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 0x41ae080092c3e5a26b8d58201c8783f1c469e51ff88e9e0573f1aba126c6ae13. 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/f54dda36-7af3-4927-8250-de527b3ee9fb.json and https://artists.proofprofile.net/proofs/artist/f54dda36-7af3-4927-8250-de527b3ee9fb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x8ca7fe4fc2ab736e62bc5aca1484354cf9bfd8615f0d84c97d9cfef25056e836","isrc":"NLT2H2300181","name":"Catch & Release","registered_at":"2026-06-04T07:15:27Z","spotify_id":"6KpdW5ZKyiMXXvqV35TKeg","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 0x8ca7fe4fc2ab736e62bc5aca1484354cf9bfd8615f0d84c97d9cfef25056e836. 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/6KpdW5ZKyiMXXvqV35TKeg.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/6KpdW5ZKyiMXXvqV35TKeg.
{"copyright_id":"0x06f95492bbd1876cc9482ec8dc6f60d7560f9a4dc64b292c571c8406fb7a7d35","isrc":"NLT2H2300940","name":"Now You're Gone - Techno Version","registered_at":"2026-06-07T01:37:45Z","spotify_id":"5dE84VUZ5150CHPyCyjaOG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f95492bbd1876cc9482ec8dc6f60d7560f9a4dc64b292c571c8406fb7a7d35. 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/5dE84VUZ5150CHPyCyjaOG.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/5dE84VUZ5150CHPyCyjaOG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e593e64a7606b503667d74d8a6b57ec32fc21d483ab3169f2baa5bce7027bbc. 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/5EZTX5H86mjQ9Cwdgao8mh.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/5EZTX5H86mjQ9Cwdgao8mh.
Paradise (feat. Coco Bans) - Nexeri Remix
Paradise (feat. Coco Bans) [Nexeri Remix]
{"copyright_id":"0x43dc17fcc82ffa8cf130f0b95c395618e1f276efd699955793353d7cfd143e83","isrc":"NLT2H2100359","name":"Baby I'm On Fire (Nalestar Remix)","registered_at":"2026-06-11T13:34:50Z","spotify_id":"0Fctyx1AFel6xHneNTkmSH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43dc17fcc82ffa8cf130f0b95c395618e1f276efd699955793353d7cfd143e83. 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/0Fctyx1AFel6xHneNTkmSH.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/0Fctyx1AFel6xHneNTkmSH.
{"copyright_id":"0xfb42930ce3730e59c420ccf3acd3e4f698669dc5b9c2f718b448575b0cc2f122","isrc":"NLT2H2300939","name":"Now You're Gone - Sped Up","registered_at":"2026-06-11T12:47:06Z","spotify_id":"6uhTKr4VpWE7IpwVNQXgt3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb42930ce3730e59c420ccf3acd3e4f698669dc5b9c2f718b448575b0cc2f122. 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/6uhTKr4VpWE7IpwVNQXgt3.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/6uhTKr4VpWE7IpwVNQXgt3.
{"copyright_id":"0x7a683a3d72010f042e254b1c23ba0921d13f302f889c53f7b627c3fb2135c20e","isrc":"NLZ542201992","name":"Not Your Only One (feat. Becky Smith)","registered_at":"2026-06-20T19:47:19Z","spotify_id":"6KG0qI1fDqLgFf7eL7MbDq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a683a3d72010f042e254b1c23ba0921d13f302f889c53f7b627c3fb2135c20e. 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/6KG0qI1fDqLgFf7eL7MbDq.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/6KG0qI1fDqLgFf7eL7MbDq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c6b0c47cda0080b303805a2eb1ce50c915538d5218e89289ac6fc68587ccc0. 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/0thGZdI6gOd7C9nF9uzGc5.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/0thGZdI6gOd7C9nF9uzGc5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x493985283ea4b82bdab2ef779724aba79a12b7880416ca99dfc530be05f9e88f. 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/4EG32EX2d7LhQ3fC2S6Fd9.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/4EG32EX2d7LhQ3fC2S6Fd9.
{"copyright_id":"0xd45f4ff6fd57beaba62b192fade64adbe68823d186862ce7ba789500cefa4a7d","isrc":"NLT2H2301013","name":"Just The Way You Are","registered_at":"2026-06-05T13:11:34Z","spotify_id":"1eooX6vQ3YAkLaZ7tgPhxn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd45f4ff6fd57beaba62b192fade64adbe68823d186862ce7ba789500cefa4a7d. 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/1eooX6vQ3YAkLaZ7tgPhxn.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/1eooX6vQ3YAkLaZ7tgPhxn.
{"copyright_id":"0xe3a17393f0d581622a2ec2ea7cc4e27bdfd3786e912b8606fa0f788ffa2dec55","isrc":"NLT2H2300411","name":"What A Wonderful World","registered_at":"2026-06-04T14:48:27Z","spotify_id":"1Op8oMlHhAB4J2M4OOkWg3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3a17393f0d581622a2ec2ea7cc4e27bdfd3786e912b8606fa0f788ffa2dec55. 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/1Op8oMlHhAB4J2M4OOkWg3.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/1Op8oMlHhAB4J2M4OOkWg3.
{"copyright_id":"0x43d634858dea508a0f17e80ed8f68223422dcbad0ceea3a2bef1c8df737b4267","isrc":"NLT2H2301246","name":"No Pain","registered_at":"2026-06-10T05:09:33Z","spotify_id":"7JvL76CjjTEWbNpzvdzNnz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43d634858dea508a0f17e80ed8f68223422dcbad0ceea3a2bef1c8df737b4267. 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/7JvL76CjjTEWbNpzvdzNnz.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/7JvL76CjjTEWbNpzvdzNnz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a28878e22d711dc5a164133815af2ab17277baf4adf8feacff64f33f675101e. 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/6DPJwwte69Os9QS5lzA61a.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/6DPJwwte69Os9QS5lzA61a.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23b8a9cf89e132143201d792d24276381d2d20fc2cf4d71d0ee2710f4825bddf. 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/48b2MXAfivttgVXqJabZyC.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/48b2MXAfivttgVXqJabZyC.