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 0x76c6723c2461dbe1f4a50e6fb4917815e0768f4127d66b6ec840335e689d80cb. 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/da1586df-f79f-4060-a625-d8bfd9814815.json and https://artists.proofprofile.net/proofs/artist/da1586df-f79f-4060-a625-d8bfd9814815.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 0x7f92c8e50cb3f597afb5917ae37173538b5dabba9c0571d9a40878538830d934. 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/0iFxSf5RjiybnVSjofFEBg.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/0iFxSf5RjiybnVSjofFEBg.
I Don't Wanna Wait (DJs From Mars Remix)
I Don't Wanna Wait - DJs From Mars Remix
{"copyright_id":"0x30fe8f3c31ddb1e0a1b5f71a15ee1aeb9f3aca4db6f1c4d9b12bb5fcd55cc40c","isrc":"UKWLG2400039","name":"I Don't Wanna Wait - DJs From Mars Remix","registered_at":"2026-06-04T14:50:07Z","spotify_id":"26BFQTdCiEtyFjXbTpPX1J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30fe8f3c31ddb1e0a1b5f71a15ee1aeb9f3aca4db6f1c4d9b12bb5fcd55cc40c. 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/26BFQTdCiEtyFjXbTpPX1J.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/26BFQTdCiEtyFjXbTpPX1J.
I Don't Wanna Wait - DJs From Mars Remix, Extended
{"copyright_id":"0xce7ac51f6a1e4c86047ee0ed332c54414534c6340f33963aa4af5109f8f30c95","isrc":"UKWLG2400040","name":"I Don't Wanna Wait - DJs From Mars Remix, Extended","registered_at":"2026-06-06T21:07:42Z","spotify_id":"3YnO3Gk9I2AUxPEPJ6eiGf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce7ac51f6a1e4c86047ee0ed332c54414534c6340f33963aa4af5109f8f30c95. 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/3YnO3Gk9I2AUxPEPJ6eiGf.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/3YnO3Gk9I2AUxPEPJ6eiGf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb08a108a1f25bd3a532194648c733cad954ab81db7aa18590f978cdd83deca81. 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/58bUHqde88022yRANmZR4n.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/58bUHqde88022yRANmZR4n.
{"copyright_id":"0x101da5aa3ec277f042b2cb3f0a80ed2d068c4530886a6e84db71df7fbf1337d1","isrc":"UKWLG2200080","name":"I'm Good (Blue) - Djs From Mars Remix","registered_at":"2026-06-04T11:54:56Z","spotify_id":"1LLmT2hZ415NaAz1cmZCBM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x101da5aa3ec277f042b2cb3f0a80ed2d068c4530886a6e84db71df7fbf1337d1. 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/1LLmT2hZ415NaAz1cmZCBM.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/1LLmT2hZ415NaAz1cmZCBM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f419e1b6651ed2166a8be8c04d6fefb3399d29297958281c1277cfd59116b00. 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/7zYULoQXUhlQgNiFGmc1mW.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/7zYULoQXUhlQgNiFGmc1mW.
I’m Good (Blue) [The Complete Collection]
{"copyright_id":"0x101da5aa3ec277f042b2cb3f0a80ed2d068c4530886a6e84db71df7fbf1337d1","isrc":"UKWLG2200080","name":"I'm Good (Blue) - Djs From Mars Remix","registered_at":"2026-06-04T11:54:56Z","spotify_id":"69Qy3fRQM1Em4yoSMC92ti","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x101da5aa3ec277f042b2cb3f0a80ed2d068c4530886a6e84db71df7fbf1337d1. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/69Qy3fRQM1Em4yoSMC92ti.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/69Qy3fRQM1Em4yoSMC92ti.
I'm Good (Blue) - Djs From Mars Remix Extended
{"copyright_id":"0x388888d587f76d47b013fbad45a82c18e18a532cd45fa30e0ff4b14cf6ea9b85","isrc":"UKWLG2200081","name":"I'm Good (Blue) - Djs From Mars Remix Extended","registered_at":"2026-06-21T18:28:48Z","spotify_id":"5BPgM2f6uVSzk4qVIbIeIp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388888d587f76d47b013fbad45a82c18e18a532cd45fa30e0ff4b14cf6ea9b85. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5BPgM2f6uVSzk4qVIbIeIp.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/5BPgM2f6uVSzk4qVIbIeIp.
{"copyright_id":"0x388888d587f76d47b013fbad45a82c18e18a532cd45fa30e0ff4b14cf6ea9b85","isrc":"UKWLG2200081","name":"I'm Good (Blue) - Djs From Mars Remix Extended","registered_at":"2026-06-21T18:28:48Z","spotify_id":"3i9AcH94dYewjkjLDeNwht","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388888d587f76d47b013fbad45a82c18e18a532cd45fa30e0ff4b14cf6ea9b85. 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/3i9AcH94dYewjkjLDeNwht.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/3i9AcH94dYewjkjLDeNwht.
{"copyright_id":"0xfaeba8d4c0a8cf6c1aa88050c7fe9a2ab99cedf73800f0694685dce9ca4bd2e3","isrc":"NLZ542300131","name":"It Doesn't Matter","registered_at":"2026-06-09T23:29:41Z","spotify_id":"5I9JYEaXmKsrHlXsnvNYjd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaeba8d4c0a8cf6c1aa88050c7fe9a2ab99cedf73800f0694685dce9ca4bd2e3. 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/5I9JYEaXmKsrHlXsnvNYjd.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/5I9JYEaXmKsrHlXsnvNYjd.
{"copyright_id":"0x0995bc69894bf1b5779d8cba022d5b224f5549766bf35b9ea4cd47a3edd2f468","isrc":"ITV952300210","name":"Easy On My Heart - DJs From Mars Remix","registered_at":"2026-06-18T09:58:37Z","spotify_id":"4SN5IPXirQgK6tShEh1oQ7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0995bc69894bf1b5779d8cba022d5b224f5549766bf35b9ea4cd47a3edd2f468. 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/4SN5IPXirQgK6tShEh1oQ7.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/4SN5IPXirQgK6tShEh1oQ7.
{"copyright_id":"0x811e9461d8d4a6a809712dc05e7c7810f14d665d135b9fbefaf84f72b15022e9","isrc":"ITV952200098","name":"Killing Me Softly - Gabry Ponte Remix","registered_at":"2026-06-07T08:50:27Z","spotify_id":"39VLvotdgSKzaJqwxAhRSo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811e9461d8d4a6a809712dc05e7c7810f14d665d135b9fbefaf84f72b15022e9. 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/39VLvotdgSKzaJqwxAhRSo.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/39VLvotdgSKzaJqwxAhRSo.
DON'T YOU WORRY (feat. Shakira) - David Guetta & DJs From Mars Remix
DON'T YOU WORRY (feat. Shakira) [David Guetta & DJs From Mars Remix]
{"copyright_id":"0xf1a7029496fd933dd25d93f9835c4498062ef0145a91373ea4a1a5e9603c397a","isrc":"USSM12207522","name":"DON'T YOU WORRY (feat. Shakira) - David Guetta & DJs From Mars Remix","registered_at":"2026-06-04T12:27:49Z","spotify_id":"6zBFSxEuqs7604qu2PU392","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1a7029496fd933dd25d93f9835c4498062ef0145a91373ea4a1a5e9603c397a. 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/6zBFSxEuqs7604qu2PU392.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/6zBFSxEuqs7604qu2PU392.
Baby Don't Hurt Me (feat. Coi Leray) - DJs From Mars Remix
Baby Don't Hurt Me (feat. Coi Leray) [DJs From Mars Remix]
{"copyright_id":"0x7cbc945dfbbacf63e26fb4e48279c58c2f54a9282ff780b1af846153c3d4c24a","isrc":"UKWLG2300033","name":"Baby Don't Hurt Me (feat. Coi Leray) - DJs From Mars Remix","registered_at":"2026-06-09T13:42:06Z","spotify_id":"6G7ipjxGyTmWXp0Na2QLYi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cbc945dfbbacf63e26fb4e48279c58c2f54a9282ff780b1af846153c3d4c24a. 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/6G7ipjxGyTmWXp0Na2QLYi.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/6G7ipjxGyTmWXp0Na2QLYi.
Baby Don't Hurt Me (feat. Coi Leray) - DJs From Mars Remix Extended
{"copyright_id":"0x8d57158b6fbbb2b8d5ebc74f316030cf118424cbd1760a8912bede021d376a71","isrc":"UKWLG2300034","name":"Baby Don't Hurt Me (feat. Coi Leray) - DJs From Mars Remix Extended","registered_at":"2026-06-25T02:53:55Z","spotify_id":"2fZrI1Yzjd19cpXojgQ55i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d57158b6fbbb2b8d5ebc74f316030cf118424cbd1760a8912bede021d376a71. 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/2fZrI1Yzjd19cpXojgQ55i.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/2fZrI1Yzjd19cpXojgQ55i.
{"copyright_id":"0x8d57158b6fbbb2b8d5ebc74f316030cf118424cbd1760a8912bede021d376a71","isrc":"UKWLG2300034","name":"Baby Don't Hurt Me (feat. Coi Leray) - DJs From Mars Remix Extended","registered_at":"2026-06-25T02:53:55Z","spotify_id":"1uYsBw2dMpxuW1Ws7FJEkC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d57158b6fbbb2b8d5ebc74f316030cf118424cbd1760a8912bede021d376a71. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1uYsBw2dMpxuW1Ws7FJEkC.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/1uYsBw2dMpxuW1Ws7FJEkC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9405585b8104750b082737be17ed849926ed0fedde79f92d20e980615a5ed42b. 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/1YwbgtVDGHtFWvD8x5J6pS.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/1YwbgtVDGHtFWvD8x5J6pS.
Let’s Do It Right - DJ's From Mars Full Vocals Remix