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 0x23d5876a82153887cf74300bee9ea765b41d4dd8e6cbedac95d2878523120256. 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/e2c5f882-8d5d-4d89-a6e2-c5a9b7762e7d.json and https://artists.proofprofile.net/proofs/artist/e2c5f882-8d5d-4d89-a6e2-c5a9b7762e7d.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 0x9baa445e5c4fe8453bb3b81a94353f1952159b3f9ba8737e0e7e5e6728069cff. 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/5HzxFE7a02ZahX1rQ4V0I7.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/5HzxFE7a02ZahX1rQ4V0I7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0844dcc28b7dccaeb7fea46142f6959131794932970f3683230a9a07a867951. 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/1LkZ7musT854sP3kxq5v4Y.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/1LkZ7musT854sP3kxq5v4Y.
{"copyright_id":"0x42b00075ce518d88933db05490e227ed8dfab84851efc8fc817143edf2085a3c","isrc":"PLC062409815","name":"NAJCIĘŻEJ PRZEKONAĆ SIEBIE","registered_at":"2026-06-26T03:59:29Z","spotify_id":"5km1IMwTI4XPNUPaAX6N6z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42b00075ce518d88933db05490e227ed8dfab84851efc8fc817143edf2085a3c. 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/5km1IMwTI4XPNUPaAX6N6z.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/5km1IMwTI4XPNUPaAX6N6z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99bb65195eb474f0a79f9ac459935ddbd747e16162ec1d10055e08675434e594. 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/1xLb7R3fX5SoMdjdrrhR2h.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/1xLb7R3fX5SoMdjdrrhR2h.
{"copyright_id":"0xd0f55fa9f33099d2ace0b72c982722e1eacd8a9ff6ad87f9b38f6da4edbcacdc","isrc":"PL56U2200008","name":"Pod Ziemią","registered_at":"2026-06-21T12:18:16Z","spotify_id":"2rMxF4XJcMT2bBqfLCk3wj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0f55fa9f33099d2ace0b72c982722e1eacd8a9ff6ad87f9b38f6da4edbcacdc. 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/2rMxF4XJcMT2bBqfLCk3wj.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/2rMxF4XJcMT2bBqfLCk3wj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1933ea818555baba81648aad44a2ab1c08f1b53bb8373fb1c9af14ab8fedb6e6. 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/6iah9Gl5b8H5Oqm9EUTg9G.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/6iah9Gl5b8H5Oqm9EUTg9G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca88c06fd16319c1aa8ec65431561e5ae21b96c92759df0a091b1f9ff1028a3a. 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/23WeE5QAqCZgOOIBL16zSL.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/23WeE5QAqCZgOOIBL16zSL.
{"copyright_id":"0x67af7db72cd439ccc4e2299cee91bc46350d28b8428ad68ac8e569d2553e88b2","isrc":"QZK6K2233516","name":"Utopiłem Porsche","registered_at":"2026-06-25T00:17:59Z","spotify_id":"79TDeE7IIjVhrqWHyBw4Iz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67af7db72cd439ccc4e2299cee91bc46350d28b8428ad68ac8e569d2553e88b2. 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/79TDeE7IIjVhrqWHyBw4Iz.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/79TDeE7IIjVhrqWHyBw4Iz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ec7d4e9e3b5e34d194214d48141e4025b82123721ad4e35d5fe88d57e9eab0e. 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/0mI8QOi9qc2cbN6Djxa94t.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/0mI8QOi9qc2cbN6Djxa94t.
{"copyright_id":"0xcc22516e6ebaaa70e73c35efadc4468b81bb5e7687ba55b639a36772ca24c5d3","isrc":"PL90K2200029","name":"SMUTNE KINO","registered_at":"2026-06-23T13:52:18Z","spotify_id":"7fGIldj6iaoymsxbEOvzIY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc22516e6ebaaa70e73c35efadc4468b81bb5e7687ba55b639a36772ca24c5d3. 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/7fGIldj6iaoymsxbEOvzIY.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/7fGIldj6iaoymsxbEOvzIY.
NIE JESTEM W STANIE FUNKCJONOWAĆ BEZ GOTÓWKI
{"copyright_id":"0xd7ece57351ba036f3b2f203a22911ecfd24849fdb3c31ee1bc62892adb1f3e88","isrc":"QZRP42173637","name":"NIE JESTEM W STANIE FUNKCJONOWAĆ BEZ GOTÓWKI","registered_at":"2026-06-26T06:53:18Z","spotify_id":"3NinQPy4M66RrfbzYUeC00","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ece57351ba036f3b2f203a22911ecfd24849fdb3c31ee1bc62892adb1f3e88. 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/3NinQPy4M66RrfbzYUeC00.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/3NinQPy4M66RrfbzYUeC00.
{"copyright_id":"0x38426a2f826778b2b58535c3ef010bb072e019621f41b5e34c2b2fb8535934e9","isrc":"QZHNA2168236","name":"Pozwól że ci coś przedstawie","registered_at":"2026-06-04T13:13:14Z","spotify_id":"5jXnWzkXjGD1Jn5QPGE8JP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38426a2f826778b2b58535c3ef010bb072e019621f41b5e34c2b2fb8535934e9. 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/5jXnWzkXjGD1Jn5QPGE8JP.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/5jXnWzkXjGD1Jn5QPGE8JP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x537004f3bec9d8b5ec83b563203ef3279247b056f6685f10aa04a19a9bdec208. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7mBjTEzUAvtDq6W1YxZrw7.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/7mBjTEzUAvtDq6W1YxZrw7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62e8fb6af12b6c150a6fedb2b8445ef671f9b530dc67d5d1498cb8147c26b1e4. 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/6vf3siJN9oapSUhJ56W0MT.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/6vf3siJN9oapSUhJ56W0MT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x006603376807b4e248b5d78a3c677982bbe35a9aebf09305bd536c51b1eacb09. 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/7iMLg0XUTytnxLRjw3ljSa.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/7iMLg0XUTytnxLRjw3ljSa.
{"copyright_id":"0x7c60eadae2481e86baa3410d4b4a1bdfa949b0efef23254f6d9ca5c9aa4a7cf1","isrc":"QZES72100523","name":"Nie chce czekać","registered_at":"2026-06-24T23:26:40Z","spotify_id":"29okNXvXzc0OBnAH210bgt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c60eadae2481e86baa3410d4b4a1bdfa949b0efef23254f6d9ca5c9aa4a7cf1. 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/29okNXvXzc0OBnAH210bgt.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/29okNXvXzc0OBnAH210bgt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c0843efbc7dc74ae71d43e60fd46dfdb0f7af4793fd8c53bffa138a08c74d7f. 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/2tEbdN6Gi7kz1RsddyMwo0.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/2tEbdN6Gi7kz1RsddyMwo0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92edb35c674d6da9c75a475cfc6235d4a7946b3e5507db9ef37e9251b5dd52ee. 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/3JTZFSxsw7ookQ0WbdakA6.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/3JTZFSxsw7ookQ0WbdakA6.
{"copyright_id":"0xd3b25e7e3cfffa72ab4ecb11fc3ff925fd0bfe577c252fece84fcf036071c468","isrc":"PL56U2200106","name":"W SAMĄ PORE","registered_at":"2026-06-18T22:44:34Z","spotify_id":"3Jh9KQW1kQ6A07er3niQ6r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b25e7e3cfffa72ab4ecb11fc3ff925fd0bfe577c252fece84fcf036071c468. 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/3Jh9KQW1kQ6A07er3niQ6r.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/3Jh9KQW1kQ6A07er3niQ6r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x688cfe35c7611fb7f2ab7e66ef90c0e6f94816d44a3540fbf1b256c580b93f6c. 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/3dQtuJtZfA6VaDjsAQ9l1U.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/3dQtuJtZfA6VaDjsAQ9l1U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8133859f4ede3dbbe4eb198045e4d1917b79af721dd2b7c92becb7e1b08232f0. 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/0IDTTS31AS91aTOrJY5fYb.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/0IDTTS31AS91aTOrJY5fYb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb34aa7b9adb23c179d5619efce268e1aa766b6fe7fa2f3d6a29cd543f5fe52db. 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/2hq3PNy9qMCTXF0yqT5m5s.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/2hq3PNy9qMCTXF0yqT5m5s.
{"copyright_id":"0xadb6c082941ab347f1c1cc61d5a3df76bda3ac02caf0c541b7c60ec5a153b16c","isrc":"PL56U2200107","name":"WSZĘDZIE KOLEDZY","registered_at":"2026-06-20T13:59:26Z","spotify_id":"4zW4qoaVEGz6LDUTdRrjb4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadb6c082941ab347f1c1cc61d5a3df76bda3ac02caf0c541b7c60ec5a153b16c. 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/4zW4qoaVEGz6LDUTdRrjb4.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/4zW4qoaVEGz6LDUTdRrjb4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f498921c84fd6ae3761f897d7c263c5828c68ba23f5f11166e28d7daf33729a. 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/0ekZCTbbVmBATo5Mb8EEKg.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/0ekZCTbbVmBATo5Mb8EEKg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac3b8c47a3d813227dc24e432185f0d0781889aae6efad37d55bf29f393a5fbe. 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/4YDdS66q0fF4pY0G4IPd6e.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/4YDdS66q0fF4pY0G4IPd6e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c5c95026bb3a711b9ce199be333fd5db5b44aa12152eda12528304f97232463. 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/1CoNhxlbGR0S4q82u8h7N4.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/1CoNhxlbGR0S4q82u8h7N4.
{"copyright_id":"0x0726f54230f25eaeaedf1ed637cc9ed7f27b3ba7ce8dec755cd92c2ec3ff8c02","isrc":"PL56U2200103","name":"Jeszcze raz","registered_at":"2026-06-19T19:06:38Z","spotify_id":"7CUbkx4NPox9vbPDtHOhFk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0726f54230f25eaeaedf1ed637cc9ed7f27b3ba7ce8dec755cd92c2ec3ff8c02. 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/7CUbkx4NPox9vbPDtHOhFk.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/7CUbkx4NPox9vbPDtHOhFk.
{"copyright_id":"0x9baa445e5c4fe8453bb3b81a94353f1952159b3f9ba8737e0e7e5e6728069cff","isrc":"PLC062259932","name":"KIEDYŚ NIE BYŁO TAM MIEJSC","registered_at":"2026-06-06T05:51:26Z","spotify_id":"5KuY4MencnAbjt78DXYYrL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9baa445e5c4fe8453bb3b81a94353f1952159b3f9ba8737e0e7e5e6728069cff. 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/5KuY4MencnAbjt78DXYYrL.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/5KuY4MencnAbjt78DXYYrL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75760cac882a9798665eee1b04ed99671ac9081a52f9569d20451d460d32a1b. 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/6J0omLkV6ZP11cMjSxhhJR.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/6J0omLkV6ZP11cMjSxhhJR.