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 0xea77ec294181652fa1a0b6e89db4b346a9eb8dbcc0e45c304c63f0c81bc20be6. 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/65d89d9a-1283-414b-9e44-a9249b03e0ce.json and https://artists.proofprofile.net/proofs/artist/65d89d9a-1283-414b-9e44-a9249b03e0ce.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 0x4674b91cb3821b7a2747d27299eee6935a23e17b87663b25fcbc6fe6cf9edcdb. 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/6nKlrifaqT8nmrKUfIaKDC.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/6nKlrifaqT8nmrKUfIaKDC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc4ef8c1d7c631a9d35fc7fabdf0ce224944672bdb18456299a70364646376fb. 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/5ivML5G2GgNAlDaRTxHBid.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/5ivML5G2GgNAlDaRTxHBid.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f2545c0379b41b99f8cbb0b034ffd1958f0602f7d96a6893bd6fb531efc963. 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/3JLzlP8SfnWp8qwmtGD0fW.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/3JLzlP8SfnWp8qwmtGD0fW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3378a34ce29cb75064fa640a849f90716c6aff02252815c3718668a433bbb79. 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/5NwWg6r0soNHQ5JU2U2tUV.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/5NwWg6r0soNHQ5JU2U2tUV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5244f9613b847f9016ee0f38bdfc5c3fbd7a10cf05bc7becda65c3751daf0059. 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/1uUnzES6P7vI4uzDienIFm.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/1uUnzES6P7vI4uzDienIFm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50e89dddeb543ebe9af8d7a3514deadca4c655c251c23783dbf5973a5a0ee7ac. 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/6GUTpFy0MSkXfxrHnLKHus.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/6GUTpFy0MSkXfxrHnLKHus.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf39870bca085276b5309c9308dc70d70e4ff747262996d1fa2761ac9f72efe43. 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/1wrZbPmGXZ6r1tWS7qW8m5.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/1wrZbPmGXZ6r1tWS7qW8m5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37589ae104456a70502471017b7c850908a8ccfd574eaad97f9698ca67e94eb7. 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/30kWmivVlZIgkvgFyHZfT3.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/30kWmivVlZIgkvgFyHZfT3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x562ace7a152bc5ec9591a19929ac172d837a2c2a7f735c05f3703f81a544f819. 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/4ZN8E29SKX68Xbj0rDrrg3.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/4ZN8E29SKX68Xbj0rDrrg3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7265b54764e18479cfcc4412a446aa06141c46eab94d2ab1d2ab93cf94f19a4. 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/5IKpZYfzgF5PYsvrHzI1jx.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/5IKpZYfzgF5PYsvrHzI1jx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5748b1d278e9b257f1a2fec4074ccab453bcc067f22d6b1fad3cea28720dbfb5. 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/29RDMSn3OJcuEdwMkn7u86.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/29RDMSn3OJcuEdwMkn7u86.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bb301077f599cc3539baf9e1433a3b6e8b6451a90057056945c4d3b1b5951a2. 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/12tlSCl8YXDHjQxg4tSbnm.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/12tlSCl8YXDHjQxg4tSbnm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4d949e803ad05d42ea8a74683d2a3a8d26caeb642dfdd61c98111791b61806. 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/2z2HZgMoGmVUsJrtb7P6lo.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/2z2HZgMoGmVUsJrtb7P6lo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19f2fd9e3c321c75faaf63d26fb910915d5f06b54f148412f4f3ea11d9a99f1b. 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/3SgvnQco35HHgE75uMZ5C2.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/3SgvnQco35HHgE75uMZ5C2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0e20a8728254110400d6e25dc13d7148b9358be446d52123811fc7114472e41. 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/5HsMpRSvxFRMjtEHw3jgm7.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/5HsMpRSvxFRMjtEHw3jgm7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9187e516be0608fa6ac7dd250bfb4ef155af205ee2f985cf2ec068700b383e8. 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/4EmOF3zhD64Mmt6SIFPWE0.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/4EmOF3zhD64Mmt6SIFPWE0.
{"copyright_id":"0x5f27710301db3dfcfdab0f0fd2c458c8133807acb5fc9d4ffc46d763bf5a03a9","isrc":"ES6080940101","name":"De Vuelta Al Estudio Intro","registered_at":"2026-06-27T13:13:43Z","spotify_id":"49jYhL6wSWjK5T2PCytJCi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f27710301db3dfcfdab0f0fd2c458c8133807acb5fc9d4ffc46d763bf5a03a9. 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/49jYhL6wSWjK5T2PCytJCi.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/49jYhL6wSWjK5T2PCytJCi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda62dd703a951908e98dd570767d626a7e4f028328eec1eb5a90a08ddbf08072. 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/7f0xddraznArB9Ml8JT9pt.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/7f0xddraznArB9Ml8JT9pt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9081ae9cecf2dde1319a91a070861e8dfa67db0947622ea238aaa119d236b013. 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/1M9FvH3gi2g0GWeYdIv7ln.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/1M9FvH3gi2g0GWeYdIv7ln.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4b84a57581547ef00d0286b0d3ecfed14e4634e5613edca7cbd4b051eed09ed. 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/0sDFt47Uj1lZLW6aMHqP24.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/0sDFt47Uj1lZLW6aMHqP24.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x457a5f98885dde92dfaadde1586b745e2169069bc7460a3377f8b8fbb36eb3e0. 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/0pqozZ2bUgG4M6o65F4lQ9.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/0pqozZ2bUgG4M6o65F4lQ9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3dc93ba85e32b38c4ccb942000d9912a788a62a1329769f0d90cef881e4cee8. 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/3WwX9YMl41MfJTYiCYgsKl.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/3WwX9YMl41MfJTYiCYgsKl.
{"copyright_id":"0xfca8ea4a4d088c1f1661f7bad2327d60dcd3c351a30dcc4083cf72aa42b168e6","isrc":"ES6080940108","name":"Ciudad De Leones","registered_at":"2026-06-24T19:56:43Z","spotify_id":"2NlpLGYwTYCdcCU7pOMSUn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca8ea4a4d088c1f1661f7bad2327d60dcd3c351a30dcc4083cf72aa42b168e6. 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/2NlpLGYwTYCdcCU7pOMSUn.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/2NlpLGYwTYCdcCU7pOMSUn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf170dfaadd82056e6eb44903c3183e885db78e8db0172b27ca5d5c847d395249. 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/6JGa08MsXwkwWXK898TKnr.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/6JGa08MsXwkwWXK898TKnr.
{"copyright_id":"0x10262ac7b32237cd7ceef3a3abe08cacce357cdccad2138a644807d096130ca6","isrc":"ES6080940111","name":"Ley Natura Mantiene - Remixed by Jean","registered_at":"2026-06-22T07:18:07Z","spotify_id":"2Q0ym1mnCY4cNEsKRE1sYr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10262ac7b32237cd7ceef3a3abe08cacce357cdccad2138a644807d096130ca6. 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/2Q0ym1mnCY4cNEsKRE1sYr.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/2Q0ym1mnCY4cNEsKRE1sYr.
Hermanos Hermeticos - Making off Remix Hermanos Herméticos
{"copyright_id":"0x03dec6f559d8a0bf5b39cb266175cedf1a1e5ff6bfe2da28c1a29e52ca72dedf","isrc":"ES6080940113","name":"Hermanos Hermeticos - Making off Remix Hermanos Herméticos","registered_at":"2026-06-27T13:12:35Z","spotify_id":"7jxx7mt5mZjeqwgHTjztT6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03dec6f559d8a0bf5b39cb266175cedf1a1e5ff6bfe2da28c1a29e52ca72dedf. 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/7jxx7mt5mZjeqwgHTjztT6.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/7jxx7mt5mZjeqwgHTjztT6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6b7c39e24eeaa6359935277c195e45c67bf4486f0cc4a7d4d93de1be83c456b. 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/3XqoXIXXWCS9LMfRwXopzM.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/3XqoXIXXWCS9LMfRwXopzM.
{"copyright_id":"0x5ccd9498d3cde5063454015e6b705ffc5a47e0094ba21b870e9e4af0a01b3b74","isrc":"ES6080940118","name":"Improvisare - Remix by Moli","registered_at":"2026-06-24T19:56:13Z","spotify_id":"5KnxKrjzjynCaJ54i6As9C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ccd9498d3cde5063454015e6b705ffc5a47e0094ba21b870e9e4af0a01b3b74. 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/5KnxKrjzjynCaJ54i6As9C.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/5KnxKrjzjynCaJ54i6As9C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda2bacf846375e50fd6e81845ffe56e6cef2a1a2f95886146a77c56b869a1af. 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/7tNpA4QyLY63JP7YCwfezB.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/7tNpA4QyLY63JP7YCwfezB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31172afde273d15392e35b076ecd397d1671463c78a6e13b6d112b693f465f6e. 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/597gIAgxZ52lewi62COQeh.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/597gIAgxZ52lewi62COQeh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe366f26b376426e75a952033e54453842e224bfd40ddd23a28239e273c694b1. 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/4MilkLHaf1RUQAmLPcvSll.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/4MilkLHaf1RUQAmLPcvSll.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf6610e2fe79990666e992b7a3d943f317eb8017096d74beecd5473110bd128. 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/19HFlPPKSSbjGPQ0OMPtT4.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/19HFlPPKSSbjGPQ0OMPtT4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f7dc425c2bb71872c5575e8ca8e8266f68067e9ae87f8ae1cff78c50f27c9b. 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/5OVIBxJCU56TPQYZXIbDIN.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/5OVIBxJCU56TPQYZXIbDIN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8179ebf60ecb5d8f9ce5d37d4960d078cfed46e0d29a833bdf7c99ef6bbaae9. 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/2RQtantzIfmXhpg9e2zh3G.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/2RQtantzIfmXhpg9e2zh3G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0d9061595dac1853a7c155a3ca7c00e4b0bfd0928dad68751b8f91a71de5c2. 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/1m57M3GAKCBkiyzXsrizeo.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/1m57M3GAKCBkiyzXsrizeo.
{"copyright_id":"0x5b3bf178cd0ba70efcc8be5ce22d57ce8670daccbd332724e2243183c5463f5a","isrc":"ES71G2029640","name":"Dame Cócteles","registered_at":"2026-06-25T10:47:51Z","spotify_id":"6xJeIFhCq4vrXMGRty5UlN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3bf178cd0ba70efcc8be5ce22d57ce8670daccbd332724e2243183c5463f5a. 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/6xJeIFhCq4vrXMGRty5UlN.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/6xJeIFhCq4vrXMGRty5UlN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63daa8eb854dcce4a6493c1714cc34d4188c7607442a54082cf6cb7636b23565. 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/7aYTASE621qtMnippTkW7E.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/7aYTASE621qtMnippTkW7E.
{"copyright_id":"0xe22418dbf48d6facfbcf21e4bd74e3e72b7412c0421ea7c91c1aaf9076365fa7","isrc":"ES71G2029643","name":"Afirmación Rotunda","registered_at":"2026-06-27T11:37:16Z","spotify_id":"1UhivHPUHsGjYrMdDffoz8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22418dbf48d6facfbcf21e4bd74e3e72b7412c0421ea7c91c1aaf9076365fa7. 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/1UhivHPUHsGjYrMdDffoz8.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/1UhivHPUHsGjYrMdDffoz8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd95a9433765c250d6c80da3a1480c4a525a84df7c754a0d60742094e44249013. 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/1N7IDeifibYCUsFBqxu2xK.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/1N7IDeifibYCUsFBqxu2xK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d6d5d8cc3fee2906ea2febbd67665cc6886b72501413504d39fc65bf7624f59. 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/1uocdFk1PE5LsrT9pdCMoR.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/1uocdFk1PE5LsrT9pdCMoR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d6d5d8cc3fee2906ea2febbd67665cc6886b72501413504d39fc65bf7624f59. 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/4iXMePmTlujWwXsQddaS7f.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/4iXMePmTlujWwXsQddaS7f.