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 0xb56f4ed3d1ac6b67fbda89164c91d5cbc72f566959980be893ea7e58d2e10a01. 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/88316436-5191-4746-8ec7-68ff82efc776.json and https://artists.proofprofile.net/proofs/artist/88316436-5191-4746-8ec7-68ff82efc776.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 0xf49347f98e1a2b19974c98d72969ca23531ae2bd9c036cfda303f75a7a7d07e0. 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/4yN86w8O7WaKFwrPqJ6IS5.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/4yN86w8O7WaKFwrPqJ6IS5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1845539d58b166243446a4afd84761a027ea245ddf360b74f9d0086571ba4e31. 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/70uHUFB21VWJqnSRppeTL1.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/70uHUFB21VWJqnSRppeTL1.
{"copyright_id":"0x2e69ee6b4edfe19b25ab6d9f42ace30fcd95912acc9d0c73d8a5fa6dfd18c0c7","isrc":"USUYG1178895","name":"Sound the Trumpet","registered_at":"2026-06-27T12:07:51Z","spotify_id":"2Asp9ZGBEDNHpCWLvUxTVx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e69ee6b4edfe19b25ab6d9f42ace30fcd95912acc9d0c73d8a5fa6dfd18c0c7. 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/2Asp9ZGBEDNHpCWLvUxTVx.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/2Asp9ZGBEDNHpCWLvUxTVx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09f6a7a96c36739409b019dccb45f0102e4d9d4fa785cc7cbd5058bdaca9e94a. 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/5BXxWuBovNmzGJxpImMwxJ.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/5BXxWuBovNmzGJxpImMwxJ.
Madhouse (From the Original Motion Picture "RUSHED")
Built For It (feat. Trippie Redd & Uno The Activist)
{"copyright_id":"0x40773caae5007a1d5edc275701d4e818eff502d98a6c74825496c23e7d8c2f17","isrc":"USUYG1258994","name":"Built For It (feat. Trippie Redd & Uno The Activist)","registered_at":"2026-06-27T04:51:52Z","spotify_id":"2fsWdkbLhHW4ddmw5XxPj3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40773caae5007a1d5edc275701d4e818eff502d98a6c74825496c23e7d8c2f17. 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/2fsWdkbLhHW4ddmw5XxPj3.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/2fsWdkbLhHW4ddmw5XxPj3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fdcf26e03e9c5f1443a645b935172ff3d066a157a51d30c88d00705de8e468a. 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/2kr7Xk67iXKhjOtGWGAmBD.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/2kr7Xk67iXKhjOtGWGAmBD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9b6b21dff95c25448c4c0a58f76bdc80bcddb82ddfd164e3e11819cd4206364. 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/7L68liHMwjD8QuNydCfYJ7.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/7L68liHMwjD8QuNydCfYJ7.
{"copyright_id":"0xdb0ae7b3f10a1b069a524c05a60c8fab93d361b87615a0333a243289431dfd92","isrc":"USSM11709116","name":"*NSTYNCT (feat. Skeme & OG Maco)","registered_at":"2026-06-05T04:55:38Z","spotify_id":"4ZdnCqHD8I1xWsrq5XiIqx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb0ae7b3f10a1b069a524c05a60c8fab93d361b87615a0333a243289431dfd92. 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/4ZdnCqHD8I1xWsrq5XiIqx.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/4ZdnCqHD8I1xWsrq5XiIqx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd4b76ed7134e50d5403be90d4286c755018a2f8547078900a4ae7639e2ba108. 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/100sCINfy627goqupakk1R.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/100sCINfy627goqupakk1R.
Prey (feat. Waka Flocka Flame & OG Maco)
{"copyright_id":"0xa73788c9f580f4aca459fffacd4f56102e92659dbf4840ac64a338738b46349a","isrc":"USZEG1502506","name":"Prey (feat. Waka Flocka Flame & OG Maco)","registered_at":"2026-06-10T17:05:57Z","spotify_id":"4bYgeOTouTimNJABtO1aRT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa73788c9f580f4aca459fffacd4f56102e92659dbf4840ac64a338738b46349a. 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/4bYgeOTouTimNJABtO1aRT.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/4bYgeOTouTimNJABtO1aRT.
{"copyright_id":"0x628bc9b0f6bb5b417efad7fb9bf03e5f9b71dfa68d494a3cd9927e3fba4dc11a","isrc":"USUYG1065857","name":"Friday (The F Bomb Remix)","registered_at":"2026-06-08T18:32:12Z","spotify_id":"4UPENLxnavE3gc85lwGzSV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x628bc9b0f6bb5b417efad7fb9bf03e5f9b71dfa68d494a3cd9927e3fba4dc11a. 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/4UPENLxnavE3gc85lwGzSV.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/4UPENLxnavE3gc85lwGzSV.
Ten Ten (feat. J.I.D, EARTHGANG & OG Maco)
{"copyright_id":"0xf9da8cadcc1782b11dbe622db73df1cc7f7f425ce62bd57bc84d9febb28a0f98","isrc":"USUYG1075198","name":"Ten Ten (feat. J.I.D, EARTHGANG & OG Maco)","registered_at":"2026-06-10T02:14:25Z","spotify_id":"2fap6tWJTxnGxTehc2KzlT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9da8cadcc1782b11dbe622db73df1cc7f7f425ce62bd57bc84d9febb28a0f98. 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/2fap6tWJTxnGxTehc2KzlT.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/2fap6tWJTxnGxTehc2KzlT.
Doctor Pepper (feat. CL, RiFF RAFF & OG Maco)
{"copyright_id":"0xe37cbe0a50b89f523d241dd6efbee0708ef7e94b2a79bfe025ba1d828129c32d","isrc":"USZ4V1500086","name":"Doctor Pepper (feat. CL, RiFF RAFF & OG Maco)","registered_at":"2026-06-04T15:17:01Z","spotify_id":"5Djg43OzL7HVYgG0CwJKwI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe37cbe0a50b89f523d241dd6efbee0708ef7e94b2a79bfe025ba1d828129c32d. 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/5Djg43OzL7HVYgG0CwJKwI.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/5Djg43OzL7HVYgG0CwJKwI.
{"copyright_id":"0xf819dcfcbec21c6596520934f3a41a20fe3720f34d2793eaab1ccddfbf98cd84","isrc":"RUA012000914","name":"Sunny Drive","registered_at":"2026-06-08T03:16:29Z","spotify_id":"3WIJUs8vQTZGxft98eowRh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf819dcfcbec21c6596520934f3a41a20fe3720f34d2793eaab1ccddfbf98cd84. 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/3WIJUs8vQTZGxft98eowRh.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/3WIJUs8vQTZGxft98eowRh.
{"copyright_id":"0xf88b4ec12aa3e4c4f0f70094861513a9045d729927c6b2396abe8cde0a83cce5","isrc":"QM24S2107100","name":"Mumbai Mode (Fabian Mazur Remix)","registered_at":"2026-06-25T21:00:22Z","spotify_id":"34nrLBdBDcgcqNuxgdOrHk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88b4ec12aa3e4c4f0f70094861513a9045d729927c6b2396abe8cde0a83cce5. 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/34nrLBdBDcgcqNuxgdOrHk.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/34nrLBdBDcgcqNuxgdOrHk.
Mumbai Mode (Danny Leax Remix) [Extended Mix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd27b24c4b964974e24c78b0c2e8d7d8edf0b6d8cd48e15579d754dbd01c7c39. 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/2qmbvhG8hWX0FVN87sh3TW.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/2qmbvhG8hWX0FVN87sh3TW.