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 0x33d118798b98336fd5c73b4da030ab73fe4984fb3ac08f2cd7d1de8d9af1d8d4. 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/6cb1e8ef-0897-4aff-aab6-2ed0abf8ebcb.json and https://artists.proofprofile.net/proofs/artist/6cb1e8ef-0897-4aff-aab6-2ed0abf8ebcb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Legend of Zelda: A Link to the Flute, Pt. 1
The Legend of Zelda: A Link to the Flute (Part 2)
Hateno Village (From "Legend of Zelda: Breath of the Wild")
Song of Healing (From "Legend of Zelda: Majora's Mask")
Agatha's Castle (From "Legend of Zelda: Twilight Princess")
Safety in the Sanctuary (From "Legend of Zelda: A Link Between Worlds")
Rito Village (From "Legend of Zelda: Breath of the Wild")
Milk Bar (From "Legend of Zelda: Majora's Mask")
Tonari No Totoro (From “My Neighbor Totoro”)
If I Were A Bird (From “Code Geass Lelouch of the Rebellion”)
{"copyright_id":"0xb65f58077bc6014a5fce8693dd5199c1b6cd36027abeb9b7fb71dde5f7f0c62a","isrc":"QZGWX2000770","name":"Thomas the Tank Engine","registered_at":"2026-06-10T21:41:24Z","spotify_id":"79AV2qRfXpnTJltDS5mTcj","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 0xb65f58077bc6014a5fce8693dd5199c1b6cd36027abeb9b7fb71dde5f7f0c62a. 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/79AV2qRfXpnTJltDS5mTcj.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/79AV2qRfXpnTJltDS5mTcj.
{"copyright_id":"0x2d00f3497a2137de798179eb966fc5bcd21a0c5a1a9e2e0aad659a3f74d556e8","isrc":"QZGWX2000771","name":"Edward the Blue Engine","registered_at":"2026-06-11T03:35:31Z","spotify_id":"5nM6lair7nerNgHqamfLpM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d00f3497a2137de798179eb966fc5bcd21a0c5a1a9e2e0aad659a3f74d556e8. 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/5nM6lair7nerNgHqamfLpM.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/5nM6lair7nerNgHqamfLpM.
{"copyright_id":"0xaea3fb48cddb074d07ba78961f9feae58902affb86d208c41f294f42a9e23f32","isrc":"QZGWX2000772","name":"Gordon the Big Engine","registered_at":"2026-06-18T06:16:11Z","spotify_id":"572mWRRimQ9lEdot3bmHNl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaea3fb48cddb074d07ba78961f9feae58902affb86d208c41f294f42a9e23f32. 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/572mWRRimQ9lEdot3bmHNl.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/572mWRRimQ9lEdot3bmHNl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df3c59a5577e765349db6751c864aa2e85132c0ea16db48b02836a36b75545b. 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/02lXylSXm0mCKcML6GZUo2.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/02lXylSXm0mCKcML6GZUo2.
{"copyright_id":"0xc8b2ee0756728f52b81349e8730d44558c618a18912f7ffa47a584b41bd9d9c1","isrc":"QZGWX2000774","name":"Duck the Great Western Engine","registered_at":"2026-06-18T21:51:21Z","spotify_id":"73BoMObtS9cmaKbsqj4yTR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8b2ee0756728f52b81349e8730d44558c618a18912f7ffa47a584b41bd9d9c1. 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/73BoMObtS9cmaKbsqj4yTR.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/73BoMObtS9cmaKbsqj4yTR.
{"copyright_id":"0x6e5134f7aa617b0c1ce31746fe45867695dbd40319ea24b498d75500fcb1ac83","isrc":"QZGWX2000775","name":"Toby the Tram Engine","registered_at":"2026-06-20T01:21:38Z","spotify_id":"2OGDtxcFoMnvQlRGDf65R3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e5134f7aa617b0c1ce31746fe45867695dbd40319ea24b498d75500fcb1ac83. 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/2OGDtxcFoMnvQlRGDf65R3.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/2OGDtxcFoMnvQlRGDf65R3.
{"copyright_id":"0x9df8a0196f3459ce051ac6de3de4cfc76be630b72e0bce1fd7a31f2c5c24ec4f","isrc":"QZGWX2000776","name":"Terence the Tractor","registered_at":"2026-06-21T10:44:47Z","spotify_id":"7xmNC8d2OI1G9423SdoNoC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df8a0196f3459ce051ac6de3de4cfc76be630b72e0bce1fd7a31f2c5c24ec4f. 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/7xmNC8d2OI1G9423SdoNoC.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/7xmNC8d2OI1G9423SdoNoC.
Main Theme (From "Thomas the Tank Engine")
{"copyright_id":"0x9fd60401e9d2f1a9d47dff82b171b0622e1aab028976ab42113f82d34ddfcc9d","isrc":"QZGWX2053082","name":"James the Red Engine (Jazz)","registered_at":"2026-06-29T20:45:40Z","spotify_id":"6T8atIfVQlKsSqirqvII6I","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fd60401e9d2f1a9d47dff82b171b0622e1aab028976ab42113f82d34ddfcc9d. 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/6T8atIfVQlKsSqirqvII6I.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/6T8atIfVQlKsSqirqvII6I.
James the Splendid Engine - Orchestral Instrumental
Rusty the Siding Inspection Diesel - Instrumental
Ocarina of Time (From "The Legend of Zelda: Ocarina of Time")
Nayru's Song (From "The Legend of Zelda: Oracle of Ages")
Ballad of the Goddess (From "The Legend of Zelda: Skyward Sword")
Ballad of the Windfish (From "The Legend of Zelda: Link's Awakening")
Spencer the Silver Engine - Instrumental
Donald and Douglas the Scottish Twins - Instrumental
Dimensions for Contrabass Clarinet and Strings
Henry the Green Engine / The Flying Kipper - Instrumental
Fergus the Traction Engine - Instrumental
Fallen Down (From "Undertale") - Contrabass Flute Version
Gymnopédie No. 1 - Alto Flute & Piano Version
It's Raining Somewhere Else (From "Undertale")
Outer Fields for Alto Clarinet & Strings
Battle Against A True Hero (From "Undertale")
Gerudo Valley (From "The Legend of Zelda: Ocarina of Time")
Field of Hopes and Dreams (From "Deltarune")
Lost Woods (From "The Legend of Zelda: Ocarina of Time")
{"copyright_id":"0x083064ddc480053c853e226988b87172c0719168f5d9f9af1f84d66170ea904d","isrc":"QZPJ32292162","name":"Lost Woods (From \"The Legend of Zelda: Ocarina of Time\")","registered_at":"2026-06-28T19:27:19Z","spotify_id":"4j2NX3MWS3DjMkSm9hhhTH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x083064ddc480053c853e226988b87172c0719168f5d9f9af1f84d66170ea904d. 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/4j2NX3MWS3DjMkSm9hhhTH.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/4j2NX3MWS3DjMkSm9hhhTH.
Skating (From "A Charlie Brown Christmas")
Stickerbush Symphony (From "Donkey Kong Country 2")
GTA Theme (From: "Grand Theft Auto: San Andreas")
Merry-Go-Round of Life (From "Howl's Moving Castle") - Flute and Piano
Soviet Connection (From: "Grand Theft Auto IV")
Secret of the Forest (From "Chrono Trigger")
Song of Storms (From "The Legend of Zelda: Ocarina of Time")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd87dfd571ca721f5dc75ff98b8b775c5ad55eb103037cb34cd78bfdbc8b5af7. 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/5gCF16IIQI7jcq6MY9NfR9.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/5gCF16IIQI7jcq6MY9NfR9.
Welcome to Los Santos (From "Grand Theft Auto V")
{"copyright_id":"0x09fe1f5a0f5fce7bd69267e942b1c392325c88be3832a1974ac03aaaab783206","isrc":"QZPJ32365073","name":"Sweden (From \"Minecraft\")","registered_at":"2026-06-29T13:20:04Z","spotify_id":"6BwAQgoYHgbviVqscc2uAe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09fe1f5a0f5fce7bd69267e942b1c392325c88be3832a1974ac03aaaab783206. 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/6BwAQgoYHgbviVqscc2uAe.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/6BwAQgoYHgbviVqscc2uAe.
Rocket Jump Waltz (from "Team Fortress 2")
Midna's Lament (From "The Legend of Zelda: Twilight Princess")
Christmas Time Is Here (From "A Charlie Brown Christmas")
GTA Theme (from "Grand Theft Auto: Vice City")
Down by the River (from "Baldur's Gate III")
Dark March (from "Grand Theft Auto: Liberty City Stories")
Lost Ancient Ruins (From "The Legend of Zelda: A Link to the Past")
C Major Scale on 123 Instruments Together
Choral Chambers (from Hollow Knight: Silksong)
The Legend of Zelda Saga Collab - Part 1