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 0x58ae47510629e3d6ae4f88871b2c1b755ec1b5c5a29805cddba7643cf296f6ed. 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/6ed74331-5ec5-4875-936d-17ed03c06d2c.json and https://artists.proofprofile.net/proofs/artist/6ed74331-5ec5-4875-936d-17ed03c06d2c.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 0x3c071f4761dc268665955715994488acdd3b79aca734c4234c6a8a1eb3306489. 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/5hcPfsdrll5xNkY8W2kxhn.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/5hcPfsdrll5xNkY8W2kxhn.
{"copyright_id":"0x2ae62419df7e260b6968b4f89e81be0c40b9abdf08adaa1b79b22224ce682248","isrc":"ES05I2200006","name":"Un Verano Sin Ti","registered_at":"2026-06-04T15:35:42Z","spotify_id":"7ak50UNtHHzdLwTZtnRqpN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae62419df7e260b6968b4f89e81be0c40b9abdf08adaa1b79b22224ce682248. 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/7ak50UNtHHzdLwTZtnRqpN.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/7ak50UNtHHzdLwTZtnRqpN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611a93f3b34375542c6afc07d91b0243138cc0a37c5eb665c59bf043f695fe9e. 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/7lAycjC3DQnPVguLbqcS5j.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/7lAycjC3DQnPVguLbqcS5j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f3a73d3c75c09466245ffbeca5cf8cf2483925660fe7f9e5989323f9013171. 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/7eXOi8rejZRLacdb8qQWfy.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/7eXOi8rejZRLacdb8qQWfy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe152d0723aaddd271b755170c51c9177474adea75022e17f494915b1a4c6b33. 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/4bSXeZek6CWkjRQZZnCpSj.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/4bSXeZek6CWkjRQZZnCpSj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf112d43e6842a37cc776b7fb44c1a75166dcc652a0159a78b9c3720d139374a6. 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/3cROtkZaeDagESqpNoBllG.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/3cROtkZaeDagESqpNoBllG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37111d20f4383f1df1b69649632d83f039a955d05db5f11064bcd6c9060798f5. 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/7m60x39qKZEGoQBubtGTFh.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/7m60x39qKZEGoQBubtGTFh.
{"copyright_id":"0xe20b5ec0a1694d0a5cb1f2fd0e69c2baf75cfc89888f8bd7f4ef807a3c6a072c","isrc":"ES05I2200008","name":"Muñequita De Cristal - Remix","registered_at":"2026-06-07T07:02:02Z","spotify_id":"3nWbIkRf9Oc8IR0pYEpJgX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe20b5ec0a1694d0a5cb1f2fd0e69c2baf75cfc89888f8bd7f4ef807a3c6a072c. 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/3nWbIkRf9Oc8IR0pYEpJgX.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/3nWbIkRf9Oc8IR0pYEpJgX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb907db47645a64201b879723e25d30407fe87fd093a663db2f984968214206f. 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/3sEVsC7fq8peVZO4TjWiZx.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/3sEVsC7fq8peVZO4TjWiZx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa8ab6e90c5378090c8c9bb345c0c5278a11650122a987d9581c794df1df829c. 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/0cAixujNFVV5stYiJwjo0g.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/0cAixujNFVV5stYiJwjo0g.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc645fecbe353b91802a994820a7961932112d033eb015b9186198150801eddfe. 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/6B1ZJ9cQBvSsW2zOUBREkt.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/6B1ZJ9cQBvSsW2zOUBREkt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfff1ab8b74c330758bd30a2e6516149cceb7e49999656a18afc4a6f82ff7d1c. 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/3ACVz5PwPN9P1PC6869Jn6.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/3ACVz5PwPN9P1PC6869Jn6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a07207bf7b798d23e125884bbe829551df2573a8333ef846d0481af70f32712. 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/4ihlB1pDXbQEtaDoMfyaYs.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/4ihlB1pDXbQEtaDoMfyaYs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6082c4bc83edea5732247887dbf488ed2eb7e8751bac9a31fd2bd034f886890. 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/25hF35U6CgXyW9TYAKntrJ.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/25hF35U6CgXyW9TYAKntrJ.
{"copyright_id":"0xd60e8133ed08672de7c7c99a465bd54256bd1ae4e4c8cad1b3b08ab1ccf709d7","isrc":"ES5152300595","name":"POR NO DECIR TU NOMBRE","registered_at":"2026-06-05T08:22:28Z","spotify_id":"5xDrj4AzyHFm4ihYhIbOt2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd60e8133ed08672de7c7c99a465bd54256bd1ae4e4c8cad1b3b08ab1ccf709d7. 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/5xDrj4AzyHFm4ihYhIbOt2.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/5xDrj4AzyHFm4ihYhIbOt2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e6424c539e8f5c9a3c5869f626656dd75663a8c3fd19e4644554c4c62420ffe. 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/1ApFykPxKmhP4iNbFmgXw9.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/1ApFykPxKmhP4iNbFmgXw9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c6a42fa8da8ead5bd9f2f051ac717fa98a9e8b3ad9ee984515a6f05a34f1c1. 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/6Dd4ZCRgGZAYioA2wv7HuS.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/6Dd4ZCRgGZAYioA2wv7HuS.
{"copyright_id":"0x9793eba5f4db045a061bc3c8ed2ddd4bda228be11b909be4e63dc0d4588e6f49","isrc":"ES05I2300002","name":"miprimeravez - sped up","registered_at":"2026-06-24T11:29:49Z","spotify_id":"0kN5JEsXTHIHpxsB6gPIw2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9793eba5f4db045a061bc3c8ed2ddd4bda228be11b909be4e63dc0d4588e6f49. 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/0kN5JEsXTHIHpxsB6gPIw2.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/0kN5JEsXTHIHpxsB6gPIw2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9678f4ff5bf36a0531590b6c7cc50aff393970f2da0113cdcda9361ccdd52f63. 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/1BwpIlSgVmMM64ZyqnBR1t.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/1BwpIlSgVmMM64ZyqnBR1t.
{"copyright_id":"0x893967d777dfd62d916cc8ad8b8405fcc5eb09e569d05f499c23dbb95b6b03a1","isrc":"ES5152300225","name":"Caricias en tu espalda (feat. MARLENA)","registered_at":"2026-06-05T16:29:16Z","spotify_id":"3W86lhWeDNKPG59RHLJAdh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x893967d777dfd62d916cc8ad8b8405fcc5eb09e569d05f499c23dbb95b6b03a1. 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/3W86lhWeDNKPG59RHLJAdh.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/3W86lhWeDNKPG59RHLJAdh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f260548b70825a008ba0660d60730da375c1d94a7e284c5ad4d7faa499bd085. 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/0z0VjrvIF2nQB1iYiIyaRE.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/0z0VjrvIF2nQB1iYiIyaRE.
{"copyright_id":"0xc840bde885cedaa8d6be398d21088a624ac530adc29aeffb0b0673f321f17c54","isrc":"ES5152201704","name":"NADA QUE DECIR","registered_at":"2026-06-06T16:40:55Z","spotify_id":"2Qnjj1OqW9NDTzBeanuXIP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc840bde885cedaa8d6be398d21088a624ac530adc29aeffb0b0673f321f17c54. 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/2Qnjj1OqW9NDTzBeanuXIP.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/2Qnjj1OqW9NDTzBeanuXIP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf112d43e6842a37cc776b7fb44c1a75166dcc652a0159a78b9c3720d139374a6. 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/5R8LaP3fPOrj7bRmdG4nKy.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/5R8LaP3fPOrj7bRmdG4nKy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611a93f3b34375542c6afc07d91b0243138cc0a37c5eb665c59bf043f695fe9e. 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/0VHZSiigjVbxrxe1q5WrPU.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/0VHZSiigjVbxrxe1q5WrPU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefe34e0ac0fc82242006194113e55c450b18e84462e553e3de33421d1e4b1686. 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/7A48psjb1Bdi7KKpC95gaH.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/7A48psjb1Bdi7KKpC95gaH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37111d20f4383f1df1b69649632d83f039a955d05db5f11064bcd6c9060798f5. 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/0gPqRLmS5IbJE7tV8Gh4BG.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/0gPqRLmS5IbJE7tV8Gh4BG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f3a73d3c75c09466245ffbeca5cf8cf2483925660fe7f9e5989323f9013171. 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/3Hog4d7l4nzvOezHd3EMjO.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/3Hog4d7l4nzvOezHd3EMjO.
{"copyright_id":"0x2f6492f2a0c9593dd1b44a27d5a6a79286ad9c2d6ef6252376a777fcc41ed3ba","isrc":"ES05I2100043","name":"Muñequita de Cristal","registered_at":"2026-06-04T11:07:33Z","spotify_id":"2bsJ6oij5bheOFx9RyuFKY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f6492f2a0c9593dd1b44a27d5a6a79286ad9c2d6ef6252376a777fcc41ed3ba. 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/2bsJ6oij5bheOFx9RyuFKY.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/2bsJ6oij5bheOFx9RyuFKY.
{"copyright_id":"0x3e29f2b1abfef9c18b435bfa5964b0cb32ed503cdd9f7f7dbae37f29f4498536","isrc":"ES05I2100042","name":"Me Sabe Mal - Remix","registered_at":"2026-06-04T08:46:11Z","spotify_id":"5tyngIB1CqMV6xWIfWRqEi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e29f2b1abfef9c18b435bfa5964b0cb32ed503cdd9f7f7dbae37f29f4498536. 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/5tyngIB1CqMV6xWIfWRqEi.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/5tyngIB1CqMV6xWIfWRqEi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8485dbb8554058947fb27c58c3ae5f7b3d5cded2e8899870931a7cc3947d293c. 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/1voueLCs7g2cD8NLHg1Iz7.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/1voueLCs7g2cD8NLHg1Iz7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c071f4761dc268665955715994488acdd3b79aca734c4234c6a8a1eb3306489. 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/53w7xjn8fwwU8Pc6rgMm5v.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/53w7xjn8fwwU8Pc6rgMm5v.
{"copyright_id":"0x08aa25aadafcdcdd829085a6ed6539fd54064d1f0ab06ee4a32200d917c18395","isrc":"ES05I2000030","name":"Sociedad Limitada","registered_at":"2026-06-06T16:40:35Z","spotify_id":"3BLK4wrjU26RKkipZskJSx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08aa25aadafcdcdd829085a6ed6539fd54064d1f0ab06ee4a32200d917c18395. 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/3BLK4wrjU26RKkipZskJSx.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/3BLK4wrjU26RKkipZskJSx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2daeb9ccbc30aa0fafbfae5445915b3f2053f47e9cfb20e304818739dffbd74f. 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/6HdvPxQftDfPyaBiKAJxBG.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/6HdvPxQftDfPyaBiKAJxBG.