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 0x4814de3ba8a3fc7d4bfc8831660b831be341d696865f45cabe0c397752537b55. 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/bee7878c-d61f-4c31-bf3d-64665c60b3c0.json and https://artists.proofprofile.net/proofs/artist/bee7878c-d61f-4c31-bf3d-64665c60b3c0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Strobe & Noise - Paskal & Urban Absolutes Remix
{"copyright_id":"0x07290fc2fb36c30edc53ffc6e040775b58444812ab0e4cebefe6659f8b6c44e8","isrc":"DEP961900066","name":"Coffee Talk","registered_at":"2026-06-17T23:36:42Z","spotify_id":"5VtYCoLODjis4zVkuiZBrZ","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 0x07290fc2fb36c30edc53ffc6e040775b58444812ab0e4cebefe6659f8b6c44e8. 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/5VtYCoLODjis4zVkuiZBrZ.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/5VtYCoLODjis4zVkuiZBrZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a50033ac6f6172224e19d7e1ea8a686b4de0af229151d51fd75e3e8053134cf. 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/4v6jgJ98YXYpssmhpaU6Zw.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/4v6jgJ98YXYpssmhpaU6Zw.
{"copyright_id":"0x03c25269bddc4363b80ebad1641b350a5a703d354310b7eaf5f43b0ec4e3a8c4","isrc":"USUR42341801","name":"Cocktail D'Amore (Session Victim Remix)","registered_at":"2026-06-22T03:55:25Z","spotify_id":"3VuAuqbdDdSmIkxSi3w8bu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03c25269bddc4363b80ebad1641b350a5a703d354310b7eaf5f43b0ec4e3a8c4. 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/3VuAuqbdDdSmIkxSi3w8bu.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/3VuAuqbdDdSmIkxSi3w8bu.
{"copyright_id":"0x0daebf62c4455785f05dde4daa081e05f9320380382712ce20f93faddea3ff56","isrc":"USUR42341804","name":"Cosmic Camel (Chico Mann Remix)","registered_at":"2026-06-25T23:10:17Z","spotify_id":"7oOedjHaWEbTNWSeAvR2v9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0daebf62c4455785f05dde4daa081e05f9320380382712ce20f93faddea3ff56. 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/7oOedjHaWEbTNWSeAvR2v9.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/7oOedjHaWEbTNWSeAvR2v9.
Riad De Lister (Emperor Machine Special Extended Vocal Remix)
Tokyo Business (Daniele Baldelli & Marco Dionigi Remix)
Cosmic Camel (Mystic Jungle Desert Version)
Cocktail D’Amore (Mushrooms Project Remix)
Riad De Lister (Emperor Machine Special Extended Dub Remix)
Riad De Lister (Emperor Machine Special Extended Instrumental Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86974daf3645c6440f2fb98a39a65c3a1e072c59b064aaae345d09606fbdc7ab. 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/7k1j2FW1eP42lGrPuk8prR.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/7k1j2FW1eP42lGrPuk8prR.
Toolroom Radio EP362 - Presented by Mark Knight
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca5bebfd1414f80ca792308712cd8f255cc7834dfcb431ed06c3364729c996ec. 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/3fUifXPu7lDJKcrEyL6j4R.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/3fUifXPu7lDJKcrEyL6j4R.
The House Sound of Midnight Riot, Vol. 1
Downtempo Organic Frankfurt 002 (DJ Mix)
I Was Born in the Night - Sangeet Remix - Mixed
Mumbai Sunrise - Slow Nomaden Remix - Mixed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e8c9ea5c6ecb4679074840ba930ced2ab786dea73a6a56ea3f190cf34478bc7. 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/7nHq6fZwBlCqbz4cLhOgdD.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/7nHq6fZwBlCqbz4cLhOgdD.
{"copyright_id":"0x86974daf3645c6440f2fb98a39a65c3a1e072c59b064aaae345d09606fbdc7ab","isrc":"US83Z2128397","name":"El Fuego en Mí","registered_at":"2026-06-06T17:54:11Z","spotify_id":"0Qi3YVzGysfdWBAToqXiG7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86974daf3645c6440f2fb98a39a65c3a1e072c59b064aaae345d09606fbdc7ab. 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/0Qi3YVzGysfdWBAToqXiG7.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/0Qi3YVzGysfdWBAToqXiG7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bda36e6fad2b36428a6411ae95639c3731f9dc6e16ed24c9fb4ac4a6d8c914c. 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/3BWwFojqa6fg9dqZBR7UgU.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/3BWwFojqa6fg9dqZBR7UgU.
{"copyright_id":"0x741a900d4e9d62ac35db8c8cc9b79ba5987a536bbde011a1bbf1ffe8329039be","isrc":"DESH42200108","name":"Wir sind Kinder - Niconé Remix","registered_at":"2026-06-18T14:51:40Z","spotify_id":"2nZVtv3bl3VwU1yQob6DP3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741a900d4e9d62ac35db8c8cc9b79ba5987a536bbde011a1bbf1ffe8329039be. 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/2nZVtv3bl3VwU1yQob6DP3.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/2nZVtv3bl3VwU1yQob6DP3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd43d3b36ad3f17eb2b606777e29943c2e856ccb862f12418a144f7c5fb5c174b. 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/75OXZWS2TiYjnIyu7OHIXd.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/75OXZWS2TiYjnIyu7OHIXd.
{"copyright_id":"0x1b511fd5ae0b2a5a2206224548f7d348a673813c56777da5fc1cceea28b7612e","isrc":"DESH42200110","name":"Mädchen im Mond - Dirty Doering Remix","registered_at":"2026-06-21T18:06:55Z","spotify_id":"69ZGZIW9RvGQeghPL0L4c2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b511fd5ae0b2a5a2206224548f7d348a673813c56777da5fc1cceea28b7612e. 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/69ZGZIW9RvGQeghPL0L4c2.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/69ZGZIW9RvGQeghPL0L4c2.
{"copyright_id":"0xb8a056838098194a2bdf6c32f17bac4ea3aaa36e59a57b4e130184478babca4d","isrc":"US83Z2210436","name":"Mumbai Sunrise - Slow Nomaden Remix","registered_at":"2026-06-23T09:19:35Z","spotify_id":"0erspXprtyWGrpjbnzGkBm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a056838098194a2bdf6c32f17bac4ea3aaa36e59a57b4e130184478babca4d. 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/0erspXprtyWGrpjbnzGkBm.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/0erspXprtyWGrpjbnzGkBm.
Walking the Road (Incl. Dan Bay & Le Rubrique Remix)
Walking the Road - Dan Bay & Le Rubrique Remix
Walking the Road - Stefan Obermaier Remix
{"copyright_id":"0x8d737ecbe79a21c5c79ee04285524d9fbcc305ada37fd2ce58282b3044ed915c","isrc":"DECY51902465","name":"Children Of The 80s","registered_at":"2026-06-06T06:02:13Z","spotify_id":"5NbOCvspU025M9InOhirMs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d737ecbe79a21c5c79ee04285524d9fbcc305ada37fd2ce58282b3044ed915c. 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/5NbOCvspU025M9InOhirMs.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/5NbOCvspU025M9InOhirMs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4faa82087a30881f7c32c9685c097a46baa70bcb27072733ce19a8ba8c92ffbb. 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/2X7FlQUwDD4O5yDXAPb8pp.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/2X7FlQUwDD4O5yDXAPb8pp.
Bossa #1 - The Late Night Dance Remix by Le Rubrique
{"copyright_id":"0xf0c85c4a2c5f59f7a0c3df01601d1147226a389da318b8a4f6a9d96b43607663","isrc":"DECY51761102","name":"Bossa #1 - The Late Night Dance Remix by Le Rubrique","registered_at":"2026-06-05T12:13:15Z","spotify_id":"4BBIhAwgBPSgU159OF2OzZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c85c4a2c5f59f7a0c3df01601d1147226a389da318b8a4f6a9d96b43607663. 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/4BBIhAwgBPSgU159OF2OzZ.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/4BBIhAwgBPSgU159OF2OzZ.
Bossa #1 - Bossa @ St. Pauli by The Hangout Project
Bossa #1 - The Total Rework by Ugly Drums & Chesney
Les disques du bord de l'eau: Spring EP 2022
La Revolución - Dan Bay & Le Rubrique Remix
{"copyright_id":"0xf0e33a8de323fce2e657bf448ea28c7ac9d47b8e1388f86a59c23e956f69b7ea","isrc":"CHF252200002","name":"La Revolución - Dan Bay & Le Rubrique Remix","registered_at":"2026-06-09T08:51:01Z","spotify_id":"4kBIOHlUw97Kb68y7zhtuZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e33a8de323fce2e657bf448ea28c7ac9d47b8e1388f86a59c23e956f69b7ea. 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/4kBIOHlUw97Kb68y7zhtuZ.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/4kBIOHlUw97Kb68y7zhtuZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5600812f4c49488c699340f823a5ed53f228b3e9852c95b5b49a93db66858492. 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/704lTuttN9Vd8oUiNcreg7.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/704lTuttN9Vd8oUiNcreg7.
{"copyright_id":"0x365bf8e5934a5f730310615f14dca623585bd1f39b00c607f7c542300ed10b0c","isrc":"US83Z2007400","name":"Voodoo Guitar - Timboletti Remix","registered_at":"2026-06-09T08:53:43Z","spotify_id":"73dICB4SbDjpD4ShzTyLM1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x365bf8e5934a5f730310615f14dca623585bd1f39b00c607f7c542300ed10b0c. 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/73dICB4SbDjpD4ShzTyLM1.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/73dICB4SbDjpD4ShzTyLM1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x158f7a7111239393bda2a2c39b720715e48886592855eaf28393b0d8fea33316. 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/34RIbJUr3GCzkxlDfeQaz4.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/34RIbJUr3GCzkxlDfeQaz4.
Junkyard Gods - Ingrid Etos Laughter In The Dark Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57c012e855118e5d88514d44a20ef0e059591737922564f6c4abd100f6f7facc. 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/0O7R9xh2W1phYuVWvB5Ms2.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/0O7R9xh2W1phYuVWvB5Ms2.
Delirio En Fa Menor - Max Graef & Delfonic Remix
Indian Dream - Cafe De Anatolia & Rialians on Earth Remix
{"copyright_id":"0x741a900d4e9d62ac35db8c8cc9b79ba5987a536bbde011a1bbf1ffe8329039be","isrc":"DESH42200108","name":"Wir sind Kinder - Niconé Remix","registered_at":"2026-06-18T14:51:40Z","spotify_id":"4Qwxnx8lvfZv9EyMnU5j6H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741a900d4e9d62ac35db8c8cc9b79ba5987a536bbde011a1bbf1ffe8329039be. 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/4Qwxnx8lvfZv9EyMnU5j6H.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/4Qwxnx8lvfZv9EyMnU5j6H.
One Night in Kerala - Oberst & Buchner Remix
Turquesa - Le Rubrique's Overnight Express Remix