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 0x7f23339519b42dd3b99ecdda92522e5e0ee3eb329e753aae9dbe4125aa79ec23. 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/3a074fe3-ad20-4e56-8836-1fb09baa00da.json and https://artists.proofprofile.net/proofs/artist/3a074fe3-ad20-4e56-8836-1fb09baa00da.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 0xdd291409c7f13c3d8e7c98b0d07e1c67a7aee13cec5746dc1b667e086198c018. 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/3vGMDE9yfX0oI7PVCbuL0C.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/3vGMDE9yfX0oI7PVCbuL0C.
Slow Wind - Remix featuring Sean Paul and Akon
{"copyright_id":"0xd5fe4050cecdcced4185b9d6d2ca1373e5b33a3fe9c9ea8df2d51e44302e8f36","isrc":"USJI10500673","name":"Slow Wind - Remix featuring Sean Paul and Akon","registered_at":"2026-06-04T14:06:03Z","spotify_id":"4f1er3ZuMpVuFKwAseQ1E9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5fe4050cecdcced4185b9d6d2ca1373e5b33a3fe9c9ea8df2d51e44302e8f36. 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/4f1er3ZuMpVuFKwAseQ1E9.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/4f1er3ZuMpVuFKwAseQ1E9.
{"copyright_id":"0xf7c5ddeb4b8cbc8ce9c9e99b2a2ec0812a22ee0f9c82269ab699e0023452cc96","isrc":"USRC11401776","name":"Bump & Grind 2014 - Radio Edit","registered_at":"2026-06-04T12:57:46Z","spotify_id":"3jcr84rjFk3rA4MZoU5QJS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c5ddeb4b8cbc8ce9c9e99b2a2ec0812a22ee0f9c82269ab699e0023452cc96. 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/3jcr84rjFk3rA4MZoU5QJS.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/3jcr84rjFk3rA4MZoU5QJS.
Fuck You Tonight (feat. R. Kelly) - 2014 Remaster
Life After Death (2014 Remastered Edition)
{"copyright_id":"0xe9198a4f195d7f4f8673f5b0282fa3b11ed6fa43944bd19ce2f967c637fa9fc4","isrc":"USAT21402727","name":"Fuck You Tonight (feat. R. Kelly) - 2014 Remaster","registered_at":"2026-06-04T07:01:17Z","spotify_id":"1ry9AyQVzzK2iDt6vMY2ku","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9198a4f195d7f4f8673f5b0282fa3b11ed6fa43944bd19ce2f967c637fa9fc4. 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/1ry9AyQVzzK2iDt6vMY2ku.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/1ry9AyQVzzK2iDt6vMY2ku.
Juicy Booty (feat. Jhené Aiko & R.Kelly)
{"copyright_id":"0x21f78a42dc2734b30d19b39ca23b8c8e41795d7717afa046670afc6498e8765a","isrc":"USRC11702695","name":"Juicy Booty (feat. Jhené Aiko & R.Kelly)","registered_at":"2026-06-04T10:33:36Z","spotify_id":"3yS1KGdl2VA5bMBhqoOVLc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21f78a42dc2734b30d19b39ca23b8c8e41795d7717afa046670afc6498e8765a. 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/3yS1KGdl2VA5bMBhqoOVLc.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/3yS1KGdl2VA5bMBhqoOVLc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb90e3153ccaa8e826311612f2a90df196d6bedb749f7352d534aa6a9dce05b1c. 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/2GxCTEXhba060skpicYxTk.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/2GxCTEXhba060skpicYxTk.
Fuck You Tonight (feat. R. Kelly) - 2007 Remaster
{"copyright_id":"0xcc80c872c404062217f0ae244fa1567733dc75bc796398fc8eb8010e530f291a","isrc":"USBB40706451","name":"Fuck You Tonight (feat. R. Kelly) - 2007 Remaster","registered_at":"2026-06-05T05:53:10Z","spotify_id":"3RcGptEbmst2z37fW3fRvZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc80c872c404062217f0ae244fa1567733dc75bc796398fc8eb8010e530f291a. 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/3RcGptEbmst2z37fW3fRvZ.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/3RcGptEbmst2z37fW3fRvZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x235d9b9f63e7e554e3f9a26460216d4a78fc3cb2dba5374202533c48e7228edb. 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/2oLey3AfK0qGuHaRQ9mEfd.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/2oLey3AfK0qGuHaRQ9mEfd.
Satisfy You (feat. R. Kelly) - 2016 Remaster
Bad Boy 20th Anniversary Box Set Edition
{"copyright_id":"0xd5b45fde0ad068f889f048ee10b892251fba196e52a4dac30edf4ce01186f7e7","isrc":"USRH11603466","name":"Satisfy You (feat. R. Kelly) - 2016 Remaster","registered_at":"2026-06-09T06:19:46Z","spotify_id":"3egs7kLsTP0YANvplBo22u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5b45fde0ad068f889f048ee10b892251fba196e52a4dac30edf4ce01186f7e7. 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/3egs7kLsTP0YANvplBo22u.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/3egs7kLsTP0YANvplBo22u.
Signs Of Love Makin' Part II (feat. R.Kelly)
{"copyright_id":"0xdf9bb97a8dd16dc26a1c15cc529170208ff838e0c75e821c2bf8d9efde6241a0","isrc":"USJAY0600761","name":"Signs Of Love Makin' Part II (feat. R.Kelly)","registered_at":"2026-06-08T11:58:32Z","spotify_id":"6nejEVGfqsq5quPecLMfYn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf9bb97a8dd16dc26a1c15cc529170208ff838e0c75e821c2bf8d9efde6241a0. 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/6nejEVGfqsq5quPecLMfYn.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/6nejEVGfqsq5quPecLMfYn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0eb1ca2b9103df67411c413f81c357d7a95ce23b3e8f50500239fd6f8445955. 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/4xipgfzCnkgDbdRJ0gRe4V.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/4xipgfzCnkgDbdRJ0gRe4V.
{"copyright_id":"0xd4bb0f60b37b1f4d41b389003a844ca2a262ace119055e24f10b498942198c7e","isrc":"USJI19610437","name":"I Believe I Can Fly","registered_at":"2026-06-25T15:16:36Z","spotify_id":"0MsJcRNjnyhvpFNUJD4tun","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4bb0f60b37b1f4d41b389003a844ca2a262ace119055e24f10b498942198c7e. 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/0MsJcRNjnyhvpFNUJD4tun.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/0MsJcRNjnyhvpFNUJD4tun.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1665f9e13349dfd8b32962270a486e7ea463fc426b27a2e4ef2825e726f23efe. 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/7nidlhN8LKz8i3sd7mNjrR.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/7nidlhN8LKz8i3sd7mNjrR.
{"copyright_id":"0x67ea18836c28df0a8ba4b5be8d74ceea196ac841e0fc063358ebc032f002c520","isrc":"QZ5FA1752830","name":"7 Squids (feat. R. Kelly)","registered_at":"2026-06-10T17:10:14Z","spotify_id":"3ZZUqdjJBlfWeC1DuzE6xL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67ea18836c28df0a8ba4b5be8d74ceea196ac841e0fc063358ebc032f002c520. 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/3ZZUqdjJBlfWeC1DuzE6xL.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/3ZZUqdjJBlfWeC1DuzE6xL.
The Solution [Exclusive Edition (Edited)]
{"copyright_id":"0x1dca2d23d83ba9f353fbfd68cf3dc9176ab84faba59b36eb00ee9026930d9dc8","isrc":"USUM70750527","name":"All The Above","registered_at":"2026-06-20T19:05:01Z","spotify_id":"1LmlBRvrsrtAWld6IlmXNP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dca2d23d83ba9f353fbfd68cf3dc9176ab84faba59b36eb00ee9026930d9dc8. 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/1LmlBRvrsrtAWld6IlmXNP.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/1LmlBRvrsrtAWld6IlmXNP.