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 0xad4259810705b782c2e8d3339709d993729eee9f24b2eb55d4a946115702c362. 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/96c6f200-3615-4f17-957e-10aadeb90e32.json and https://artists.proofprofile.net/proofs/artist/96c6f200-3615-4f17-957e-10aadeb90e32.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
(Just Like) Starting Over - Remastered 2010
{"copyright_id":"0x4fdc9026b3faac8e5620a6a424367162dbee558ebb23362c26c0eb033cd673f2","isrc":"USTO11000015","name":"(Just Like) Starting Over - Remastered 2010","registered_at":"2026-06-01T20:47:20Z","spotify_id":"7tqQI7nmRAqX0g8bIYDXmF","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 0x4fdc9026b3faac8e5620a6a424367162dbee558ebb23362c26c0eb033cd673f2. 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/7tqQI7nmRAqX0g8bIYDXmF.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/7tqQI7nmRAqX0g8bIYDXmF.
{"copyright_id":"0xbf63d8960ebf825a418ec99e2cd0a9d81b9ee09c8a08add357df5949b766e22d","isrc":"USTO11000016","name":"Kiss Kiss Kiss - Remastered 2010","registered_at":"2026-06-06T02:14:01Z","spotify_id":"4bf5FSF94FDybKcpMM4mdP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf63d8960ebf825a418ec99e2cd0a9d81b9ee09c8a08add357df5949b766e22d. 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/4bf5FSF94FDybKcpMM4mdP.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/4bf5FSF94FDybKcpMM4mdP.
{"copyright_id":"0x01d723a5f94948be3dbe14e7603ddeecd9ed19893270824cae1c93101146b910","isrc":"USTO11000017","name":"Cleanup Time - Remastered 2010","registered_at":"2026-06-05T11:36:46Z","spotify_id":"6eJofUVk9ivGwORLGB2IzL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01d723a5f94948be3dbe14e7603ddeecd9ed19893270824cae1c93101146b910. 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/6eJofUVk9ivGwORLGB2IzL.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/6eJofUVk9ivGwORLGB2IzL.
{"copyright_id":"0xdea945752511f73abc007bc761a7ba8dbd4b36e112738a1c60216d2f1957066f","isrc":"USTO11000018","name":"Give Me Something - Remastered 2010","registered_at":"2026-06-07T12:09:25Z","spotify_id":"2kf7gE9hDTNA7ptQ7UWnTo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdea945752511f73abc007bc761a7ba8dbd4b36e112738a1c60216d2f1957066f. 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/2kf7gE9hDTNA7ptQ7UWnTo.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/2kf7gE9hDTNA7ptQ7UWnTo.
{"copyright_id":"0x4c8528cfdf1ff192d326059d32ac697e349f68cc2a4eab708fa8e9cb5d56c944","isrc":"USTO11000019","name":"I'm Losing You - Remastered 2010","registered_at":"2026-06-04T12:39:05Z","spotify_id":"0UPrJwM3KIQNMhyHCQIBt9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c8528cfdf1ff192d326059d32ac697e349f68cc2a4eab708fa8e9cb5d56c944. 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/0UPrJwM3KIQNMhyHCQIBt9.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/0UPrJwM3KIQNMhyHCQIBt9.
{"copyright_id":"0x6c3aa40b174a7a7e2a2f878892141d9cc8e51540ebbd1e151f94f005d7ba433f","isrc":"USTO11000020","name":"I'm Moving On - Remastered 2010","registered_at":"2026-06-07T06:10:33Z","spotify_id":"1is52XCDuauuzc0wQCRcfq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c3aa40b174a7a7e2a2f878892141d9cc8e51540ebbd1e151f94f005d7ba433f. 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/1is52XCDuauuzc0wQCRcfq.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/1is52XCDuauuzc0wQCRcfq.
Beautiful Boy (Darling Boy) - Remastered 2010
{"copyright_id":"0x25c795a5100d052cb22ae4eacef2f604027bffb9742adaa20b9c66264c2fcfb5","isrc":"USTO11000021","name":"Beautiful Boy (Darling Boy) - Remastered 2010","registered_at":"2026-06-01T05:52:18Z","spotify_id":"5URfZHMlUWTWxPvvSBWcPk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c795a5100d052cb22ae4eacef2f604027bffb9742adaa20b9c66264c2fcfb5. 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/5URfZHMlUWTWxPvvSBWcPk.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/5URfZHMlUWTWxPvvSBWcPk.
{"copyright_id":"0xcf0021d386fef6ed1a25b146f5cb4e2c902d72fa2793671254814bfd267e55a6","isrc":"USTO11000022","name":"Watching The Wheels - Remastered 2010","registered_at":"2026-06-02T14:43:50Z","spotify_id":"26Kw6zBo3Uy98q5LTlFfVJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf0021d386fef6ed1a25b146f5cb4e2c902d72fa2793671254814bfd267e55a6. 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/26Kw6zBo3Uy98q5LTlFfVJ.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/26Kw6zBo3Uy98q5LTlFfVJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3568d2830e3cfa74cf028b22a68d0e08971cef60d3b7c7199770a2d935016af6. 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/6zNfdm9rz8yNeL8B6mCwrQ.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/6zNfdm9rz8yNeL8B6mCwrQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc38ee1503d14a5b0dd1e0c8f451ecfd843f0ecd436c9cfd13d07ad7c7b25e823. 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/1BrbXIJ7b161oQ0PfC0K32.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/1BrbXIJ7b161oQ0PfC0K32.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fb9512a3fc89f9145f57a102900b957441ed8da3be56a6874be858429435f35. 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/7KgI8baVpkFw0LZac7Txx3.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/7KgI8baVpkFw0LZac7Txx3.
{"copyright_id":"0x1e99ac63efad6f0fdbf49e425edaf678649b0c6b2084666c34ac658c46d7529f","isrc":"USTO11000026","name":"Dear Yoko - Remastered 2010","registered_at":"2026-06-05T20:28:01Z","spotify_id":"4DOotseelwjpEy2ofZy3Pe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e99ac63efad6f0fdbf49e425edaf678649b0c6b2084666c34ac658c46d7529f. 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/4DOotseelwjpEy2ofZy3Pe.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/4DOotseelwjpEy2ofZy3Pe.
Every Man Has A Woman Who Loves Him - Remastered 2010
{"copyright_id":"0xba98557e4d60ddf0a369c056cdbd4010b94fa98787eea949bd26293e129bcdb7","isrc":"USTO11000027","name":"Every Man Has A Woman Who Loves Him - Remastered 2010","registered_at":"2026-06-06T15:43:35Z","spotify_id":"24ooSJNSbPMfKxxfeHF48S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba98557e4d60ddf0a369c056cdbd4010b94fa98787eea949bd26293e129bcdb7. 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/24ooSJNSbPMfKxxfeHF48S.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/24ooSJNSbPMfKxxfeHF48S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x115792f81b9432cca575708331a3ca1c7e8f86d71e2d74663e9909f621e81014. 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/2nrigPYVLd2laXZOSjUmq8.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/2nrigPYVLd2laXZOSjUmq8.
Happy Xmas (War Is Over) - Remastered 2010
{"copyright_id":"0xd3e8f5d2822bbd1e5dcda5f8a94e5fe8d65fe60b3865923f52808c9bcf6af1cc","isrc":"GBAYE1000862","name":"Happy Xmas (War Is Over) - Remastered 2010","registered_at":"2026-06-01T10:42:03Z","spotify_id":"27RYrbL6S02LNVhDWVl38b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3e8f5d2822bbd1e5dcda5f8a94e5fe8d65fe60b3865923f52808c9bcf6af1cc. 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/27RYrbL6S02LNVhDWVl38b.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/27RYrbL6S02LNVhDWVl38b.
A Real Treat - Live At The BBC For "Pop Go The Beatles" / 25th June, 1963
{"copyright_id":"0x65c1eada263beaef0f5b597ccba01a337a9bc68180477dafc0a64db86349ad5e","isrc":"GBUM71306135","name":"A Real Treat - Live At The BBC For \"Pop Go The Beatles\" / 25th June, 1963","registered_at":"2026-06-07T12:55:58Z","spotify_id":"3PbfhMu7zctIe6ayA8uZAN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65c1eada263beaef0f5b597ccba01a337a9bc68180477dafc0a64db86349ad5e. 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/3PbfhMu7zctIe6ayA8uZAN.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/3PbfhMu7zctIe6ayA8uZAN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe972f7b9133dd9199f94efdd5f6aad147c7d9a018f52cb46a7187396be7a80bc. 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/6Sysl8Qz8Sw8p4yM6LWIhk.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/6Sysl8Qz8Sw8p4yM6LWIhk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x186da383b6a700d73b9c42c00eae6eeb8461427b96a6ccf76fea1f812a6143de. 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/29WGO0HhFtMEXrRYZXxS6u.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/29WGO0HhFtMEXrRYZXxS6u.
John - Pop Profile - Live At The BBC / 30th November, 1965
{"copyright_id":"0x65b7d6ae746a2b330c27c1339aff0b86e7ab1411a90870d73b8b2b3f5883b09d","isrc":"GBUM71306156","name":"John - Pop Profile - Live At The BBC / 30th November, 1965","registered_at":"2026-06-19T09:28:51Z","spotify_id":"5u5MSuBTlh364jDMzcyTWN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b7d6ae746a2b330c27c1339aff0b86e7ab1411a90870d73b8b2b3f5883b09d. 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/5u5MSuBTlh364jDMzcyTWN.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/5u5MSuBTlh364jDMzcyTWN.
Brian Bathtubes - Live At The BBC For "Saturday Club" / 21st December, 1963
{"copyright_id":"0x24aa7e270306d3a120deb66737473750c888d71c7ee2036f1df47bccf7c30ccc","isrc":"GBUM71305868","name":"Brian Bathtubes - Live At The BBC For \"Saturday Club\" / 21st December, 1963","registered_at":"2026-06-20T23:23:32Z","spotify_id":"3xohbni06d89qSDGtITdlo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24aa7e270306d3a120deb66737473750c888d71c7ee2036f1df47bccf7c30ccc. 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/3xohbni06d89qSDGtITdlo.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/3xohbni06d89qSDGtITdlo.
If I Wasn’t In America - Live At The BBC For "Saturday Club" / 15th February, 1964
{"copyright_id":"0x20015eb03f319732c3422bf5177f3f46d7f55831aef6d3915ffa1b6b900122b4","isrc":"GBUM71306155","name":"If I Wasn’t In America - Live At The BBC For \"Saturday Club\" / 15th February, 1964","registered_at":"2026-06-20T23:24:48Z","spotify_id":"4lMMyBziWO4BySGjoZFvwt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20015eb03f319732c3422bf5177f3f46d7f55831aef6d3915ffa1b6b900122b4. 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/4lMMyBziWO4BySGjoZFvwt.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/4lMMyBziWO4BySGjoZFvwt.
{"copyright_id":"0xaffa0f681735bbfefe7382eacc1ffb8c17f0a11bbcf8eac1732c1deb8bae7840","isrc":"GBBBA0941800","name":"In My Life","registered_at":"2026-06-21T22:04:53Z","spotify_id":"6NcoeuoaLiV0D36iZO9OFL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaffa0f681735bbfefe7382eacc1ffb8c17f0a11bbcf8eac1732c1deb8bae7840. 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/6NcoeuoaLiV0D36iZO9OFL.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/6NcoeuoaLiV0D36iZO9OFL.
Classic Rock Acoustic Instrumental Covers
{"copyright_id":"0xe5078bee5cc0c2ae92bb6354b29855e0adfd400d8d6544e4fa6c85ca54fb55fd","isrc":"UKUZW2002037","name":"Come Together (Arr. for Guitar)","registered_at":"2026-06-21T20:03:41Z","spotify_id":"6yMkTXVNpRER2lk1plwEW2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5078bee5cc0c2ae92bb6354b29855e0adfd400d8d6544e4fa6c85ca54fb55fd. 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/6yMkTXVNpRER2lk1plwEW2.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/6yMkTXVNpRER2lk1plwEW2.
I Want to Hold Your Hand (Arr. for Guitar)
{"copyright_id":"0x1718c5c6e8abefee8f9134ed425d971ac0226ad3cdd9a8c398c35993b38a0af6","isrc":"UKUZW2002053","name":"I Want to Hold Your Hand (Arr. for Guitar)","registered_at":"2026-06-25T15:52:58Z","spotify_id":"1VINX8Iz2PLtmXgOrVzvwC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1718c5c6e8abefee8f9134ed425d971ac0226ad3cdd9a8c398c35993b38a0af6. 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/1VINX8Iz2PLtmXgOrVzvwC.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/1VINX8Iz2PLtmXgOrVzvwC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb87cde074c9942e26cd7793025922038ea4341932ce3e48c8621e825a4705386. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ZHjbWbQTA4n9kYrlRUVGH.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/3ZHjbWbQTA4n9kYrlRUVGH.
{"copyright_id":"0x51208023211feb8d759b5d540fc55911b3d35029071195bfe9afc5c56ff60bb7","isrc":"GBBBC1900113","name":"Across The Universe (Arr. Lawson)","registered_at":"2026-06-05T15:21:04Z","spotify_id":"1xztQHsXKp65PG9UsoKOKn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51208023211feb8d759b5d540fc55911b3d35029071195bfe9afc5c56ff60bb7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1xztQHsXKp65PG9UsoKOKn.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/1xztQHsXKp65PG9UsoKOKn.
Lennon / McCartney: Blackbird / I Will (Arr. for Chorus)