5DnfmDlvq7jAsKr.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/3eu2r4V5DnfmDlvq7jAsKr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x402209a72f6943cd93a1fc3fe67e0ab32a72b1a50e055645a2c52c0df3e9e5ba. 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/57QkqjidFDNE6JtqKu0vrg.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/57QkqjidFDNE6JtqKu0vrg.
{"copyright_id":"0xaf1f6960ce5a0f450f8da190199b68cbcc9ac3da81068beb6bf3b2906da20cc4","isrc":"USC4R1901466","name":"Tongue - Remix","registered_at":"2026-06-28T01:39:27Z","spotify_id":"3Dm0K1rytcqJlGM3wHrm7p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf1f6960ce5a0f450f8da190199b68cbcc9ac3da81068beb6bf3b2906da20cc4. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Dm0K1rytcqJlGM3wHrm7p.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/3Dm0K1rytcqJlGM3wHrm7p.
I Took Your Name - Live In Chicago / 1995
{"copyright_id":"0x37e9fc71c9a9bb216e20ec3f365618b569676cb1a6386769411b447fd8908c31","isrc":"USC4R1901440","name":"Bang And Blame - Remastered","registered_at":"2026-06-04T09:03:25Z","spotify_id":"1xuPsqp5mdZnmODKjeWJEh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37e9fc71c9a9bb216e20ec3f365618b569676cb1a6386769411b447fd8908c31. 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/1xuPsqp5mdZnmODKjeWJEh.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/1xuPsqp5mdZnmODKjeWJEh.
{"copyright_id":"0x36bab2cf52e4eaf1fc7271e8952a43e484fd9417c68eb2b4a61f99bef860bfb1","isrc":"USC4R1901452","name":"Sputnik 1 Remix","registered_at":"2026-06-26T10:50:59Z","spotify_id":"7qrO3Zl3FJ2fJmmjqQJOg5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36bab2cf52e4eaf1fc7271e8952a43e484fd9417c68eb2b4a61f99bef860bfb1. 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/7qrO3Zl3FJ2fJmmjqQJOg5.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/7qrO3Zl3FJ2fJmmjqQJOg5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x441113312709ad72ae1fc770404ae14bb828070e55989c0edd41394561e1659e. 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/63FcQY8b8r6g99ATJkc5bx.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/63FcQY8b8r6g99ATJkc5bx.
Strange Currencies - Live In Chicago / 1995
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ec26701b5197a90062eb19d25f435f999a4264520c6e4c431d913c6bb04a87. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00UDvRoWwWg22KQBINUFO5.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/00UDvRoWwWg22KQBINUFO5.
{"copyright_id":"0x7e3e90b4db09fa2eb23dc3304e9568edbd318109c4f8928d79c4c39e917a9b0f","isrc":"USC4R1901441","name":"I Took Your Name - Remastered","registered_at":"2026-06-11T22:52:21Z","spotify_id":"1iyXzAsaYG7MUMPYtzPZLL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e3e90b4db09fa2eb23dc3304e9568edbd318109c4f8928d79c4c39e917a9b0f. 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/1iyXzAsaYG7MUMPYtzPZLL.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/1iyXzAsaYG7MUMPYtzPZLL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9864c8c4b6a0ab9a194b14fd314b0f19443c1c1b536abe8fc41f1e0554b7525. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6agt7UZUEhD6e7AIKGTQFL.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/6agt7UZUEhD6e7AIKGTQFL.
{"copyright_id":"0xa7bbddc63b624e30d70243d9d637462144c39d12bdbcddee0ed58f3c1d23a0ec","isrc":"USC4R1901468","name":"I Took Your Name - Remix","registered_at":"2026-06-26T10:53:40Z","spotify_id":"3oalXqTEUbwsX0H0APZgtl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7bbddc63b624e30d70243d9d637462144c39d12bdbcddee0ed58f3c1d23a0ec. 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/3oalXqTEUbwsX0H0APZgtl.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/3oalXqTEUbwsX0H0APZgtl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61be094f45e0772f431a8ba137ca57b702e293398098064251c3a0c63624cc9c. 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/3MM5EUefityUwrSCzhIPbC.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/3MM5EUefityUwrSCzhIPbC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c301a14d22b026950eae3321d05791e2aebaa110bd57f1c03ff63718c0c40bc. 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/5jy8oxeT1eiSxxSR9JbRGK.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/5jy8oxeT1eiSxxSR9JbRGK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95792dd907b0d46abc8839cfda8c3f55c8024e5607650fa6979ab13019a895be. 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/3zZd1riGWF2sNMPQ19KxdF.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/3zZd1riGWF2sNMPQ19KxdF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18b20865d311611caee781492ee27826a264ec7ccde55694851357fa2110f631. 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/3OP58Btym84TJXTTlH7N2M.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/3OP58Btym84TJXTTlH7N2M.
{"copyright_id":"0xbeb9dca460d352b1b734a34aab9b43949e1a5b18eea7806ddefc7f41f5fbcd1e","isrc":"USC4R1901455","name":"Rocker With Vocal","registered_at":"2026-06-28T01:33:05Z","spotify_id":"6FpTCxwF4w4O06fTniGTjE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb9dca460d352b1b734a34aab9b43949e1a5b18eea7806ddefc7f41f5fbcd1e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6FpTCxwF4w4O06fTniGTjE.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/6FpTCxwF4w4O06fTniGTjE.
{"copyright_id":"0xbde0f6fe3631883a0e3e62a3e2ba730969228600cba9cc2bc163e8b88933c9fe","isrc":"USC4R1901444","name":"You - Remastered","registered_at":"2026-06-18T08:20:49Z","spotify_id":"50rCniQ9CEAMSKjxsnCSAX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbde0f6fe3631883a0e3e62a3e2ba730969228600cba9cc2bc163e8b88933c9fe. 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/50rCniQ9CEAMSKjxsnCSAX.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/50rCniQ9CEAMSKjxsnCSAX.
{"copyright_id":"0xb994dc1dbbe1bf1bf8869772ceee0c60b8ad012188ff825019272c671a7c1620","isrc":"USC4R1901456","name":"Time Is On Mike’s Side","registered_at":"2026-06-28T01:32:30Z","spotify_id":"5JTXE7dk7UOXVYra1H8ejG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb994dc1dbbe1bf1bf8869772ceee0c60b8ad012188ff825019272c671a7c1620. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5JTXE7dk7UOXVYra1H8ejG.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/5JTXE7dk7UOXVYra1H8ejG.
{"copyright_id":"0xe9d58a003f07140ff942061d2a81157a3d7b8db2e9d9e769ded30b62a29a3312","isrc":"USC4R1605377","name":"Shiny Happy People","registered_at":"2026-06-01T04:51:51Z","spotify_id":"1v2zyAJrChw5JnfafSkwkJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9d58a003f07140ff942061d2a81157a3d7b8db2e9d9e769ded30b62a29a3312. 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/1v2zyAJrChw5JnfafSkwkJ.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/1v2zyAJrChw5JnfafSkwkJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x415a90947e951a5e2cf9fcf6ac1aeef65bf0198d4ac694abc57cc70bc9e9eece. 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/3geRffSf6eAruhg23RkpKV.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/3geRffSf6eAruhg23RkpKV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5305bd7652a2d916643c022180811f184c412f215150ec46cca7faddb6976600. 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/31AOj9sFz2gM0O3hMARRBx.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/31AOj9sFz2gM0O3hMARRBx.
Everybody Hurts - Live at Live 8, Hyde Park, London, 2nd July 2005
{"copyright_id":"0x9d687390bfdb19cfea60c6e394a8249ccc8cafb462df5a5e30e8a1f7042f4a11","isrc":"UK6821903014","name":"Everybody Hurts - Live at Live 8, Hyde Park, London, 2nd July 2005","registered_at":"2026-06-05T07:55:17Z","spotify_id":"7m6uDbnLTypUoUfQAosXMJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d687390bfdb19cfea60c6e394a8249ccc8cafb462df5a5e30e8a1f7042f4a11. 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/7m6uDbnLTypUoUfQAosXMJ.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/7m6uDbnLTypUoUfQAosXMJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cefd54a6666d8fcf5a629d22d72cd9ae1df58008af9b058f54ffe326804c68a. 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/0tWe3qOjWdV2J32j16Vlpc.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/0tWe3qOjWdV2J32j16Vlpc.
Man on the Moon - Live at Live 8, Hyde Park, London, 2nd July 2005
{"copyright_id":"0x2aabb192602f27b2995e91202ddc01e7e00754c9a9655fae9848968a100b3345","isrc":"UK6821903015","name":"Man on the Moon - Live at Live 8, Hyde Park, London, 2nd July 2005","registered_at":"2026-06-07T18:50:49Z","spotify_id":"5elWziEMubCKzAyHtv66PA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aabb192602f27b2995e91202ddc01e7e00754c9a9655fae9848968a100b3345. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5elWziEMubCKzAyHtv66PA.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/5elWziEMubCKzAyHtv66PA.