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 0x08572a406aa1da17efe6d547f0cfadb5a1afdaf05a439a6d1f30c6ada30e721e. 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/944288a7-f2fd-4a83-ac13-af376280735c.json and https://artists.proofprofile.net/proofs/artist/944288a7-f2fd-4a83-ac13-af376280735c.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 0xa226b23b5c6dae620b2e39190de8ff74c961cfd3cae9814ba572295a52c4ea64. 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/4D2PtwM3U40QFFBA62I49P.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/4D2PtwM3U40QFFBA62I49P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6563d65ae1b55c469501ad15cd048318139f1712c569b7c0ffd689883a36d57. 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/75hzpFYuH5UIrkvrxFIliO.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/75hzpFYuH5UIrkvrxFIliO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41b57c71764ac70f9e2089eb834a818d2d7c06d7c08068dec8e32811b35dd862. 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/0oEThl1m4VSYqrGz2IHCPs.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/0oEThl1m4VSYqrGz2IHCPs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb11c13a34e2f2dc1756479104c1d0187d794a88954ac6233d491af3664ab1f70. 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/1LrOi9QeG0UEfzLnDCCVuq.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/1LrOi9QeG0UEfzLnDCCVuq.
People of the Night (An21 & Max Vangeli vs. Tiesto) [feat. Lover Lover]
{"copyright_id":"0xeec8a7d14d485feea4e9873b5376b702f5e546c14f03457049cb3b842b786152","isrc":"GBXGT1200215","name":"People of the Night (An21 & Max Vangeli vs. Tiesto) [feat. Lover Lover]","registered_at":"2026-06-25T20:05:32Z","spotify_id":"3mw7CVKm9mtbvMmEz8FPxS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeec8a7d14d485feea4e9873b5376b702f5e546c14f03457049cb3b842b786152. 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/3mw7CVKm9mtbvMmEz8FPxS.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/3mw7CVKm9mtbvMmEz8FPxS.
Bombs Over Capitals (feat. Julie MC Kinight)
H8rs (An21 & Max Vangeli vs. Steve Angello)
{"copyright_id":"0x9ed1696fe6dcc819e017158ffd17bc9aecd9cc93fd175e9b2bd08979e1a4ab1f","isrc":"GBXGT1200219","name":"H8rs (An21 & Max Vangeli vs. Steve Angello)","registered_at":"2026-06-26T23:38:55Z","spotify_id":"71wMqk3D1qciDlUodQyPhh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ed1696fe6dcc819e017158ffd17bc9aecd9cc93fd175e9b2bd08979e1a4ab1f. 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/71wMqk3D1qciDlUodQyPhh.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/71wMqk3D1qciDlUodQyPhh.
Nightfall (An21 & Max Vangeli vs. Michael Woods)
Brunette (An21 & Max Vangeli vs. Moguai)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6034bb670300ba80477744e0e62a63bf66c79c067ad76fb72e07ed5057af292. 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/3Yosq67GSBqGVkPm3O3Iul.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/3Yosq67GSBqGVkPm3O3Iul.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6034bb670300ba80477744e0e62a63bf66c79c067ad76fb72e07ed5057af292. 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/2gU0QdH1YPLF17AYy6vQlV.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/2gU0QdH1YPLF17AYy6vQlV.
{"copyright_id":"0xb01db6f69b7879800457c95b8e2b0f2b2158c6b25edfdb6b7bfbfcbe47119c1c","isrc":"USA2P2344070","name":"Liquid Gold","registered_at":"2026-06-17T07:50:32Z","spotify_id":"3oTrSTz0HFNjiU6r87vNVf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb01db6f69b7879800457c95b8e2b0f2b2158c6b25edfdb6b7bfbfcbe47119c1c. 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/3oTrSTz0HFNjiU6r87vNVf.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/3oTrSTz0HFNjiU6r87vNVf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9523eff7073bab626778835bf8ed904e58b7b23a224882b5866bf986df1b4d7c. 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/3aTNVxSQEN83WqKYQNPLt5.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/3aTNVxSQEN83WqKYQNPLt5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc344161027160021767e132f9fb53187567d5ee24cf7420084fcc0a18243b60. 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/7IhAFeplTB0lK4ndlkdOue.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/7IhAFeplTB0lK4ndlkdOue.
{"copyright_id":"0xb01db6f69b7879800457c95b8e2b0f2b2158c6b25edfdb6b7bfbfcbe47119c1c","isrc":"USA2P2344070","name":"Liquid Gold","registered_at":"2026-06-17T07:50:32Z","spotify_id":"5ePsIL5oYErKR9zvEFjtIr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb01db6f69b7879800457c95b8e2b0f2b2158c6b25edfdb6b7bfbfcbe47119c1c. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:42:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ePsIL5oYErKR9zvEFjtIr.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/5ePsIL5oYErKR9zvEFjtIr.
{"copyright_id":"0xf10408734dd923f17b94efa855d4ca207c67357c614d71e45a30ef9c35d7dbf2","isrc":"USYBL2300482","name":"Love's Not Over - Dawn Edit","registered_at":"2026-06-07T13:17:47Z","spotify_id":"4igakSDtom2NQ54wYfPSOx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10408734dd923f17b94efa855d4ca207c67357c614d71e45a30ef9c35d7dbf2. 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/4igakSDtom2NQ54wYfPSOx.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/4igakSDtom2NQ54wYfPSOx.
{"copyright_id":"0xed1b92a91d90ef5ae052a533135af1e6587a1713f491124cddc8b603ce46fd2e","isrc":"USYBL2202030","name":"No Tomorrow","registered_at":"2026-06-07T07:14:28Z","spotify_id":"1KiKIjnfm2is7U2iBEebda","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed1b92a91d90ef5ae052a533135af1e6587a1713f491124cddc8b603ce46fd2e. 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/1KiKIjnfm2is7U2iBEebda.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/1KiKIjnfm2is7U2iBEebda.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bb3c7cfca19774640b7223ff1fca536633f27356b72d3d238b20d73b9ff4c03. 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/5zbW7lOQKmpA77Jcdg8tkJ.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/5zbW7lOQKmpA77Jcdg8tkJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32f84c3efe98a18ce17853364162a0d5c79c31acd517e01508de7aec6749dfe3. 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/23OWL3WWBVumLIxE8KV0X0.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/23OWL3WWBVumLIxE8KV0X0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9370f43677a7760c6bd0f6b9a4c13f0b993a169349cc2829206ee0e41320068. 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/7jTKXF2CrGqGRl3WoQ1TcH.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/7jTKXF2CrGqGRl3WoQ1TcH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7abdfcb8c95bd9a4a09bc75399170ceac1b4f333c3bd7f36927b5d135a35195. 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/3IVe1NdTWc1dRe6OKCaO2Z.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/3IVe1NdTWc1dRe6OKCaO2Z.
Bombs Over Capitals (feat. Julie McKnight)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11b65303c33a83342f733affd24332e6bd653cfe80c52681258ae09332622f84. 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/5h6Tk8hZNjrTA12XiCNizA.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/5h6Tk8hZNjrTA12XiCNizA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76096797378919e2e57377b351cb574dfadd73a21671b815680e4dedceb1fe37. 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/1pa53ugNFPPnFxXS1nVyau.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/1pa53ugNFPPnFxXS1nVyau.
{"copyright_id":"0x7cf767348e0c9a05d49fbe6f23278efc65b2f37bf6fc306073a820f2da53be97","isrc":"GBJ4B1000003","name":"Swedish Beauty","registered_at":"2026-06-21T23:18:26Z","spotify_id":"5HAbhRwEdlHSJs7D1sbOsU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cf767348e0c9a05d49fbe6f23278efc65b2f37bf6fc306073a820f2da53be97. 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/5HAbhRwEdlHSJs7D1sbOsU.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/5HAbhRwEdlHSJs7D1sbOsU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9931b7e8800641668d221d7858e9afc2891b8ae1ea2563527b8e9ed11b1f5bfb. 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/1ASD8Rh7yDEszYYyfkOb9D.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/1ASD8Rh7yDEszYYyfkOb9D.
The Island - Steve Angello, AN21, Max Vangeli Remix
The Island (Steve Angello, AN21 & Max Vangeli Remix)
{"copyright_id":"0x1c1b59736da098c321b04f382b609d2e0e3a85da99531c89da9471aa865137b1","isrc":"GBAHT1000244","name":"The Island - Steve Angello, AN21, Max Vangeli Remix","registered_at":"2026-06-05T09:06:21Z","spotify_id":"2RS9TJTiHvg0guy8hSmiAF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1b59736da098c321b04f382b609d2e0e3a85da99531c89da9471aa865137b1. 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/2RS9TJTiHvg0guy8hSmiAF.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/2RS9TJTiHvg0guy8hSmiAF.
{"copyright_id":"0xf7601fa706199a27d57c97b2d1c57d2f52b24d621eed5720bd817dd4e73161eb","isrc":"GBXGT1500030","name":"Last Dance (feat. Franz Novotny)","registered_at":"2026-06-08T18:38:21Z","spotify_id":"3vg79UwxyTyBumJriDvYFd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7601fa706199a27d57c97b2d1c57d2f52b24d621eed5720bd817dd4e73161eb. 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/3vg79UwxyTyBumJriDvYFd.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/3vg79UwxyTyBumJriDvYFd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb11c13a34e2f2dc1756479104c1d0187d794a88954ac6233d491af3664ab1f70. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:26:39Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2YQuM5gqWKI4xlHrXQVh83.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/2YQuM5gqWKI4xlHrXQVh83.
Wasted Love (feat. Dougy) - AN21 & Sebjak Remix
{"copyright_id":"0x0ef0ae0caaed5781126fbf1252c32270dd0ef4d16fcca17e4a5e1105673acf23","isrc":"USYBL1401619","name":"Wasted Love (feat. Dougy) - AN21 & Sebjak Remix","registered_at":"2026-06-21T23:17:13Z","spotify_id":"2pnwURYihWpz8zlidB6gqg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ef0ae0caaed5781126fbf1252c32270dd0ef4d16fcca17e4a5e1105673acf23. 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/2pnwURYihWpz8zlidB6gqg.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/2pnwURYihWpz8zlidB6gqg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3faa564dd969509ec5e606795272464c196a99711972e219e6e2c2d9ae7a6c39. 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/3F8YmBlzDMI8tYos2RzPgd.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/3F8YmBlzDMI8tYos2RzPgd.