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 0x28efacc1e88e1b93515163741234cf29981ce96bd0f406c35c88ebb8bf60c43b. 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/6caade15-dbbf-4d9f-a21d-9515b61930f0.json and https://artists.proofprofile.net/proofs/artist/6caade15-dbbf-4d9f-a21d-9515b61930f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xb8e67f169d7a761f2a6c6f89738ce9c2503227b5a7cf628d23a159629667fdef","isrc":"JPPC08500470","name":"Epilogue Tsuiso no Shudai","registered_at":"2026-06-28T20:48:10Z","spotify_id":"04cQagIlIcXCf5SK5Iwk4c","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 0xb8e67f169d7a761f2a6c6f89738ce9c2503227b5a7cf628d23a159629667fdef. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/04cQagIlIcXCf5SK5Iwk4c.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/04cQagIlIcXCf5SK5Iwk4c.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8e67f169d7a761f2a6c6f89738ce9c2503227b5a7cf628d23a159629667fdef. 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/6CEscIZnLPekMyJcEPEp0q.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/6CEscIZnLPekMyJcEPEp0q.
キャンディー・ラブになり過ぎて
恋人との別れ方(女の場合、男の場合)
Koibito tono Wakarekata (Onna no Bai, Otoko no Bai)
終章（エピローグ）～追想の主題 - 「PRIDE」バージョン
Epilogue Tsuiso no Shudai - 「PRIDE」Version
Boku wa Konome de Uso o Tsuku - Original Karaoke
僕はこの瞳で嘘をつく - オリジナルカラオケ
Sons and Daughters～それより僕が伝えたいのは - オリジナルカラオケ
なぜに君は帰らない - オリジナルカラオケ
Naze ni Kimi wa Kaeranai - Original Karaoke
Sekai ni Meryy X'mas - orchestra Version
Mou Sugu Bokura wa Futatsu no Jidai o Koeru Koi ni Naru
もうすぐ僕らはふたつの時代を超える恋になる
スタジオノイズ～レコーディング風景～
もうすぐ僕らは ふたつの時代を超える恋になる
LIVE IN DENEN COLISEUM ～THE NATSU MATSURI '81
ライブ・イン・田園コロシアム ～THE 夏祭り'81