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 0x22acf2dc0e6bda12dca6cb92725e29c6a327d922fa487b018aa64efbf4c81c36. 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/0c3bcaba-8648-41d7-971c-80fb50dea8d1.json and https://artists.proofprofile.net/proofs/artist/0c3bcaba-8648-41d7-971c-80fb50dea8d1.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 0x002309dda120a62bc1939ac921cf79d14b742595684dd52a98b886b83d0e5772. 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/1JxoQ5HMjaHJlBiq6aXoC2.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/1JxoQ5HMjaHJlBiq6aXoC2.
Soy Como Soy - Rodrigo Gallardo Remix - Mixed
Enchanted Eve - KlangDruide Remix - Mixed
{"copyright_id":"0x541f86288d6037e8ae87545e4a2993b0e5d48d4ec1222b41a8cf8bf373e355c8","isrc":"US83Z2329487","name":"Enchanted Eve - KlangDruide Remix - Mixed","registered_at":"2026-06-23T09:17:21Z","spotify_id":"7wZaeKQuAAEwxRduDWItqf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x541f86288d6037e8ae87545e4a2993b0e5d48d4ec1222b41a8cf8bf373e355c8. 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/7wZaeKQuAAEwxRduDWItqf.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/7wZaeKQuAAEwxRduDWItqf.
{"copyright_id":"0x860a76da46ff2b08fa9bcd46d0d13f224b23551d80e2bf49c3aefaca9d16cee3","isrc":"QZQAY2444157","name":"By Myself","registered_at":"2026-06-04T14:58:01Z","spotify_id":"2rlhlo2GJiQ9M2jMkWuqa4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x860a76da46ff2b08fa9bcd46d0d13f224b23551d80e2bf49c3aefaca9d16cee3. 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/2rlhlo2GJiQ9M2jMkWuqa4.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/2rlhlo2GJiQ9M2jMkWuqa4.
{"copyright_id":"0xbf72d3c286e8aa8407bad1b5213e6835dc80f68bef5ed674a9cfc69a4c5be21c","isrc":"US83Z2297116","name":"Quedate Luna","registered_at":"2026-06-19T12:15:45Z","spotify_id":"5HoOVG06sj1TUcdCpk5PDj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf72d3c286e8aa8407bad1b5213e6835dc80f68bef5ed674a9cfc69a4c5be21c. 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/5HoOVG06sj1TUcdCpk5PDj.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/5HoOVG06sj1TUcdCpk5PDj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd79aed3e90b48d2a03eee29c6aa2d1d0ca08b32e9975e6d63e070c5856b443e4. 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/5k05nlZM69cNIumkeahNMx.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/5k05nlZM69cNIumkeahNMx.
{"copyright_id":"0xf302a718ec524c1ced8d2696e2f794fe86b5614e29cd8ce45beae77aa91c5d73","isrc":"US83Z2304354","name":"Estrela Do Mar - Turu Anasi Remix","registered_at":"2026-06-18T00:16:38Z","spotify_id":"5XlDikbW3uAkQsgQSgcmK1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf302a718ec524c1ced8d2696e2f794fe86b5614e29cd8ce45beae77aa91c5d73. 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/5XlDikbW3uAkQsgQSgcmK1.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/5XlDikbW3uAkQsgQSgcmK1.
{"copyright_id":"0x7082f6f5e8eb2e724be3ea9e2180d6e9c51585f56e2198c63fe5d415f885e348","isrc":"US83Z2200913","name":"Esta Noches - Rialians on Earth Remix","registered_at":"2026-06-11T19:34:31Z","spotify_id":"1TOllqtnq92ABE6M7pS1bv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7082f6f5e8eb2e724be3ea9e2180d6e9c51585f56e2198c63fe5d415f885e348. 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/1TOllqtnq92ABE6M7pS1bv.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/1TOllqtnq92ABE6M7pS1bv.
It's Still Love - Mafia Natives Deeper Club Mix
Urfa`nin Etrafi Dumanli Daglar - Anatolian Sessions Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18c0eef67d0750f7485afa5c3957c0a60fb4ff35eb87b9f81de086558be3bd67. 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/4uqoW67gLlSGK3q627855N.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/4uqoW67gLlSGK3q627855N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbaf7e047fb43b3354cc2041f7a75341271bb7c8fdaecab04f91254ceb8b3cce. 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/0Q3dJttX9WCrWhXa9oJ2H7.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/0Q3dJttX9WCrWhXa9oJ2H7.
{"copyright_id":"0x54f17181278000f2907ce776933d5b30a29937b87f983d84e67ad5b5dc0cea14","isrc":"GBKQU2413279","name":"Lonely Nights - Aaron Sevilla Remix","registered_at":"2026-06-10T20:31:23Z","spotify_id":"3lw6Lcn06CQSHEMaaDI5Ch","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54f17181278000f2907ce776933d5b30a29937b87f983d84e67ad5b5dc0cea14. 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/3lw6Lcn06CQSHEMaaDI5Ch.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/3lw6Lcn06CQSHEMaaDI5Ch.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d28e874652704059671f2d0821fb5e2395c648a3e94c10dd52008a8727fa78e. 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/0VkaydVLXH6ALHr5uXuNJK.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/0VkaydVLXH6ALHr5uXuNJK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc50ecbaecc4dcd717d4298748b8b8cd518bd47d1a74b1ac5d396cd58db54e6ff. 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/6aZNOaOSqlgprLuNGmrIfD.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/6aZNOaOSqlgprLuNGmrIfD.
{"copyright_id":"0xc2bd66b67f1b80f4f1f686c95af37759c0be7a2d9b246f8894c06fe4890e3fde","isrc":"GRSCM2300010","name":"Mektoub - Scorpios Edit","registered_at":"2026-06-11T05:35:44Z","spotify_id":"2lYM2TQDUCKQM2zraEGgWj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2bd66b67f1b80f4f1f686c95af37759c0be7a2d9b246f8894c06fe4890e3fde. 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/2lYM2TQDUCKQM2zraEGgWj.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/2lYM2TQDUCKQM2zraEGgWj.
{"copyright_id":"0x64ca90cd74ab1595ea4baeaa137cec1e0ca4dc81d21e705d243db2b3e37e0961","isrc":"GRSCM2300011","name":"Mektoub - Jean Claude Ades Remix","registered_at":"2026-06-05T21:27:59Z","spotify_id":"49BOP67HopiyMNbvBgtWux","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ca90cd74ab1595ea4baeaa137cec1e0ca4dc81d21e705d243db2b3e37e0961. 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/49BOP67HopiyMNbvBgtWux.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/49BOP67HopiyMNbvBgtWux.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40cf9df6f87aa190577900f37e9af76b7a617f4e68d2f2e2dfdfd459919abe2a. 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/3I8mDGJTwnD26uaNf06CQt.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/3I8mDGJTwnD26uaNf06CQt.
{"copyright_id":"0xbafda893db16544c944c8ce8444ef1b7dd1afb5e0e326c5f374600be8489d525","isrc":"GBKQU2261678","name":"Hypnotic - Chris IDH Remix","registered_at":"2026-06-09T20:35:22Z","spotify_id":"0c6GW5k9R4lH95QMoizLUH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbafda893db16544c944c8ce8444ef1b7dd1afb5e0e326c5f374600be8489d525. 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/0c6GW5k9R4lH95QMoizLUH.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/0c6GW5k9R4lH95QMoizLUH.
{"copyright_id":"0xb6659fd47f51dced0a730f2d0da2ead0e29924c7bc3ac5bd9eeed1d520ec013b","isrc":"US83Z2144237","name":"Rebirth - Valeron Remix","registered_at":"2026-06-23T07:17:07Z","spotify_id":"0dJsLi7bavr7Y5ju0bEg2E","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6659fd47f51dced0a730f2d0da2ead0e29924c7bc3ac5bd9eeed1d520ec013b. 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/0dJsLi7bavr7Y5ju0bEg2E.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/0dJsLi7bavr7Y5ju0bEg2E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d359e32ac41435ca4313744fa2fba2f689be697fbbc0305209ec25d5916223f. 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/6AcAMu4CqYyWsBCHTIqtMo.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/6AcAMu4CqYyWsBCHTIqtMo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd578fa3b3320bf0237319baf3d1c4690370c2e4b8ce9f202e64dde117c1b594c. 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/2UFaIpJFR8fDgc40w7sUpr.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/2UFaIpJFR8fDgc40w7sUpr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x870cc27ecb003f74bbcfa0d0050706b32dbbe85afa26321cf88cdc8730966615. 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/0t7AQSaxZAWSkMpB3Apnqc.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/0t7AQSaxZAWSkMpB3Apnqc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb72efe14d33d40f470517b07ab17f89f7571135044a8e12bf59b2efa6091c005. 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/3H2cw70r4Fw58uC4hWTaXh.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/3H2cw70r4Fw58uC4hWTaXh.
{"copyright_id":"0x439dcfc436bdc3ec480770b52d26f5ae3de671a585d5c0b5289a4bbcf34526bf","isrc":"GBKQU2408517","name":"The Gypsy Woman","registered_at":"2026-06-05T22:16:11Z","spotify_id":"5F9Xb1Zu1KngdOgDZmO4Xw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x439dcfc436bdc3ec480770b52d26f5ae3de671a585d5c0b5289a4bbcf34526bf. 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/5F9Xb1Zu1KngdOgDZmO4Xw.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/5F9Xb1Zu1KngdOgDZmO4Xw.