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 0xcd07b134af32c19d8d8d168dc270f66430f0c1b88d2282ad162be27eebddd1e5. 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/6d83a8f3-40f0-4679-9ea4-ec914b38a473.json and https://artists.proofprofile.net/proofs/artist/6d83a8f3-40f0-4679-9ea4-ec914b38a473.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xdd31a21f321aa9302f5be36b8bfc87f2eb650683371bbc9c6f3e321dade65aba","isrc":"USTN10422720","name":"Young And Aspiring","registered_at":"2026-06-04T08:08:58Z","spotify_id":"5AcWLXw3J6XVC9Ba6SNB0u","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 0xdd31a21f321aa9302f5be36b8bfc87f2eb650683371bbc9c6f3e321dade65aba. 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/5AcWLXw3J6XVC9Ba6SNB0u.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/5AcWLXw3J6XVC9Ba6SNB0u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ffa5a697d86907b4150b9077cd96c82867e6c0e1980b641efcd262230614b1. 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/5T8sMuNzpxsZlmOKFhGayj.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/5T8sMuNzpxsZlmOKFhGayj.
{"copyright_id":"0x4dcff884481f9e2323efe0dab5ee32927475d6220bf2171f66d4f530e11ff1f8","isrc":"USTN10422718","name":"Reinventing Your Exit","registered_at":"2026-06-01T22:39:08Z","spotify_id":"591vJuuep0gfPhx9p8WPD5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dcff884481f9e2323efe0dab5ee32927475d6220bf2171f66d4f530e11ff1f8. 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/591vJuuep0gfPhx9p8WPD5.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/591vJuuep0gfPhx9p8WPD5.
It's Dangerous Business Walking Out Your Front Door
{"copyright_id":"0x4f20bcbddfc372e2243dbe59d4bdd69731d3b3ee67406d3f1875af16a8873d0f","isrc":"USTN10422717","name":"It's Dangerous Business Walking Out Your Front Door","registered_at":"2026-06-04T05:42:24Z","spotify_id":"6MdAoknD4tWcqYm7J0SQGh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f20bcbddfc372e2243dbe59d4bdd69731d3b3ee67406d3f1875af16a8873d0f. 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/6MdAoknD4tWcqYm7J0SQGh.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/6MdAoknD4tWcqYm7J0SQGh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5985e50d1a538f4c485709b6e1fa95cef26041bd2399d0368dc1cf4432d112. 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/1Kf4N09laoNZfMmvQiIBez.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/1Kf4N09laoNZfMmvQiIBez.
Some Will Seek Forgiveness, Others Escape
{"copyright_id":"0xda9345fc0ca6aa84920ff6ecf82efee9171b98acf4a9a5e7d672cb173ad590c0","isrc":"USTN10422719","name":"Some Will Seek Forgiveness, Others Escape","registered_at":"2026-06-04T12:06:02Z","spotify_id":"3oLullgZ9FsDo6O93nppku","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda9345fc0ca6aa84920ff6ecf82efee9171b98acf4a9a5e7d672cb173ad590c0. 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/3oLullgZ9FsDo6O93nppku.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/3oLullgZ9FsDo6O93nppku.
{"copyright_id":"0xcd5581f739a65e817ac5fb5a31ee31fbb082c74a5adf44230fa71d0226c5d3c8","isrc":"USTN10600064","name":"In Regards To Myself","registered_at":"2026-06-04T09:51:07Z","spotify_id":"3VC4KHC7cRhuG6nYx4f1qj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd5581f739a65e817ac5fb5a31ee31fbb082c74a5adf44230fa71d0226c5d3c8. 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/3VC4KHC7cRhuG6nYx4f1qj.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/3VC4KHC7cRhuG6nYx4f1qj.
{"copyright_id":"0xba0859a5b44c255ef8a8a6b7f0be3511095efa4563e6bfba96fe5ac23fa1d5ed","isrc":"USTN10600065","name":"A Moment Suspended In Time","registered_at":"2026-06-04T11:06:29Z","spotify_id":"1SBceOn4txhXq6Uan8EMPt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba0859a5b44c255ef8a8a6b7f0be3511095efa4563e6bfba96fe5ac23fa1d5ed. 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/1SBceOn4txhXq6Uan8EMPt.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/1SBceOn4txhXq6Uan8EMPt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7af801638e6b2408580dc84d7335583179f27017205fd01d06b4c421bf3f4c7. 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/0qxAdhIIf3S6Nwq88qp8i0.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/0qxAdhIIf3S6Nwq88qp8i0.
{"copyright_id":"0xe8f22853b37d61597c8a309cebc450b3311a289a2d676dd42c766efb8a4992cb","isrc":"USTN10600072","name":"Writing On The Walls","registered_at":"2026-06-01T22:03:48Z","spotify_id":"313yF0VXTCmFFoYEJF7nBQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8f22853b37d61597c8a309cebc450b3311a289a2d676dd42c766efb8a4992cb. 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/313yF0VXTCmFFoYEJF7nBQ.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/313yF0VXTCmFFoYEJF7nBQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2190d9448d66bcd6ad78c9eb5c582cba5d16619a994b00071f1a9f113242a3fe. 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/5bRH9GFQtDYAFgvAh63T6v.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/5bRH9GFQtDYAFgvAh63T6v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4aa36ced4439a8791e4ff6791b28d332eaf4e4324a2eeabc74ea42d137fe522. 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/0Ky4D8Dy9i3NJfB5svu381.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/0Ky4D8Dy9i3NJfB5svu381.
a bulleT w/ my namE On (feat. Underoath)
{"copyright_id":"0x448a3aaefd1fa14a7a2fdadfbc19facc30a2800097ccffb08aa1ee435fa88ef4","isrc":"GBARL2400561","name":"a bulleT w/ my namE On (feat. Underoath)","registered_at":"2026-06-01T14:42:33Z","spotify_id":"2tWhiQJQSTa5WE3eiByOf1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x448a3aaefd1fa14a7a2fdadfbc19facc30a2800097ccffb08aa1ee435fa88ef4. 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/2tWhiQJQSTa5WE3eiByOf1.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/2tWhiQJQSTa5WE3eiByOf1.
{"copyright_id":"0x5f343c4cafa69e0e2fee36ed14d5f0c73ad38aa6e49575aa6e202e6cba7e3b8c","isrc":"USAT22300899","name":"VEN0M (feat. UNDEROATH)","registered_at":"2026-06-05T12:13:25Z","spotify_id":"1aDag9tG1j1TDTtBKEbzLy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f343c4cafa69e0e2fee36ed14d5f0c73ad38aa6e49575aa6e202e6cba7e3b8c. 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/1aDag9tG1j1TDTtBKEbzLy.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/1aDag9tG1j1TDTtBKEbzLy.
{"copyright_id":"0x2c97428e9cc3dca4c95aec8c7d54d6d2ec4d6d9779c414b2903208c6ba9ed0f3","isrc":"USRC12002545","name":"Someone Else - Underoath Remix","registered_at":"2026-06-07T04:35:15Z","spotify_id":"5zKBLSRXoRr94YOvkslsn8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c97428e9cc3dca4c95aec8c7d54d6d2ec4d6d9779c414b2903208c6ba9ed0f3. 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/5zKBLSRXoRr94YOvkslsn8.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/5zKBLSRXoRr94YOvkslsn8.
{"copyright_id":"0x544b80c23fbac846bf375afb9d5f055cc70bb7122121fea12cda89b622a65739","isrc":"US6XF2400101","name":"Demon or Ghost (feat. Underoath)","registered_at":"2026-06-04T12:28:23Z","spotify_id":"6y6hE35ltgZIBXQFIwkIso","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x544b80c23fbac846bf375afb9d5f055cc70bb7122121fea12cda89b622a65739. 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/6y6hE35ltgZIBXQFIwkIso.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/6y6hE35ltgZIBXQFIwkIso.