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 0xfefb1d5d1554898de0ecedae0904579161b77fac2261426de1f5e8a0deaa85c4. 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/4e042e46-e821-489a-b804-95ad212aa42c.json and https://artists.proofprofile.net/proofs/artist/4e042e46-e821-489a-b804-95ad212aa42c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
タカラモノ～この声がなくなるまで～
今のキミを忘れない ～トゥルミの崖にて （エチオピア）～
The World is ours ! (MITOMI TOKOTO REMIX)
今のキミを忘れない - Piano弾き語りver. @ 横浜アリーナ
ナオト・インティライミ HALL TOUR ～アットホールで、アットホームなキャラバン2016～
Ballooooon!! - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
ナイテタッテ - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
いつかきっと - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
しあわせになるために - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
タカラモノ～この声がなくなるまで～ - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
恋する季節 - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
Brave - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
Yeah! - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
together - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
今のキミを忘れない - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
未来へ - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
Ole! - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
おまかせピーターパン - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
カーニバる？ - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
Overflows～言葉にできなくて～ - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
The World is ours ! - HALL TOUR ～アットホールで、アットホームなキャラバン2016～
マリーポーサ ～羽ばたく未来へ～ - From『ミラベルと魔法だらけの家』
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 0xe797edc7a30182f70d0d4c570c1bc570198e7953045bece861cd2fdf745dfe85. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4EvjxBxeSjHq160dzNc9fq.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/4EvjxBxeSjHq160dzNc9fq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe797edc7a30182f70d0d4c570c1bc570198e7953045bece861cd2fdf745dfe85. 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/5IRgWqKh1cFsdJeZ3fiNIF.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/5IRgWqKh1cFsdJeZ3fiNIF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd78612b94eca77e841e6d6fdf9a250b1aa7415dfc6720f8f6ce4ae05d34a6cf2. 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/4GmVPN7v1xU9HTF0taGIyR.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/4GmVPN7v1xU9HTF0taGIyR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32bf0624e2e41c2beed1a4952ebb79da5f4db126dfe87a12c6f4878310818c80. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5RoYiVA0GUlOE2lfenCO6L.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/5RoYiVA0GUlOE2lfenCO6L.
トリステーザ - U sing with ナオト・インティライミ (KARAOKE)
Encanto (Japanese Original Motion Picture Soundtrack)
{"copyright_id":"0xc9d965cff7ce1f8af72799e9f37f1c9545cf087a9dcd1c489d187e98e153ed79","isrc":"USWD12113255","name":"Two Oruguitas","registered_at":"2026-06-06T23:04:51Z","spotify_id":"1sEaewPCEzD98sy2cdD8eA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d965cff7ce1f8af72799e9f37f1c9545cf087a9dcd1c489d187e98e153ed79. 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/1sEaewPCEzD98sy2cdD8eA.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/1sEaewPCEzD98sy2cdD8eA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd78612b94eca77e841e6d6fdf9a250b1aa7415dfc6720f8f6ce4ae05d34a6cf2. 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/4BlFWYXJJndBdJpsgrSz9E.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/4BlFWYXJJndBdJpsgrSz9E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32bf0624e2e41c2beed1a4952ebb79da5f4db126dfe87a12c6f4878310818c80. 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/7s6eCdfpPdcgInLFG9kyJH.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/7s6eCdfpPdcgInLFG9kyJH.
ジャイアントキリング - 上原音楽研究所 Remix
{"copyright_id":"0x0e89178ff97d2ba33ca3282ba4241455c47c0d3cfec438fd489e87ed7c51778b","isrc":"JPPO02404567","name":"ジャイアントキリング - 上原音楽研究所 Remix","registered_at":"2026-06-21T21:49:13Z","spotify_id":"1I5jHUJnknYt6E3e8rSxVC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e89178ff97d2ba33ca3282ba4241455c47c0d3cfec438fd489e87ed7c51778b. 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/1I5jHUJnknYt6E3e8rSxVC.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/1I5jHUJnknYt6E3e8rSxVC.