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 0x3c99a3c4f94ba9ede79f69fc8afb31131a9d12968391b2857ef63e8e8a672cc1. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/392f753f-79ac-48c0-8ffe-7a2592af137e.json and https://artists.proofprofile.net/proofs/artist/392f753f-79ac-48c0-8ffe-7a2592af137e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Corrido de Arturo el de Culiacán - En Vivo
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 0x8f3e0e480553d38264c762c827eff6c1bdad0d5c4abb4c6688174fd091a23614. 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/0Z73At8gqkJleprMZBCeLI.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/0Z73At8gqkJleprMZBCeLI.
{"copyright_id":"0x048a73ebbd2ac8c17ea485c3fd4acb6beaf7bc39d59ea09d6fab4313e97e2350","isrc":"QM3DF2299237","name":"Poros de a Gramo - En Vivo","registered_at":"2026-06-09T09:05:53Z","spotify_id":"61fehkJgdDmER6s7Edjnvg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x048a73ebbd2ac8c17ea485c3fd4acb6beaf7bc39d59ea09d6fab4313e97e2350. 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/61fehkJgdDmER6s7Edjnvg.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/61fehkJgdDmER6s7Edjnvg.
{"copyright_id":"0x7d1dbe5dc361a4bac7230ea73ff2413fff0fdb07226f3a0e28adabd61e8ab94f","isrc":"QM3DF2299238","name":"LV - En Vivo","registered_at":"2026-06-25T07:42:52Z","spotify_id":"11awYkAQXc1pGzP5L9wWg1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1dbe5dc361a4bac7230ea73ff2413fff0fdb07226f3a0e28adabd61e8ab94f. 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/11awYkAQXc1pGzP5L9wWg1.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/11awYkAQXc1pGzP5L9wWg1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ef25de2c7611c705273c3a5bec05705acd940715322261923584a3ce6afd47e. 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/0GooJLQw41mhWVjidoIbNN.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/0GooJLQw41mhWVjidoIbNN.
{"copyright_id":"0x5419916a6c4a754fe4048912ee688489bb7d1ed1a0ee4d04f4a85481bde93ca0","isrc":"QM3DF2299228","name":"El Compadre - En Vivo","registered_at":"2026-06-11T13:40:56Z","spotify_id":"3zWshivqGaP09jCVKxcS2L","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5419916a6c4a754fe4048912ee688489bb7d1ed1a0ee4d04f4a85481bde93ca0. 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/3zWshivqGaP09jCVKxcS2L.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/3zWshivqGaP09jCVKxcS2L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e5e24c235e518f05e083e08ffc4ffab678223009b22ed46ac4dd83fd88c8341. 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/4Z2LjM4Fe7U9UF59TE0QnE.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/4Z2LjM4Fe7U9UF59TE0QnE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x835c33b78fa31a0ae9050c864d5e9cc799ac7701ef6dd6d9f58f8688d4179949. 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/237sIE7nApWmZ6XWtgCcWx.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/237sIE7nApWmZ6XWtgCcWx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3852dfe9d7c2916957a4c2f519fae3066997b730b7c8e93eeb6008048c07f65d. 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/5weEsXa47dh46puYJ1yLpl.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/5weEsXa47dh46puYJ1yLpl.
{"copyright_id":"0x6ceab25f062360cf55532b3589323784be0eae990f84f5df65b775f5ca6a48a9","isrc":"QM3DF2299224","name":"No Me Soportan - En Vivo","registered_at":"2026-06-24T16:54:36Z","spotify_id":"6BpbrsPc46tqrvLZJqlCuS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ceab25f062360cf55532b3589323784be0eae990f84f5df65b775f5ca6a48a9. 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/6BpbrsPc46tqrvLZJqlCuS.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/6BpbrsPc46tqrvLZJqlCuS.
{"copyright_id":"0xce866cc4373938315a48223e9a75b6693f4866e89bf4a5850e8b5a130baf4ccf","isrc":"QM3DF2299221","name":"Los Lujos Cuestan - En Vivo","registered_at":"2026-06-09T18:21:49Z","spotify_id":"6CBE88RZrKYr8TQCBqGU4V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce866cc4373938315a48223e9a75b6693f4866e89bf4a5850e8b5a130baf4ccf. 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/6CBE88RZrKYr8TQCBqGU4V.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/6CBE88RZrKYr8TQCBqGU4V.
{"copyright_id":"0xe4d8f5c79469c43aa1edb6241c952592c79d56fd17ae461bd0bc333fd7345e83","isrc":"QM3DF2299229","name":"El Piojo - En Vivo","registered_at":"2026-06-08T04:25:54Z","spotify_id":"1XkwOPCQbNZ3auurGCdeI2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4d8f5c79469c43aa1edb6241c952592c79d56fd17ae461bd0bc333fd7345e83. 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/1XkwOPCQbNZ3auurGCdeI2.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/1XkwOPCQbNZ3auurGCdeI2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f96976b05e392a781043da29596561b268d6a1f180658b44c5f47869ee847b1. 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/5XVcZwQWx0hfOSkzLn3nvq.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/5XVcZwQWx0hfOSkzLn3nvq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x691b037cbcc0ecdf56628ad97901a96d97f620b1c1168a8f6a203b8665716a2d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7IDZjHEMQbX9shPVPsYC8r.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/7IDZjHEMQbX9shPVPsYC8r.
{"copyright_id":"0x3919e23cb04f4e7936daceb88b6635a45d7cdf6cb0494c6dab005328d0a45c88","isrc":"US3DF2191505","name":"Ponchando Llantas - En Vivo","registered_at":"2026-06-25T07:42:26Z","spotify_id":"7joEaqc3DIJzjeHVWPD1e9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3919e23cb04f4e7936daceb88b6635a45d7cdf6cb0494c6dab005328d0a45c88. 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/7joEaqc3DIJzjeHVWPD1e9.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/7joEaqc3DIJzjeHVWPD1e9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x971806f802a40a07d4dc6de33f452393d7a04e3e0e553b4a21d0aea2468bf34a. 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/4QkMSXw3wjBSV77ZpBKlCS.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/4QkMSXw3wjBSV77ZpBKlCS.