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 0x0bb5e965cd1c798e731e30b8ca96f16477e852c13818bb5f06dfa90c919e3bdd. 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/1ca944fa-ddc0-466a-93de-cbc4a4f48a28.json and https://artists.proofprofile.net/proofs/artist/1ca944fa-ddc0-466a-93de-cbc4a4f48a28.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
THEME FROM FIRST QUESTION AWARD - English version
Mic Check (Money Mark's Microphone Feed Back Mix)
The Micro Disneycal World Tour (High Llamas Remix)
New Music Machine (Buffalo Daughter Remix)
Star Fruit Surf Rider (Damon Albarn Remix)
Typewrite Lesson (Coldcut's Writer's Block Mix)
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 0x62e3d4e7060945e79c2a9f1f51745d3fca652efc08eb48b6ed9c799ed2539da2. 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/4Fn4qJf3wz9PbCA9HI2QoY.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/4Fn4qJf3wz9PbCA9HI2QoY.
{"copyright_id":"0x9f4995cad140bade2b2aebd5642902092155c3447b6b3b8edf53689c75e505d9","isrc":"JPWPO1071087","name":"God Only Knows","registered_at":"2026-06-28T21:16:55Z","spotify_id":"4HlpvuLamfGcZ71DXajjkn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f4995cad140bade2b2aebd5642902092155c3447b6b3b8edf53689c75e505d9. 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/4HlpvuLamfGcZ71DXajjkn.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/4HlpvuLamfGcZ71DXajjkn.
Point of View Point - Yann Tomita Mix - 2002
Drop - The Tusen Takk Rework - Kings of Convenience Mix - 2002
Drop - Herbert's Kangaroo Dub - Matthew `Cactus' Herbert Mix - 2002
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d24ca7c4d9f77773ceaf8d68542b0dc3f328b7998d0636f87434f48dacfba9. 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/5IguLn3ZZxhhEKvaOp7aZH.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/5IguLn3ZZxhhEKvaOp7aZH.
Opening 〜 Breezin' - Ultimate Sensuous Synchronized Show Version
Wataridori - Ultimate Sensuous Synchronized Show Version
Gum - Ultimate Sensuous Synchronized Show Version
Toner - Ultimate Sensuous Synchronized Show Version
Smoke - Ultimate Sensuous Synchronized Show Version
Tone Twilight Zone - Ultimate Sensuous Synchronized Show Version
Drop - Ultimate Sensuous Synchronized Show Version
Point Of View Point - Ultimate Sensuous Synchronized Show Version
Count Five Or Six〜I Hate Hate - Ultimate Sensuous Synchronized Show Version
Scum - Ultimate Sensuous Synchronized Show Version
Omstart - Ultimate Sensuous Synchronized Show Version
Beep It - Ultimate Sensuous Synchronized Show Version
Monkey - Ultimate Sensuous Synchronized Show Version
Star Fruits Surf Rider - Ultimate Sensuous Synchronized Show Version
Fit Song - Ultimate Sensuous Synchronized Show Version
Like a Rolling Stone - Ultimate Sensuous Synchronized Show Version
Music - Ultimate Sensuous Synchronized Show Version
Sensuous - Ultimate Sensuous Synchronized Show Version
Eyes - Ultimate Sensuous Synchronized Show Version
E - Ultimate Sensuous Synchronized Show Version
Sleep Warm - Ultimate Sensuous Synchronized Show Version
THE MICRO DISNEYCAL WORLD TOUR - High Llamas Remix
STAR FRUITS SURF RIDER - Damon Albarn Remix
E 1/2 - Live at Glastonbury Festival, 1999/06/17
デザインあ のテーマ (うた ショコラ)
やじるしソング(うた やくしまるえつこ)
The Spell of a Vanishing Loveliness (Beach Fossils Rework)
The Spell of a Vanishing Loveliness - Beach Fossils Rework
デザインあのテーマ (うた ショコラ)
めでたい - だるま (うた KAKATO - 環ROY × 鎮座DOPENESS)
If You're Here - Recorded at Spotify Studios NYC
Passionfruit - Recorded at Spotify Studios NYC
Spotify Singles (Recorded at Spotify Studios NYC)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911d629fe8988c976ce73ac44811eb8888dfa2f518dd342179959014456a8924. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/23O0AIJgFI1f471IpQ6BQW.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/23O0AIJgFI1f471IpQ6BQW.
{"copyright_id":"0xc4b8bbef16113d9c5846f0d2619ad23346167115b47fa8901a54920ce2dbcf31","isrc":"USA2P1821833","name":"Passionfruit - Recorded at Spotify Studios NYC","registered_at":"2026-06-20T23:38:25Z","spotify_id":"6J9zxKCEL2fdaVy92OQxij","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4b8bbef16113d9c5846f0d2619ad23346167115b47fa8901a54920ce2dbcf31. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6J9zxKCEL2fdaVy92OQxij.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/6J9zxKCEL2fdaVy92OQxij.
In a Dream - NPR Music's Tiny Desk Concert
Helix / Spiral - Reginald Omas Mamode IV Rework
Mellow Yellow Feel - Hiatus Kaiyote Rework
Surfing on Mind Wave Pt2 - Liquid Fairy - A Sound Collage by Lawrence
If You're Here - Ryuichi Sakamoto Rework
Surfing on Mind Wave, Pt. 2 - Fairy Liquid - A Sound Collage by Lawrence
Passionfruit (Recorded at Spotify Studios NYC)
If You're Here (Recorded at Spotify Studios NYC)
In a Dream (NPR Music's Tiny Desk Concert)
Helix / Spiral (Reginald Omas Mamode IV Rework)
Mellow Yellow Feel (Hiatus Kaiyote Rework)
Surfing on Mind Wave, Pt. 2 (Fairy Liquid - A Sound Collage by Lawrence)
If You're Here (Ryuichi Sakamoto Rework)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911d629fe8988c976ce73ac44811eb8888dfa2f518dd342179959014456a8924. 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/4MXxtyTbgaQzy7t4ezpZtW.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/4MXxtyTbgaQzy7t4ezpZtW.
{"copyright_id":"0xc4b8bbef16113d9c5846f0d2619ad23346167115b47fa8901a54920ce2dbcf31","isrc":"USA2P1821833","name":"Passionfruit - Recorded at Spotify Studios NYC","registered_at":"2026-06-20T23:38:25Z","spotify_id":"7It4zopBMUEaJ9F24CF3tG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4b8bbef16113d9c5846f0d2619ad23346167115b47fa8901a54920ce2dbcf31. 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/7It4zopBMUEaJ9F24CF3tG.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/7It4zopBMUEaJ9F24CF3tG.
{"copyright_id":"0xc112ca0afa92e8ecff718d0c71a84e15ade0633212b68e35675216ff8f4fd5fc","isrc":"USA2P1810263","name":"The Spell of a Vanishing Loveliness - Beach Fossils Rework","registered_at":"2026-06-25T18:06:48Z","spotify_id":"7oX1ZRcWzrbckk4njLjefP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc112ca0afa92e8ecff718d0c71a84e15ade0633212b68e35675216ff8f4fd5fc. 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/7oX1ZRcWzrbckk4njLjefP.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/7oX1ZRcWzrbckk4njLjefP.
Drop (The Tusen Takk Rework - Kings of Convenience Remix)
Drop (Herbert's Kangaroo Dub / Matthew 'cactus' herbert Mix)
Change and Vanish (feat. mei ehara) - John Carroll Kirby Remix
変わる消える (feat. mei ehara) - John Carroll Kirby Remix
Thatness And Thereness - Cornelius Remodel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e41e031cac948182dffab1ee6477b93057df2dfc876a5c28e85e7d423220530. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3u4XdBk52wpjk0j02jwrx1.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/3u4XdBk52wpjk0j02jwrx1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ae3b5625b1bfab720de2882e7ba7fab0b9390659387a52615961d620e09e139. 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/2NllsXTI6BFRG9VR7B5Raf.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/2NllsXTI6BFRG9VR7B5Raf.
25周年記念アルバム シングルコレクション＋ アチコチ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a8582a7a5e9a19dc3e01f2ae600f3e88e60717becc6511bc3449122211b2cf. 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/4lG7PjB4Hpkil5G1xmO1yZ.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/4lG7PjB4Hpkil5G1xmO1yZ.
{"copyright_id":"0x723df58211e803df659649b0abafd119a0d258883e90c5d10a7187320321ba99","isrc":"GBAYE1200209","name":"Tender - Cornelius Remix; 2012 Remaster","registered_at":"2026-06-18T14:44:02Z","spotify_id":"2IWEkHLflOZzBEQ6HHBomd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x723df58211e803df659649b0abafd119a0d258883e90c5d10a7187320321ba99. 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/2IWEkHLflOZzBEQ6HHBomd.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/2IWEkHLflOZzBEQ6HHBomd.
This Is My Truth Tell Me Yours: 20 Year Collectors' Edition (Remastered)
Compass: Mexican Institute Of Sound + Toy Selectah
{"copyright_id":"0xa413adaf4eff3390514a8a4bb023adb7ab20e67dda3b4d1e3d4b85beb5c65a92","isrc":"USAM10000085","name":"Brand New Day - Cornelius Mix","registered_at":"2026-06-20T23:40:07Z","spotify_id":"4XVwauelexa9FZ8sfBB07C","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa413adaf4eff3390514a8a4bb023adb7ab20e67dda3b4d1e3d4b85beb5c65a92. 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/4XVwauelexa9FZ8sfBB07C.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/4XVwauelexa9FZ8sfBB07C.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc135c1d7e51c6939297f0c67f21517869b28e5ef74db67249502c81f7e290233. 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/5pkvDUPmXkTuzE5eH52dxI.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/5pkvDUPmXkTuzE5eH52dxI.
Aluku Records Various Compilation SA Edition
{"copyright_id":"0x509ddd3200df592df96ab3499403aa1f6737de3c6ea7846331bde5a9ed588d96","isrc":"AUUM72000722","name":"Music Is The Light","registered_at":"2026-06-06T16:48:12Z","spotify_id":"5eDLEMBoefYrDbhAycL5LK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x509ddd3200df592df96ab3499403aa1f6737de3c6ea7846331bde5a9ed588d96. 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/5eDLEMBoefYrDbhAycL5LK.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/5eDLEMBoefYrDbhAycL5LK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e41e031cac948182dffab1ee6477b93057df2dfc876a5c28e85e7d423220530. 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/1VF7Jv54DRgUaHjjpGqwus.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/1VF7Jv54DRgUaHjjpGqwus.
Since I Left You (20th Anniversary Deluxe Edition)
{"copyright_id":"0xe3d7c31c2559f460a7171ca99c1de3d261416d592faab4dcaf57b56d3d7ed71b","isrc":"AUUM71301276","name":"Since I Left You - Cornelius Remix","registered_at":"2026-06-24T10:46:31Z","spotify_id":"7FkfUH8uc1cgG3V8tXjGcP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d7c31c2559f460a7171ca99c1de3d261416d592faab4dcaf57b56d3d7ed71b. 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/7FkfUH8uc1cgG3V8tXjGcP.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/7FkfUH8uc1cgG3V8tXjGcP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x432fc9359570af3dc47bd270f6801e757af81f3698918042392af64d06ba31b2. 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/59OYWTqNG3iBIVu4inVpPh.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/59OYWTqNG3iBIVu4inVpPh.
{"copyright_id":"0xa413adaf4eff3390514a8a4bb023adb7ab20e67dda3b4d1e3d4b85beb5c65a92","isrc":"USAM10000085","name":"Brand New Day - Cornelius Mix","registered_at":"2026-06-20T23:40:07Z","spotify_id":"75EBPslT1D0dU91PDIhHxL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa413adaf4eff3390514a8a4bb023adb7ab20e67dda3b4d1e3d4b85beb5c65a92. 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/75EBPslT1D0dU91PDIhHxL.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/75EBPslT1D0dU91PDIhHxL.