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 0x81480619820c22fd987952f8ed888e01ce4750bebe7afc390b06aa7c87408992. 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/4c44152a-dda5-476c-ad00-0a39c60ba24f.json and https://artists.proofprofile.net/proofs/artist/4c44152a-dda5-476c-ad00-0a39c60ba24f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x40d618eac10a939d64270095906ed03f107ef78950ed82fe2899d6b0d09f770f. 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/1ZOvc73g5x1QgKkkXEaIP4.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/1ZOvc73g5x1QgKkkXEaIP4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa6ebbecdc16209491aee504f12d3c3df14846a4d8ecc085bc52eaba0ec57613. 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/2l2kCTP91BS8GxBUEJ5q91.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/2l2kCTP91BS8GxBUEJ5q91.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd9f539cf439b20a955529029fc02276289377052ac53c6f90cfcb4a5eb7092. 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/1ljBBK6uIhjuxmL7etHP39.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/1ljBBK6uIhjuxmL7etHP39.
{"copyright_id":"0x7be3bc1934d475ff2af09bad8320b0a0d03d97b94ffeca7c1a93b325fbff5902","isrc":"US83Z1811162","name":"Shanti - Goldcap Remix","registered_at":"2026-06-05T22:31:15Z","spotify_id":"2kQmAiPgeF0Nhlzt0U0MNU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7be3bc1934d475ff2af09bad8320b0a0d03d97b94ffeca7c1a93b325fbff5902. 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/2kQmAiPgeF0Nhlzt0U0MNU.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/2kQmAiPgeF0Nhlzt0U0MNU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x251d736827d5e90b634731157f80cfc5528e681d2935e705f2306e3a133a47fb. 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/55GbRPdo0aqgq9nDE5TMCW.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/55GbRPdo0aqgq9nDE5TMCW.
{"copyright_id":"0x7376ea40bef1ecf119bde1b025b3a3661cbea49230fe59d02d70fad16f995822","isrc":"US83Z1811164","name":"Oriental Tales - Hot Oasis Remix","registered_at":"2026-06-20T08:00:13Z","spotify_id":"6xJKAWZe56aMBuoJBJMAQK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7376ea40bef1ecf119bde1b025b3a3661cbea49230fe59d02d70fad16f995822. 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/6xJKAWZe56aMBuoJBJMAQK.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/6xJKAWZe56aMBuoJBJMAQK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4025479dfb806df3265e708409335606e2d78ecd877a46c5d56776997fbbd1b. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/484xwS79RBOldteJSTAuFT.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/484xwS79RBOldteJSTAuFT.
Sphere of Dreams - Mio & His Flute Remix
{"copyright_id":"0x0341c002f0a26488ee04f8b0e069f29175345dec58ed99f37f47c00db89a2bab","isrc":"DKZVA1962278","name":"Road to Burn","registered_at":"2026-06-06T06:01:56Z","spotify_id":"5EMHr9pFfBJnITGeiQWUTf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0341c002f0a26488ee04f8b0e069f29175345dec58ed99f37f47c00db89a2bab. 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/5EMHr9pFfBJnITGeiQWUTf.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/5EMHr9pFfBJnITGeiQWUTf.
{"copyright_id":"0xb0d6f3ba5e92f8e099ae5d15c8b516b06bc3da19423817b8ab094f014309a3c7","isrc":"DKZVA1962279","name":"Luna, You're Not Alone","registered_at":"2026-06-22T20:07:56Z","spotify_id":"6fSo1UzbJsb4wtSIx70EH0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0d6f3ba5e92f8e099ae5d15c8b516b06bc3da19423817b8ab094f014309a3c7. 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/6fSo1UzbJsb4wtSIx70EH0.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/6fSo1UzbJsb4wtSIx70EH0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x771b01d5eb65d6218f42e7ab38e003b6eb71ae1d08aa6548cbb4826845478209. 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/6XgxqZk4JS5ryZ1UNrkOJj.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/6XgxqZk4JS5ryZ1UNrkOJj.
{"copyright_id":"0xa760d449e51dc71dff9f2e298e467d0448e2e0a60faacb78dae5d7f626df7c15","isrc":"DKZVA1962281","name":"Una Luna Para Dos","registered_at":"2026-06-26T02:25:17Z","spotify_id":"2ZV8XFkHgZKQFIAEk3DLKJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa760d449e51dc71dff9f2e298e467d0448e2e0a60faacb78dae5d7f626df7c15. 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/2ZV8XFkHgZKQFIAEk3DLKJ.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/2ZV8XFkHgZKQFIAEk3DLKJ.
Una Luna Para Dos - Coss & Iorie Crying for Shibuya Remix
{"copyright_id":"0x85a2d571ca9e0f33ecd17d2ed5d394bccc212307569e43320cd0e3bf890efb73","isrc":"DKZVA1962284","name":"Una Luna Para Dos - Coss & Iorie Crying for Shibuya Remix","registered_at":"2026-06-10T01:13:05Z","spotify_id":"5g8TGKHq822qRCQ9FdAuNq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85a2d571ca9e0f33ecd17d2ed5d394bccc212307569e43320cd0e3bf890efb73. 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/5g8TGKHq822qRCQ9FdAuNq.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/5g8TGKHq822qRCQ9FdAuNq.
Una Luna para Dos - Coss & Iorie crying for Shibuya Remix
Looking Stars - Sander & Stephane Salerno Reinterpretation
Song of Motley Love - David Hasert Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3feeeb8900deab41dd78336daaf08e8dafc0cb23cdda89b2ffb2c34e5dba9561. 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/3Yd6WmUjyviDlXlE5sOATK.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/3Yd6WmUjyviDlXlE5sOATK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09a2b1d7080be019c0a6718c320e98da91c7f9e593e2cb64400ff0ea3f7bb588. 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/2i3GQlW6gK4NgSunZlwWnD.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/2i3GQlW6gK4NgSunZlwWnD.
Alpine Grooves Easy Beats 3 (Kristallhütte) (DJ Mix)