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 0x0513e3276b5ce7a59f42c6c71729e9ca7557796c49090b2176ee7f9ea716160b. 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/399f4e5a-1f07-4770-ad64-5dd78fbd1991.json and https://artists.proofprofile.net/proofs/artist/399f4e5a-1f07-4770-ad64-5dd78fbd1991.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x1f22b7cdb899b41c01d7ed4730d743e81fd89ebd69adae7b74a9157996517ded","isrc":"UKRPL1900182","name":"Body Groove (feat. Crystxl King)","registered_at":"2026-06-04T10:25:19Z","spotify_id":"2sW3snLTi77h0rm4g9tDuD","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 0x1f22b7cdb899b41c01d7ed4730d743e81fd89ebd69adae7b74a9157996517ded. 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/2sW3snLTi77h0rm4g9tDuD.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/2sW3snLTi77h0rm4g9tDuD.
I Was Lovin' You (feat. Dots Per Inch & Ayak)
{"copyright_id":"0x1f22b7cdb899b41c01d7ed4730d743e81fd89ebd69adae7b74a9157996517ded","isrc":"UKRPL1900182","name":"Body Groove (feat. Crystxl King)","registered_at":"2026-06-04T10:25:19Z","spotify_id":"06Wu9mr9IUCxQwodRwqSMm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f22b7cdb899b41c01d7ed4730d743e81fd89ebd69adae7b74a9157996517ded. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06Wu9mr9IUCxQwodRwqSMm.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/06Wu9mr9IUCxQwodRwqSMm.
{"copyright_id":"0xa55c4f0d6820faae2c2c05fc7502d4008a2fc2261717ee9510641f14d9a50a48","isrc":"UKRPL1900022","name":"Outta My Head","registered_at":"2026-06-21T20:24:32Z","spotify_id":"3BwERngDRECbwLLApc9kpP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa55c4f0d6820faae2c2c05fc7502d4008a2fc2261717ee9510641f14d9a50a48. 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/3BwERngDRECbwLLApc9kpP.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/3BwERngDRECbwLLApc9kpP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba8f98e596ad3a5568c67ae5b85c8c3d3f13a3c8a97cd498b1ae240a78029953. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6GZZykIOLX4qajCS4oo5UK.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/6GZZykIOLX4qajCS4oo5UK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x177422005a064f3dbbade388605a742a8e57b8cd2b084d37c66add34c2c0c6e5. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0wxq9HTCYSe2c8HRr2RTau.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/0wxq9HTCYSe2c8HRr2RTau.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2730990320f474b3fe12fefda112c5f4c917abad4356d6f18537013452b31e54. 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/3aLoErMHHrty1vln58Stwd.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/3aLoErMHHrty1vln58Stwd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0abba5927c413bd3935ed533c2aea3ccdc015ed31df5ca51cdda15fb91b99fe3. 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/0TXcs20bOg7AuAFWLCNRLk.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/0TXcs20bOg7AuAFWLCNRLk.
{"copyright_id":"0xd7a97f6a72906fa15fb963d197a5b6ae434c3276393f755cf88f439f3b8bbdee","isrc":"UKRPL1900362","name":"Feel Good (Ben Rainey Remix)","registered_at":"2026-06-19T15:23:58Z","spotify_id":"78qHLqE6oTiiLcvGMnTV6j","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7a97f6a72906fa15fb963d197a5b6ae434c3276393f755cf88f439f3b8bbdee. 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/78qHLqE6oTiiLcvGMnTV6j.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/78qHLqE6oTiiLcvGMnTV6j.
{"copyright_id":"0x12cd9b46f981a6fb06efb8d91b28595b9dd11cf65820f9b83b227c73c2968485","isrc":"UKRPL1900304","name":"Million Dollar Bill","registered_at":"2026-06-07T15:58:59Z","spotify_id":"1yMiWeXGEG6aXinKjbBbu9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12cd9b46f981a6fb06efb8d91b28595b9dd11cf65820f9b83b227c73c2968485. 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/1yMiWeXGEG6aXinKjbBbu9.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/1yMiWeXGEG6aXinKjbBbu9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x985cd1f9a3a8976e8f5a91f521f4208547eb659b1dff5164c6b0b2af04100810. 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/6CyCwJCq2fSMmrRCAFrvvc.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/6CyCwJCq2fSMmrRCAFrvvc.
Tell Me (feat. Liam Craig) - WYLES Remix
{"copyright_id":"0x502f638c055612c96b13b192b9bb4eeae919d7bb6c8c7e08e703771fac72a7fc","isrc":"UKRPL1900163","name":"Tell Me (feat. Liam Craig) - WYLES Remix","registered_at":"2026-06-25T12:02:53Z","spotify_id":"362w0qp8EbXJr9iGuAwLeN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x502f638c055612c96b13b192b9bb4eeae919d7bb6c8c7e08e703771fac72a7fc. 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/362w0qp8EbXJr9iGuAwLeN.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/362w0qp8EbXJr9iGuAwLeN.
Tell Me (feat. Liam Craig) - THAT KIND Remix
Tell Me (feat. Liam Craig) - 4AM Blitz Mix