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 0xc896f033f4677fe2566d4aba7aa2e0bbff6d3037b7736ff1e589934fb16de263. 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/c192c36c-9a20-4760-95b6-856325e62231.json and https://artists.proofprofile.net/proofs/artist/c192c36c-9a20-4760-95b6-856325e62231.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 0xbea84e3236fcbc1c81774e82eeb46e92b9417ebd85bd3eafb09ee5d8820d5719. 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/55jA930Ya197nLtH6ySSae.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/55jA930Ya197nLtH6ySSae.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea84e3236fcbc1c81774e82eeb46e92b9417ebd85bd3eafb09ee5d8820d5719. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3c9cxqkGLo0C4Wp8AabGfn.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/3c9cxqkGLo0C4Wp8AabGfn.
Are You Champion? Yeah!! I'm Champion !!
Are You Champion? Yeah!! I'm Champion !!(カラオケver.)
{"copyright_id":"0x4ec1db7ab1848555431deb3fa099502d9dcbe13b5888dcdcd9c1e5b69d2c123a","isrc":"JPN301300912","name":"JUST ONE LIFE","registered_at":"2026-06-28T21:51:06Z","spotify_id":"2ycZARKBcd2107GiMM2qCC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ec1db7ab1848555431deb3fa099502d9dcbe13b5888dcdcd9c1e5b69d2c123a. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ycZARKBcd2107GiMM2qCC.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/2ycZARKBcd2107GiMM2qCC.
GLORY (Live at Zepp DiverCity 2014.12.30)
アイム・ア・ビリーバー -ハイキュー!!セカンドシーズン Edit-
イマジネーション (Live at FUJI-Q HIGHLAND 2015.8.8)
JUST ONE LIFE (Live at NHK Hall 2016.3.10)
My World （DYNAMITE at Saitama Super Arena 2015.12.22)
I Wanna Be... - Live - JUST LIKE THIS 2018
現状ディストラクション - Live - JUST LIKE THIS 2017
{"copyright_id":"0x67ed27f0486a625fe01ba08f5b805e46f2f41da93db4af8506c62051874e5efe","isrc":"JPU902003281","name":"サクラミツツキ - Live - JUST LIKE THIS 2016","registered_at":"2026-06-29T00:53:51Z","spotify_id":"7gb04FHYMOWZQIEPEU3wU6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67ed27f0486a625fe01ba08f5b805e46f2f41da93db4af8506c62051874e5efe. 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/7gb04FHYMOWZQIEPEU3wU6.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/7gb04FHYMOWZQIEPEU3wU6.
サムライハート(Some Like It Hot!!) - Live - JUST LIKE THIS 2015
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c9844ba90838e258b2e93297b710bac1c1c98bf8603a80cd307663e0ecf101. 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/5fDLIvCs6p4WKs8ctGYTCk.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/5fDLIvCs6p4WKs8ctGYTCk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001a29c48013da588e18662dbe75c81d7b72922aae32468dfde0aef74660ad36. 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/1wQvj3pThSir8In5NhulMK.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/1wQvj3pThSir8In5NhulMK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea84e3236fcbc1c81774e82eeb46e92b9417ebd85bd3eafb09ee5d8820d5719. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0pYQACJEUejtEA9R5Dbte1.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/0pYQACJEUejtEA9R5Dbte1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c9844ba90838e258b2e93297b710bac1c1c98bf8603a80cd307663e0ecf101. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4awlAPS4uLvlZH464UnE9u.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/4awlAPS4uLvlZH464UnE9u.
{"copyright_id":"0x4ec1db7ab1848555431deb3fa099502d9dcbe13b5888dcdcd9c1e5b69d2c123a","isrc":"JPN301300912","name":"JUST ONE LIFE","registered_at":"2026-06-28T21:51:06Z","spotify_id":"0BCWTYkHfd8BQXTDOfxz9u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ec1db7ab1848555431deb3fa099502d9dcbe13b5888dcdcd9c1e5b69d2c123a. 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/0BCWTYkHfd8BQXTDOfxz9u.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/0BCWTYkHfd8BQXTDOfxz9u.
サムライハート(Some Like It Hot!!) - From THE FIRST TAKE
イマジネーション (Live at Sony Music AnimeSongs ONLINE 2022)
イマジネーション - Live at Sony Music AnimeSongs ONLINE 2022
轍～Wadachi～ (Live at Sony Music AnimeSongs ONLINE 2022)
轍～Wadachi～ - Live at Sony Music AnimeSongs ONLINE 2022
サムライハート(Some Like It Hot!!) -New Version-
サムライハート(Some Like It Hot!!) - New Version -
アイム・ア・ビリーバー - New Version - - Instrumental
Rockin' the World - JUST LIKE THIS 2023 Live
WENDY ～It's You～ - JUST LIKE THIS 2023 Live
JUST ONE LIFE - JUST LIKE THIS 2023 Live
{"copyright_id":"0x252b8c6d8cf906d0238593db5d9b1ca5f7df8957c3a3a4e237c31d8ce5b2794a","isrc":"JPU902305306","name":"JUST ONE LIFE - JUST LIKE THIS 2023 Live","registered_at":"2026-06-29T00:53:12Z","spotify_id":"5PymCZFDx5C6bVrlYXrWI3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x252b8c6d8cf906d0238593db5d9b1ca5f7df8957c3a3a4e237c31d8ce5b2794a. 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/5PymCZFDx5C6bVrlYXrWI3.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/5PymCZFDx5C6bVrlYXrWI3.
{"copyright_id":"0x185e8be6e2c792256242d19bdf2e676077d06a80fd50514fc9a9aaff28ebfa12","isrc":"JPU902305307","name":"現状ディストラクション - JUST LIKE THIS 2023 Live","registered_at":"2026-06-29T01:02:55Z","spotify_id":"2ZQSZTml54V6LGKBVOkbJp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x185e8be6e2c792256242d19bdf2e676077d06a80fd50514fc9a9aaff28ebfa12. 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/2ZQSZTml54V6LGKBVOkbJp.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/2ZQSZTml54V6LGKBVOkbJp.
{"copyright_id":"0xc745a7d74ba0d19bf3c75d7e8e1fdae69a9f361dd2437024c7f964c9610e6df4","isrc":"JPU902305308","name":"My World - JUST LIKE THIS 2023 Live","registered_at":"2026-06-29T00:59:50Z","spotify_id":"7bbD5l3Jk6tS7hJDZfCaen","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc745a7d74ba0d19bf3c75d7e8e1fdae69a9f361dd2437024c7f964c9610e6df4. 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/7bbD5l3Jk6tS7hJDZfCaen.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/7bbD5l3Jk6tS7hJDZfCaen.
BEAUTIFUL DAYS - JUST LIKE THIS 2023 Live
We'll Never Die - JUST LIKE THIS 2023 Live
サムライハート(Some Like It Hot!!) - JUST LIKE THIS 2023 Live
{"copyright_id":"0x21771293a2c40097149d8000bf0914c7b1c18da568be123b4c3fea8db4e62c0c","isrc":"JPU902305318","name":"サムライハート(Some Like It Hot!!) - JUST LIKE THIS 2023 Live","registered_at":"2026-06-29T00:50:23Z","spotify_id":"30C73MXPWUKleXjcSfHNV2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21771293a2c40097149d8000bf0914c7b1c18da568be123b4c3fea8db4e62c0c. 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/30C73MXPWUKleXjcSfHNV2.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/30C73MXPWUKleXjcSfHNV2.
JUST LIKE THIS - JUST LIKE THIS 2023 Live
ジャパニケーション - Live at EX THEATER ROPPONGI 2024.5.5
ROCKIN' OUT - Live at EX THEATER ROPPONGI 2024.5.5
WENDY ～It's You～ - Just Like This 2024 Live
BEAUTIFUL DAYS - Just Like This 2024 Live
Stay together - Just Like This 2024 Live
JUST ONE LIFE - Just Like This 2024 Live
サムライハート(Some Like It Hot!!) - Just Like This 2024 Live
JUST LIKE THIS - Just Like This 2024 Live