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 0x5db3a21df63fec87566b8f18cb00905f62b93050e7b1dd27e262e6481e8a2a78. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2f478f4-56a2-4f93-87d7-f9285ef61e1b.json and https://artists.proofprofile.net/proofs/artist/e2f478f4-56a2-4f93-87d7-f9285ef61e1b.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 0x6c4965be2f7285978507d05ade410c1d41311848f4231c0b11d8381c8b11f6c1. 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/3ZiwD0FeTlhxJGbLaStLrP.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/3ZiwD0FeTlhxJGbLaStLrP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf379b7fd5fce3b967399034d73c971aa6e8caa2df19f2bf10d6c489bd69935ff. 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/7vSjLevfArNWCHnHDpmZg7.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/7vSjLevfArNWCHnHDpmZg7.
{"copyright_id":"0xc844c0a3dfaed9bd0040caa06673456689de9146865a3749bbf8e7a1b0b6e3c7","isrc":"QZNJV2445454","name":"Felix's Last Laugh","registered_at":"2026-06-27T03:58:35Z","spotify_id":"5k3CVx57BdFFJ0yISlBJ1u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc844c0a3dfaed9bd0040caa06673456689de9146865a3749bbf8e7a1b0b6e3c7. 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/5k3CVx57BdFFJ0yISlBJ1u.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/5k3CVx57BdFFJ0yISlBJ1u.
{"copyright_id":"0x710c26e233e2def9507c690174aed2891a1796c44700aaddd0ade3ea1e8eeaba","isrc":"QZNJV2445455","name":"Ela Ta Pras Foda","registered_at":"2026-06-21T03:02:30Z","spotify_id":"5nivQznZwT2Lr6NPQ3DDvR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x710c26e233e2def9507c690174aed2891a1796c44700aaddd0ade3ea1e8eeaba. 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/5nivQznZwT2Lr6NPQ3DDvR.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/5nivQznZwT2Lr6NPQ3DDvR.
{"copyright_id":"0x9bf068c6f3b84f7a2dbe7a67b0a03d6ac4e87c14dd6d70e73f7aba9d80621b2f","isrc":"QZW9K2379770","name":"Somos Incríveis!","registered_at":"2026-06-27T14:54:53Z","spotify_id":"2dirLPdBqUDoNto9xR0Q5M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bf068c6f3b84f7a2dbe7a67b0a03d6ac4e87c14dd6d70e73f7aba9d80621b2f. 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/2dirLPdBqUDoNto9xR0Q5M.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/2dirLPdBqUDoNto9xR0Q5M.
Eu Nunca Vou Ser Quem Você Quer Que Eu Seja
{"copyright_id":"0x59a1111c6f8183cac242b8b3c441ba175792fb4cc2135cf85a7e9144cf90818d","isrc":"QZW9K2379783","name":"All The Girls Are The Same","registered_at":"2026-06-25T12:59:51Z","spotify_id":"7dbYg1v8sxCwRHTbu9XCah","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a1111c6f8183cac242b8b3c441ba175792fb4cc2135cf85a7e9144cf90818d. 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/7dbYg1v8sxCwRHTbu9XCah.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/7dbYg1v8sxCwRHTbu9XCah.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b4d5d87a739a35bba72e36c375377287a670af89cee0275b0091f5028277409. 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/23aZnzWS6MjHihawhlqAwq.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/23aZnzWS6MjHihawhlqAwq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x729ef4a641570214fa05ab818ac3d8b569ea0a5dfdb9427cd44436efaede40a6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4izTzcd0t2LWX6TjO6axJx.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/4izTzcd0t2LWX6TjO6axJx.
{"copyright_id":"0x3105dc5ea9a679faf0d9fd51ad8e9635880f4269dcac3a984b14f7b682f7164b","isrc":"GBWUL2462113","name":"glory boyz","registered_at":"2026-06-20T06:35:56Z","spotify_id":"3nIWDsmWHzSdgFo0YpoLqj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3105dc5ea9a679faf0d9fd51ad8e9635880f4269dcac3a984b14f7b682f7164b. 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/3nIWDsmWHzSdgFo0YpoLqj.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/3nIWDsmWHzSdgFo0YpoLqj.
{"copyright_id":"0x8f421a82919a3c9c7a017fe23132d8480dcde73a821cb9a9380a9de60ea02df9","isrc":"GBWUL2462135","name":"Hellsing Murda Case","registered_at":"2026-06-22T01:38:23Z","spotify_id":"2Gq2DsbsvKag09aYtfd2q9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f421a82919a3c9c7a017fe23132d8480dcde73a821cb9a9380a9de60ea02df9. 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/2Gq2DsbsvKag09aYtfd2q9.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/2Gq2DsbsvKag09aYtfd2q9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92756d85c10117afe5e249b39349fac7d118a4f50ec5611916659289b3105119. 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/3rBpvAIBStMLV1SCTV4Cmd.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/3rBpvAIBStMLV1SCTV4Cmd.