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 0xdba4e3b712c0d112b46e6ce724abb8e25f37f249100197a97f2094ea346ac7c0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c9fbda3d-86f5-432a-8155-704382522571.json and https://artists.proofprofile.net/proofs/artist/c9fbda3d-86f5-432a-8155-704382522571.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Musik ur filmerna Agnes Cecilia och Freud flyttar hemifrån (Original Motion Picture Soundtrack)
Pensionat Oskar (Original Motion Picture Soundtrack)
Brothers (Original Motion Picture Soundtrack)
Let the Right One In (Original Motion Picture Soundtrack) [Låt den rätte komma in]
Let the Right One In (Original Motion Picture Soundtrack)
In a Better World (Hævnen) [Original Soundtrack]
Jägarna 2 / False Trail - Original Soundtrack
Kon Tiki (Original Motion Picture Soundtrack)
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 0x7f3ff4462b08f2801b610d2e77210a93addf7d645952241a0ef49d925a9705b9. 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/3l14JNYYux5UR7v9rePeSW.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/3l14JNYYux5UR7v9rePeSW.
{"copyright_id":"0x3d95a12ff45ddd1cb0d9ef673ca36a0b9344fec1e0a3c5a371efe4514dad5a80","isrc":"USSM11302282","name":"Thor and Liv","registered_at":"2026-06-05T07:09:11Z","spotify_id":"7dXzN1jTxmeqIo8Q2XiEkq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d95a12ff45ddd1cb0d9ef673ca36a0b9344fec1e0a3c5a371efe4514dad5a80. 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/7dXzN1jTxmeqIo8Q2XiEkq.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/7dXzN1jTxmeqIo8Q2XiEkq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48b3b4782d044186c28e202063fca1d2f11f52bca0a8997b2c639d58e026a293. 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/4oV59OWQZQm8a2voNP6DfN.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/4oV59OWQZQm8a2voNP6DfN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x322e2d26c6dc992bf19e81205244a79931f60d3a3d2a133fc00f9dc53e8f71c1. 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/2Ewe6Ytjd7SVn1SpHxOdKo.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/2Ewe6Ytjd7SVn1SpHxOdKo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc5928c8150888c7197a79a4b8d6a1b4d96baa26a74b9f9cf960b4cc4dd388a9. 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/0K2RVhcwM3utxhKYksABHa.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/0K2RVhcwM3utxhKYksABHa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf995c5d61caf75257dc8db8e93b42631117372caa6ba4b7aa426cbc45a0696a. 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/39v9N2QIb0v57HXXHZ1HLO.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/39v9N2QIb0v57HXXHZ1HLO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388c1d7c6062791319ee8f63ddda1f6bac8759847897e79523bba805795f71dc. 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/6VOiPQTOgqiFiyRmgeTXuj.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/6VOiPQTOgqiFiyRmgeTXuj.
{"copyright_id":"0x73d64743c68c2cf570aecc85b4dabb114ebd501c8db24cf5cba0d55c9cc32927","isrc":"USSM11302292","name":"The Crab","registered_at":"2026-06-11T03:15:39Z","spotify_id":"6wpHHmCY4WzaDpOGxfdmmS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d64743c68c2cf570aecc85b4dabb114ebd501c8db24cf5cba0d55c9cc32927. 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/6wpHHmCY4WzaDpOGxfdmmS.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/6wpHHmCY4WzaDpOGxfdmmS.
{"copyright_id":"0xa4038762b8540bcff22f6cac6a63c30d8efcca9a146e9f76e40b38f780f56b1b","isrc":"USSM11302294","name":"Building the Raft","registered_at":"2026-06-18T00:57:21Z","spotify_id":"2tu4IuPHJ5VkF7gkzFzIYJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4038762b8540bcff22f6cac6a63c30d8efcca9a146e9f76e40b38f780f56b1b. 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/2tu4IuPHJ5VkF7gkzFzIYJ.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/2tu4IuPHJ5VkF7gkzFzIYJ.
{"copyright_id":"0x6454e529c75ab07dc234ac5fc448eb904f4f93cbda672ccd8b4e34f1f3f2550c","isrc":"USSM11302300","name":"The Letter","registered_at":"2026-06-18T18:03:58Z","spotify_id":"1KQimPlN4pDbXyiCBIt3cz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6454e529c75ab07dc234ac5fc448eb904f4f93cbda672ccd8b4e34f1f3f2550c. 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/1KQimPlN4pDbXyiCBIt3cz.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/1KQimPlN4pDbXyiCBIt3cz.
{"copyright_id":"0x7f471b6ff71ffa8d7ea6d7cea00fd3b711d127acde24158328f4e95a487ec2bb","isrc":"USSM11302304","name":"The Seagull","registered_at":"2026-06-24T16:17:11Z","spotify_id":"03Ovjpe5kitmqdk2SNWoTT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f471b6ff71ffa8d7ea6d7cea00fd3b711d127acde24158328f4e95a487ec2bb. 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/03Ovjpe5kitmqdk2SNWoTT.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/03Ovjpe5kitmqdk2SNWoTT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7173915987d2071cec3ca96f1caeb0dbcb60ef7cf9a16e2a728837b12f181174. 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/04U0lTJcxrDZ362vv8KXXz.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/04U0lTJcxrDZ362vv8KXXz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef006d76118fd37680d22706299f2318a7f782699374a84aa24361795e7f8f21. 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/5RF41RUqvcHlB64PvYdUex.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/5RF41RUqvcHlB64PvYdUex.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x885abddab3b2979c08d7e1e1967863d1744fdfe53b63ff9f25468b252554024e. 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/59xlFXSlV8lI2eR3lmL9y3.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/59xlFXSlV8lI2eR3lmL9y3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1e7c438cad5419761c308f2b9833f57264345974f0ccfbee2dbc0e94064b563. 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/76Wq8ltkKzakK3FEATI2XU.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/76Wq8ltkKzakK3FEATI2XU.
King of Devil's Island (Original Motion Picture Soundtrack)
The Absent One (Original Motion Picture Soundtrack)
Kvinden I Buret (Originalmusik Fra Filmen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4434b76aa7ef6d6d68b73303b2424710198e2ddb1c18b2a9616b9909880574fc. 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/7zAys0jGQPyn765qOqIWND.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/7zAys0jGQPyn765qOqIWND.
{"copyright_id":"0x8daf3ba2ba843149920c9d9f718224f1a0e5fc34b49084038988a54afdcbcea4","isrc":"GBKPL1667549","name":"The Love Story","registered_at":"2026-06-05T10:00:31Z","spotify_id":"6aJUQGwrs5Y7hHfnbNhk0Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8daf3ba2ba843149920c9d9f718224f1a0e5fc34b49084038988a54afdcbcea4. 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/6aJUQGwrs5Y7hHfnbNhk0Y.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/6aJUQGwrs5Y7hHfnbNhk0Y.
The Keeper of Lost Causes (Original Motion Picture Soundtrack)
Fasandræberne (Originalmusik Fra Filmen)
The Limehouse Golem (Original Motion Picture Soundtrack)
Battlefield 1: They Shall Not Pass (Original Game Soundtrack)
Battlefield 1: In the Name of the Tsar (Original Game Soundtrack)
Battlefield 1: They Shall Not Pass (Original Soundtrack)
{"copyright_id":"0xe379bfdafd69ec4432979b4d19312e9cb6737e6ca10a6f452c8b9d2eb44db6ac","isrc":"CAN111700543","name":"Sword in Hand","registered_at":"2026-06-29T07:21:28Z","spotify_id":"1BhAGRFGNej3LBOba5oRi5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe379bfdafd69ec4432979b4d19312e9cb6737e6ca10a6f452c8b9d2eb44db6ac. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1BhAGRFGNej3LBOba5oRi5.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/1BhAGRFGNej3LBOba5oRi5.
Amundsen (Original Motion Picture Soundtrack)
Nobile Is Missing / Roald and Bess / Plane Crash
Battlefield 1: Turning Tides (Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea9465fbafde03229de13b3d62ed125d21a6c640bb69f0639839b7443d08a5ce. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7nHVlLkbalKvlAjKzuJ6If.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/7nHVlLkbalKvlAjKzuJ6If.
Battlefield 1: Apocalypse (Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d38c89141daaccc42601e92f5bad1bbc8956c061e742c0678af02fd928d27cc. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4fHXWDtm9ErtD67VYZ2okB.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/4fHXWDtm9ErtD67VYZ2okB.
Battlefield V: War in the Pacific (Original Soundtrack)
Battle of Dan-no-Ura - Japanese Traditional
{"copyright_id":"0x9117bf637d0fac2ded9139fcbffce289d65c48f92550135ef06fedd1d5e46220","isrc":"USLS52072803","name":"Glorious Victory","registered_at":"2026-06-29T07:17:37Z","spotify_id":"3guMfJTyvt7xzrf4iYiWHb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9117bf637d0fac2ded9139fcbffce289d65c48f92550135ef06fedd1d5e46220. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3guMfJTyvt7xzrf4iYiWHb.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/3guMfJTyvt7xzrf4iYiWHb.
The Last Vermeer (Original Motion Picture Soundtrack)
Burning Down The House (2WEI Remix) [Single from Battlefield V Original Soundtrack]
Held for Ransom (Original Motion Picture Soundtrack)
Do You See the Moon, Daniel? (End Credits)
Betrayed (Original Motion Picture Soundtrack)
Anatomy Of A Scandal (Soundtrack From The Netflix Series)
End Credits (From The Netflix Series "Anatomy Of A Scandal")
{"copyright_id":"0xe03cf768475be83b14a44a8bc7830ccac18b4c3acb7cc8ff7da6277952e33b08","isrc":"QZ8BZ2200626","name":"Anatomy Of A Scandal","registered_at":"2026-06-29T21:14:10Z","spotify_id":"0xUNQ4VZgbF8C3Tb3lBgQZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe03cf768475be83b14a44a8bc7830ccac18b4c3acb7cc8ff7da6277952e33b08. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xUNQ4VZgbF8C3Tb3lBgQZ.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/0xUNQ4VZgbF8C3Tb3lBgQZ.
The Emigrants (Original Motion Picture Soundtrack)
The Emigrants / Utvandrarna (Original Motion Picture Soundtrack)
Madame Web (Original Motion Picture Soundtrack)
Ronja the Robber's Daughter (Original Series Soundtrack)
Ronja Rövardotter (Musiken från TV-serien)