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 0x9e2c5bf1fa5f5e887100f23ba86492352cf07a66d52c66de464c15280c1ec534. 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/6245f7eb-cfdb-4e3a-a28f-be97861cd008.json and https://artists.proofprofile.net/proofs/artist/6245f7eb-cfdb-4e3a-a28f-be97861cd008.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 0xc2296068a7a609acb6f831561a362b962b4c156737e65978ae8a28f88eddd16a. 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/4Sq3dc4PDwS9fNFpkcv1M3.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/4Sq3dc4PDwS9fNFpkcv1M3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa871a6385bd6135723c40130c7cc85f922a2571fe86a22aca82141a4514e4140. 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/0hjOVILNDkLTPsk8xqkYJb.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/0hjOVILNDkLTPsk8xqkYJb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ca7475e6b5f67d7fb741938202b55a378768bb493750ef5bbbdb39042376877. 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/37C9Fj3TRrVJp2a738Hbcj.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/37C9Fj3TRrVJp2a738Hbcj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab0f2801ffa1e8176c0aa6aa03c3628ffdd261b4a5d3b7224b8fa7a975560a7. 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/0LWyvEt6UfOwxDiAj5Xm0s.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/0LWyvEt6UfOwxDiAj5Xm0s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42f06135d8e82beb2a26a6e05f2d129a5803a30f8b576256ceb4d785974a12b8. 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/5npHRNyzypkvIKFyihuDWv.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/5npHRNyzypkvIKFyihuDWv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb26ea8d37635c8b0591d193916108a3266723e526bd2d70a4f75ea8c156c14d7. 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/4c9Rfo2QHuPp33psGHsNLk.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/4c9Rfo2QHuPp33psGHsNLk.
{"copyright_id":"0x75be95492f36b7b20af33e80029853b399705267a27dff8abea9bfdbc0770c8b","isrc":"FIBAR2400038","name":"karhunpalvelus (feat. Bizi)","registered_at":"2026-06-08T11:41:19Z","spotify_id":"510dFDvaOpMrHYWtdxx9K3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75be95492f36b7b20af33e80029853b399705267a27dff8abea9bfdbc0770c8b. 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/510dFDvaOpMrHYWtdxx9K3.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/510dFDvaOpMrHYWtdxx9K3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa16ba11630ea0baf46cf63ee4c0830af2597f5c3900a0d7a7bf32c6134825a07. 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/3Z7JG0eXTjmtN9V4G3Zy1I.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/3Z7JG0eXTjmtN9V4G3Zy1I.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e3aa3309fa43332fcdfc179a8739f06b1bcef89cfb0ccc7785f691b6f347d52. 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/2ajolUdWYzLLUxoQwXaXbo.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/2ajolUdWYzLLUxoQwXaXbo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f6c61b5ee344dbd8dcda60b9449a38884a36cb2678e1eaf18ca1c103ef086fc. 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/2TNdBhCF6m7DwNTdnp8Cw3.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/2TNdBhCF6m7DwNTdnp8Cw3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe81f0c2bd8b274b07afa08735356e036f3a9e5e2ee2f9ff4127d83b73f2221. 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/4iI8XpewyToropJnQqPDN2.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/4iI8XpewyToropJnQqPDN2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a0ecb40f970f9e144492a0d3fa99233499f2bf9259a47dd617a1e70b0728186. 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/4nnKyigaOln0xkVLbXPzqh.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/4nnKyigaOln0xkVLbXPzqh.
{"copyright_id":"0x7fb70ae789b90b69584db114df32d43aa08ef1d12b08bfc63da030687ccba396","isrc":"FIBAR2400041","name":"kiitos ja anteeksi","registered_at":"2026-06-19T09:57:18Z","spotify_id":"7aGjSqaNrx3QtsKmrILDFF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb70ae789b90b69584db114df32d43aa08ef1d12b08bfc63da030687ccba396. 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/7aGjSqaNrx3QtsKmrILDFF.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/7aGjSqaNrx3QtsKmrILDFF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aecbc8727f1daa4f0e6125e8989a1440ae9c649c8d9e3ad3edea4781927c6fa. 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/2dmhpbfIeDIqGyq8XQSKx2.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/2dmhpbfIeDIqGyq8XQSKx2.
{"copyright_id":"0xa55125b6c344f2ccbf74d966a8dddaf3ea8f6aef6f645a92b9d3c40504f4f822","isrc":"FIBAR2200302","name":"herää hymyillen","registered_at":"2026-06-07T20:20:16Z","spotify_id":"42HkOD9RxaIR4HL8pZN10x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa55125b6c344f2ccbf74d966a8dddaf3ea8f6aef6f645a92b9d3c40504f4f822. 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/42HkOD9RxaIR4HL8pZN10x.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/42HkOD9RxaIR4HL8pZN10x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df0458275a6d4911b0f6d74ef2e3e0d123b2b8d7f8e7fb1dc7051c15765ca4d. 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/4efvABEhAQfIUlWGzevIh4.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/4efvABEhAQfIUlWGzevIh4.
{"copyright_id":"0x6e8587e7cc27dec03a9f4484b2281bbd5039a28d2e16148d9bddc16dff2d9f0c","isrc":"FIBAR2200096","name":"tarviin tilaa (feat. william)","registered_at":"2026-06-07T07:47:35Z","spotify_id":"5Abpp0zHGU6DMnptjsLaYZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e8587e7cc27dec03a9f4484b2281bbd5039a28d2e16148d9bddc16dff2d9f0c. 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/5Abpp0zHGU6DMnptjsLaYZ.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/5Abpp0zHGU6DMnptjsLaYZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7110d0344b3eae1d3105f963f254018b025d34c89ec02fefa6ad7454544511a4. 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/0Lq6xa0ndS10wC1rdfEihM.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/0Lq6xa0ndS10wC1rdfEihM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c63bc0ba24f47385e16576fc8361f0fa7a35761216f730e406ee17b96a9364. 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/6UCsmxqf24WsQWIo33JzwJ.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/6UCsmxqf24WsQWIo33JzwJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2402497f3997b09bc710d6bd368648aeb0e8d86495be2cf52a0d44c704dbaa94. 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/13no8f2KbJuPu6MlRfsIxA.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/13no8f2KbJuPu6MlRfsIxA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed8c93905c023ca1701f67783185254341fd61026a1a133b08a429c50cc974e6. 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/3YSOIfFdY6pTOuYj6abL98.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/3YSOIfFdY6pTOuYj6abL98.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c1be4c98b85c05520af489819598580f583f6e462feea5efa6259c04480408. 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/6WmWMU4lDZ6aLKtR1DamId.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/6WmWMU4lDZ6aLKtR1DamId.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4c58334d5f27d48c61e322d6fe272b858e6168fd9aaa14075a9eef9065179d6. 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/1dOlmQegd3u1MDCHklgvej.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/1dOlmQegd3u1MDCHklgvej.
{"copyright_id":"0x07f62dbfd8262b5dce938b38add29ba97c474f11ceecdd9fa4ff3c3969fd0361","isrc":"FIBAR2200308","name":"en huijaa (feat. Timo Pieni Huijaus)","registered_at":"2026-06-23T15:20:05Z","spotify_id":"3iBfBCQHf3spIQQFvicXrq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f62dbfd8262b5dce938b38add29ba97c474f11ceecdd9fa4ff3c3969fd0361. 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/3iBfBCQHf3spIQQFvicXrq.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/3iBfBCQHf3spIQQFvicXrq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5103893bd7514526d3483688f048da3e9542178b8f9f6853ef910d4d409c2406. 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/16vt5TTeQdG8ESnZQkmIi8.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/16vt5TTeQdG8ESnZQkmIi8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbb2bde22f736dac954e9ab587499fd4fb2cbab3b177091950743df41eeaccb2. 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/32kRl2eugDTK6vktyfppJc.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/32kRl2eugDTK6vktyfppJc.
{"copyright_id":"0xa42b68720c0c178b87da74befb976660acf6c6a5301bd5d02d26620baf37deb0","isrc":"FIBAR2100190","name":"uus luukku","registered_at":"2026-06-23T07:09:00Z","spotify_id":"29zfapCdlk0sDkItYcl3Mv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa42b68720c0c178b87da74befb976660acf6c6a5301bd5d02d26620baf37deb0. 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/29zfapCdlk0sDkItYcl3Mv.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/29zfapCdlk0sDkItYcl3Mv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5efda296d332a9bc6a3b5022a9f0c33994c737e6669b030185438f907264cadd. 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/25K4p21ci1BGUIvgxvBU02.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/25K4p21ci1BGUIvgxvBU02.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64d36796e543d97c8473b73d30779c169140c975f4bff67c11d854402f82d7c8. 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/2SrYD4LD7Bkk9yczmkJFTf.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/2SrYD4LD7Bkk9yczmkJFTf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79e462c2e61bb6ad23872a0818dfa7c84052028fa2ada2ab9045542fcc7f4ca2. 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/3sWKAmqcDnkwmeuEfjQsqT.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/3sWKAmqcDnkwmeuEfjQsqT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe99c6a0902bb46008a5da89c3f17510e4d6727898c67ae0dc0def3f4ae75d3e9. 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/3H1mUzEsGLWPOPl8P4ZjNH.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/3H1mUzEsGLWPOPl8P4ZjNH.
{"copyright_id":"0x1b3ec2f318661ff1ff59b1bb4e415fcaccfc0227a4b16d0ee7a4c302d50bff5b","isrc":"FIBAR2100310","name":"uuu (feat. Pihlaja)","registered_at":"2026-06-10T18:06:43Z","spotify_id":"7qOaMaMdbc788bS4ejVKGt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b3ec2f318661ff1ff59b1bb4e415fcaccfc0227a4b16d0ee7a4c302d50bff5b. 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/7qOaMaMdbc788bS4ejVKGt.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/7qOaMaMdbc788bS4ejVKGt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc03c1160b4b793ee1071126fb3ad8091c947fe6899a7ab34663a54aabd8c8333. 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/5OXgHNbtTU1OfAMgF4nJb6.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/5OXgHNbtTU1OfAMgF4nJb6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x155c04d1ec47f9d49926074c9c482f9e9fc87df8319434c1a70a43eb8f62d9bc. 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/67GlbA9W8Iv5bQo46hDmiB.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/67GlbA9W8Iv5bQo46hDmiB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f6c61b5ee344dbd8dcda60b9449a38884a36cb2678e1eaf18ca1c103ef086fc. 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/7EjyrRhPCsUHfq1odGNajx.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/7EjyrRhPCsUHfq1odGNajx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb26ea8d37635c8b0591d193916108a3266723e526bd2d70a4f75ea8c156c14d7. 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/6xzWmSegvd4ntL8MS5XKpO.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/6xzWmSegvd4ntL8MS5XKpO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e3aa3309fa43332fcdfc179a8739f06b1bcef89cfb0ccc7785f691b6f347d52. 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/0jz7L1HGCL81c6scYojIRI.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/0jz7L1HGCL81c6scYojIRI.
{"copyright_id":"0x9fc0c81039de0243d4d5ee808ceaf735e2f63884b724e2a9e86cb1aa69f3cdf9","isrc":"FIBAR2200433","name":"Reiviluola - Remix","registered_at":"2026-06-07T08:36:10Z","spotify_id":"4eVRTOy6vUWuwD03ccIXYv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc0c81039de0243d4d5ee808ceaf735e2f63884b724e2a9e86cb1aa69f3cdf9. 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/4eVRTOy6vUWuwD03ccIXYv.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/4eVRTOy6vUWuwD03ccIXYv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3f39eddd3443d7e38417f82cc3514873a6a39673379e9bbe62de2381cf81a55. 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/3m3riqWm9MXhtjk659Kj0w.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/3m3riqWm9MXhtjk659Kj0w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c63bc0ba24f47385e16576fc8361f0fa7a35761216f730e406ee17b96a9364. 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/7F37IqJr4Cn5rTvpwBN61I.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/7F37IqJr4Cn5rTvpwBN61I.
{"copyright_id":"0x6e8587e7cc27dec03a9f4484b2281bbd5039a28d2e16148d9bddc16dff2d9f0c","isrc":"FIBAR2200096","name":"tarviin tilaa (feat. william)","registered_at":"2026-06-07T07:47:35Z","spotify_id":"5240YbVrjRJ9EG79jrpEHF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e8587e7cc27dec03a9f4484b2281bbd5039a28d2e16148d9bddc16dff2d9f0c. 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/5240YbVrjRJ9EG79jrpEHF.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/5240YbVrjRJ9EG79jrpEHF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed8c93905c023ca1701f67783185254341fd61026a1a133b08a429c50cc974e6. 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/7GZ32jl5RaZjE0RViLEivo.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/7GZ32jl5RaZjE0RViLEivo.
{"copyright_id":"0xa42b68720c0c178b87da74befb976660acf6c6a5301bd5d02d26620baf37deb0","isrc":"FIBAR2100190","name":"uus luukku","registered_at":"2026-06-23T07:09:00Z","spotify_id":"55TgiKT9pEXY5TIolPDngv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa42b68720c0c178b87da74befb976660acf6c6a5301bd5d02d26620baf37deb0. 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/55TgiKT9pEXY5TIolPDngv.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/55TgiKT9pEXY5TIolPDngv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79e462c2e61bb6ad23872a0818dfa7c84052028fa2ada2ab9045542fcc7f4ca2. 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/17lpXALX37CH5p63jqAj6k.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/17lpXALX37CH5p63jqAj6k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15ff1fbfc90a59e72a61fb15fb5d6f2da4e185cb7fc17aebef24d3af1a78481. 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/4p4BK7P72LSOuIK1ex6Ihq.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/4p4BK7P72LSOuIK1ex6Ihq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a59eeab881d4ae9fc5d41b0bd2ec94bf96d426fb16579f65d80835a33b4d5e6. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:34:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7y8cvSHkEodJvR6igFlAPj.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/7y8cvSHkEodJvR6igFlAPj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82e221130dc622dfd53c0d78b23e9564c2ad45b61ef0ed2d5536c70fc8da5db4. 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/3L74aGYGNY5cmnoiAEOu7r.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/3L74aGYGNY5cmnoiAEOu7r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec8f8c26e74d494d0d72f10c7bdca5e91921d338f62f6b902b8a8a1699c4410d. 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/04t0uldyCAZjWI3hmar7Tr.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/04t0uldyCAZjWI3hmar7Tr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba34d7a9086ec8351f448fac2eb712021c294fa9a229a9727c5012b7c99836b. 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/1WjSZpu3SOte9L2rfJsGdE.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/1WjSZpu3SOte9L2rfJsGdE.
{"copyright_id":"0x17c02777a7c3160818ccee1bbb46f5df713cb19c4f9b3ca97588e5b7d125a53d","isrc":"FIBOA1900003","name":"saanu mut hulluks","registered_at":"2026-06-27T10:21:17Z","spotify_id":"2fwo0HAZzi8GpGiXQ6S7J0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17c02777a7c3160818ccee1bbb46f5df713cb19c4f9b3ca97588e5b7d125a53d. 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/2fwo0HAZzi8GpGiXQ6S7J0.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/2fwo0HAZzi8GpGiXQ6S7J0.
{"copyright_id":"0x17c02777a7c3160818ccee1bbb46f5df713cb19c4f9b3ca97588e5b7d125a53d","isrc":"FIBOA1900003","name":"saanu mut hulluks","registered_at":"2026-06-27T10:21:17Z","spotify_id":"6V4KIFCy6RsWS9m9kKGe5I","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17c02777a7c3160818ccee1bbb46f5df713cb19c4f9b3ca97588e5b7d125a53d. 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/6V4KIFCy6RsWS9m9kKGe5I.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/6V4KIFCy6RsWS9m9kKGe5I.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05507a39e1394f03f7187f3dd770cb775b858c0d89c68d66e5448ed7c491cf7c. 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/7pKkqYC00HsygVG5Q7n6TK.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/7pKkqYC00HsygVG5Q7n6TK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb11a8e2513307647f5738485ff4e25be0ee38aabcff43303a67d53fcf921102. 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/1k2kzuLDJx7gTsClk4jd7Z.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/1k2kzuLDJx7gTsClk4jd7Z.
{"copyright_id":"0x31108fbcd853d875c6036c6dbb4acabb2cf879afcf1bd3127da844b0d5b793e6","isrc":"FIBAR2300465","name":"Silkkiin verhoiltuna (feat. jambo)","registered_at":"2026-06-04T11:50:00Z","spotify_id":"1e8DVYKeCZBGyHd3SqwQXL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31108fbcd853d875c6036c6dbb4acabb2cf879afcf1bd3127da844b0d5b793e6. 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/1e8DVYKeCZBGyHd3SqwQXL.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/1e8DVYKeCZBGyHd3SqwQXL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49849e03b2178708c29a6a817a6e966d542e535ed023f0eba02cad35b9a5f301. 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/0JtfHqf1q81kOxFXuGzOtV.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/0JtfHqf1q81kOxFXuGzOtV.