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 0x4bb563fc46eebe26c7a6a354ee94154de50c802ca25a7ea1c45f12b415d80708. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/85c4da25-8c96-4d9a-aead-f9ebe4186f75.json and https://artists.proofprofile.net/proofs/artist/85c4da25-8c96-4d9a-aead-f9ebe4186f75.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Main Titles (From the HBO Miniseries "Band of Brothers" Soundtrack)
Band of Brothers - Original Motion Picture Soundtrack
{"copyright_id":"0x512341ab998ac9756befa6052a3a368f8f1937ab9ba2b68189f526070a86780b","isrc":"USSM10108389","name":"Main Titles (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-04T09:38:46Z","spotify_id":"1LcNtS9B22LgIHxd9gTGcV","type":"track"}
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 0x512341ab998ac9756befa6052a3a368f8f1937ab9ba2b68189f526070a86780b. 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/1LcNtS9B22LgIHxd9gTGcV.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/1LcNtS9B22LgIHxd9gTGcV.
Band of Brothers - Suite One (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x211fe3a3bc4d8690849def7a01232f8593abb26ad4053e6ef03fe7696b10560c","isrc":"USSM10108390","name":"Band of Brothers - Suite One (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-05T21:28:51Z","spotify_id":"7EhtFc6RCy6LdrlKfuAB0Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x211fe3a3bc4d8690849def7a01232f8593abb26ad4053e6ef03fe7696b10560c. 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/7EhtFc6RCy6LdrlKfuAB0Z.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/7EhtFc6RCy6LdrlKfuAB0Z.
Band of Brothers - Suite Two (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x7bc1c15132bc279407bd065b7f046c78425f5e5cd88b9807e7f80227acc741e5","isrc":"USSM10108391","name":"Band of Brothers - Suite Two (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-06T10:40:30Z","spotify_id":"0afZX50fvjXE0WKFahBLJK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bc1c15132bc279407bd065b7f046c78425f5e5cd88b9807e7f80227acc741e5. 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/0afZX50fvjXE0WKFahBLJK.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/0afZX50fvjXE0WKFahBLJK.
The Mission Begins (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x0026099f98f7c172c5598428e2125485620b2047231adf81cc0fb1472e3e6261","isrc":"USSM10108392","name":"The Mission Begins (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-06T10:38:26Z","spotify_id":"4IoqDx6XDIYql4ZMYD4JtI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0026099f98f7c172c5598428e2125485620b2047231adf81cc0fb1472e3e6261. 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/4IoqDx6XDIYql4ZMYD4JtI.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/4IoqDx6XDIYql4ZMYD4JtI.
Swamp (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0xfba51349dd0730ea89465b12bb52c79bfb662efadda8f2d5b74b2f2bb81ae988","isrc":"USSM10108393","name":"Swamp (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-07T14:28:17Z","spotify_id":"7u30oqoX8TX6J9A4US7fKP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfba51349dd0730ea89465b12bb52c79bfb662efadda8f2d5b74b2f2bb81ae988. 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/7u30oqoX8TX6J9A4US7fKP.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/7u30oqoX8TX6J9A4US7fKP.
Spier's Speech (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x4ead184cae6765f549898aa5ca064e262241606e09ff9efbe389a743438711bf","isrc":"USSM10108394","name":"Spier's Speech (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-08T09:54:40Z","spotify_id":"0TLJKJBzqpl1WEXifdaz1O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ead184cae6765f549898aa5ca064e262241606e09ff9efbe389a743438711bf. 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/0TLJKJBzqpl1WEXifdaz1O.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/0TLJKJBzqpl1WEXifdaz1O.
Fire on Lake (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x26546f670996437d73fcd911cb4c52458a65b4d11c39bd28f767b0cb989113ca","isrc":"USSM10108395","name":"Fire on Lake (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-08T01:03:49Z","spotify_id":"3dMM1tPtHsV3SCHubSDVUx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26546f670996437d73fcd911cb4c52458a65b4d11c39bd28f767b0cb989113ca. 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/3dMM1tPtHsV3SCHubSDVUx.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/3dMM1tPtHsV3SCHubSDVUx.
Parapluie (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x4dc1786518efb9bb466ba5126665f0772a2fd0908269f4303024a381c6e47435","isrc":"USSM10108396","name":"Parapluie (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-07T20:01:38Z","spotify_id":"4i0AcB50dAlKKh6lTAOR5u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dc1786518efb9bb466ba5126665f0772a2fd0908269f4303024a381c6e47435. 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/4i0AcB50dAlKKh6lTAOR5u.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/4i0AcB50dAlKKh6lTAOR5u.
Boy Eats Chocolate (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x5fc20761607619e12100c264dbfc35ca9d70406c3fc9a21f7c5b95ea5fe0cf86","isrc":"USSM10108397","name":"Boy Eats Chocolate (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-07T14:30:29Z","spotify_id":"1SQ6tC4Y8ltEgE5WuukWiI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fc20761607619e12100c264dbfc35ca9d70406c3fc9a21f7c5b95ea5fe0cf86. 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/1SQ6tC4Y8ltEgE5WuukWiI.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/1SQ6tC4Y8ltEgE5WuukWiI.
Bull's Theme (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x543e4f516263212902a4cdbe4c9b6d288f0e00fb5fc8b8019a67cc4b48c7fb3f","isrc":"USSM10108398","name":"Bull's Theme (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-08T03:20:55Z","spotify_id":"3tzpJ8ReBMxV6p94wRxzEy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x543e4f516263212902a4cdbe4c9b6d288f0e00fb5fc8b8019a67cc4b48c7fb3f. 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/3tzpJ8ReBMxV6p94wRxzEy.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/3tzpJ8ReBMxV6p94wRxzEy.
Winters on Subway (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x032247f76f2bc5d4f0761c3b07541c0444b646db7b2a02bc45119b56e3e6c0cf","isrc":"USSM10108399","name":"Winters on Subway (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-07T05:44:17Z","spotify_id":"0Ifnux5OzaFFnC2SvyW7Lk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x032247f76f2bc5d4f0761c3b07541c0444b646db7b2a02bc45119b56e3e6c0cf. 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/0Ifnux5OzaFFnC2SvyW7Lk.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/0Ifnux5OzaFFnC2SvyW7Lk.
Headscarf (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0xec21a02b1fc0756ff7482be99e5e6b46d21e3d35c6692b81508b7c97ef4bbd3f","isrc":"USSM10108400","name":"Headscarf (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-08T03:21:55Z","spotify_id":"1xxtNlqxmmYojlL7sEu1OJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec21a02b1fc0756ff7482be99e5e6b46d21e3d35c6692b81508b7c97ef4bbd3f. 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/1xxtNlqxmmYojlL7sEu1OJ.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/1xxtNlqxmmYojlL7sEu1OJ.
Buck in Hospital (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0xf8c992fa4b7aef795261d1c00465075876e93fe4ec531d01884e9457e1d08fb9","isrc":"USSM10108401","name":"Buck in Hospital (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-08T03:16:01Z","spotify_id":"5oT17OlRYdp38jIdNqpyHj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8c992fa4b7aef795261d1c00465075876e93fe4ec531d01884e9457e1d08fb9. 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/5oT17OlRYdp38jIdNqpyHj.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/5oT17OlRYdp38jIdNqpyHj.
Plaisir d'amour (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x70482da20ce70870ad6ffe7d26c3ac062aff6aaf2348abd28487f1e70650d46a","isrc":"USSM10108402","name":"Plaisir d'amour (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-07T19:59:10Z","spotify_id":"66yVt4edUi7kLS48w7NAej","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70482da20ce70870ad6ffe7d26c3ac062aff6aaf2348abd28487f1e70650d46a. 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/66yVt4edUi7kLS48w7NAej.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/66yVt4edUi7kLS48w7NAej.
Preparing for Patrol (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0xa624ff5732a0631d3d350f5debc4181d2a1fcc7b0003543832828e495827b460","isrc":"USSM10108403","name":"Preparing for Patrol (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-08T20:06:41Z","spotify_id":"2PX0i51yiUUsl0PC96iPUF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa624ff5732a0631d3d350f5debc4181d2a1fcc7b0003543832828e495827b460. 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/2PX0i51yiUUsl0PC96iPUF.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/2PX0i51yiUUsl0PC96iPUF.
Discovery of the Camp (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x1b192559aefbc660f4fe16bba412665332d1095d2e011b8d11496a40d32a0a49","isrc":"USSM10108405","name":"Discovery of the Camp (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-08T03:19:02Z","spotify_id":"3sgSulvp8A0heilMX06cVz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b192559aefbc660f4fe16bba412665332d1095d2e011b8d11496a40d32a0a49. 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/3sgSulvp8A0heilMX06cVz.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/3sgSulvp8A0heilMX06cVz.
Nixon's Walk (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0xf94c3a74353b51ab5ab62bf5baffaa4948fbfe88d6f815eb2c9fc855f21cf3d4","isrc":"USSM10108406","name":"Nixon's Walk (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-08T12:04:25Z","spotify_id":"7IbFIkvna4i7vejBusgvW8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf94c3a74353b51ab5ab62bf5baffaa4948fbfe88d6f815eb2c9fc855f21cf3d4. 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/7IbFIkvna4i7vejBusgvW8.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/7IbFIkvna4i7vejBusgvW8.
Austria (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0x0385e9c81d3a773adc1df0873c9d9120e6a7ada844e3e23926137ee0f3d04d9d","isrc":"USSM10108407","name":"Austria (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-05T21:29:25Z","spotify_id":"3CsFXteBDVCU0ajdXnZT7s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0385e9c81d3a773adc1df0873c9d9120e6a7ada844e3e23926137ee0f3d04d9d. 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/3CsFXteBDVCU0ajdXnZT7s.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/3CsFXteBDVCU0ajdXnZT7s.
Band of Brothers - Requiem (From the HBO Miniseries "Band of Brothers" Soundtrack)
{"copyright_id":"0xa449680404c74eeb9f1cc583e41feb11c4c561d4737f433f2d4d3a244460f056","isrc":"USSM10108408","name":"Band of Brothers - Requiem (From the HBO Miniseries \"Band of Brothers\" Soundtrack)","registered_at":"2026-06-06T17:11:21Z","spotify_id":"6SosKiW8KYL7oSrDVBZguX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa449680404c74eeb9f1cc583e41feb11c4c561d4737f433f2d4d3a244460f056. 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/6SosKiW8KYL7oSrDVBZguX.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/6SosKiW8KYL7oSrDVBZguX.