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 0x65190370beccd95221b304ceca85bbb28628a0aa2fa681506ec7cf436ee4bb4f. 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/bcf20123-2cdb-48fe-937b-02dc338c3a72.json and https://artists.proofprofile.net/proofs/artist/bcf20123-2cdb-48fe-937b-02dc338c3a72.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
ドッペルゲンガー・グラデュエーション
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 0xec292077b066e50c57fb02dc5f30e27b4ab6a1d3dde25292aca927bb8bd79859. 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/15volPnrAQ1ri8yGfqQqMJ.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/15volPnrAQ1ri8yGfqQqMJ.
夕方ジェネレーション - 新しい夕方Ver.
極彩色イマジネイション - 新しいイマジネイション Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf481d5990472b9272ebf387f4bc3b9ffdf750ca650e50e6c6503407d8ad6af7. 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/0jyEmVAjjXG1e61Vy4o5aQ.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/0jyEmVAjjXG1e61Vy4o5aQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf1ab388b6a33bb3642a75297e42a4e3b3dfd9a9269b31b6238703d720e9cffa. 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/71KemyU0btQRuu9ZuoaJ1C.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/71KemyU0btQRuu9ZuoaJ1C.
ドラマチックとエレサマ - from COUNTDOWN JAPAN 07/08 at GALAXY STAGE
若者のゆくえ - 弦楽グラデュエーション Ver.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x540cbd3dcbcefe1392e917962ef76e5c577e48fa1191cc714a6b395ef54e90d0. 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/17svnzVEddHFM0FVXASBoN.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/17svnzVEddHFM0FVXASBoN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x619ae05fcf9a65feffe4c0d217848be4cd8b8b9935ba12677a22c177a5ed5e46. 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/5NJa2uIFUtOVhL7mlOgp63.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/5NJa2uIFUtOVhL7mlOgp63.
LIVE;(THIS IS THE) BASE BALL BEAR. NIPPON BUDOKAN 2010.01.03
ドラマチック - Live at NIPPON BUDOKAN 2010.01.03
SOSOS - Live at NIPPON BUDOKAN 2010.01.03
YUME is VISION - Live at NIPPON BUDOKAN 2010.01.03
changes - Live at NIPPON BUDOKAN 2010.01.03
LOVE LETTER FROM HEART BEAT - Live at NIPPON BUDOKAN 2010.01.03
ヘヴンズドアー・ガールズ - Live at NIPPON BUDOKAN 2010.01.03
つよがり少女 - Live at NIPPON BUDOKAN 2010.01.03
4D界隈 - Live at NIPPON BUDOKAN 2010.01.03
ホワイトワイライト - Live at NIPPON BUDOKAN 2010.01.03
GIRL OF ARMS - Live at NIPPON BUDOKAN 2010.01.03
WINK SNIPER - Live at NIPPON BUDOKAN 2010.01.03
SIMAITAI - Live at NIPPON BUDOKAN 2010.01.03
SAYONARA-NOSTALGIA - Live at NIPPON BUDOKAN 2010.01.03
BREEEEZE GIRL - Live at NIPPON BUDOKAN 2010.01.03
Stairway Generation - Live at NIPPON BUDOKAN 2010.01.03
海になりたいpart.2 - Live at NIPPON BUDOKAN 2010.01.03
CRAZY FOR YOUの季節 - Live at NIPPON BUDOKAN 2010.01.03
LOVE MATHEMATICS - Live at NIPPON BUDOKAN 2010.01.03
ELECTRIC SUMMER - Live at NIPPON BUDOKAN 2010.01.03
夕方ジェネレーション - Encore / Live at NIPPON BUDOKAN 2010.01.03
BOY MEETS GIRL - Encore / Live at NIPPON BUDOKAN 2010.01.03
祭りのあと - Double Encore / Live at NIPPON BUDOKAN 2010.01.03
『DETECTIVE BOYS』 8トラック・ノンストップミックス (8-Track Non-Stop Mix)
『DETECTIVE BOYS』 8ﾄﾗｯｸ・ﾉﾝｽﾄｯﾌﾟﾐｯｸｽ（期間限定バージョン） - 8トラック・ノンストップミックス
『CYPRESS GIRLS』 8トラック・ノンストップミックス (8-Track Non-Stop Mix)
『CYPRESS GIRLS』 8ﾄﾗｯｸ・ﾉﾝｽﾄｯﾌﾟﾐｯｸｽ（期間限定バージョン） - 8-Track Non-Stop Mix
kimino-me - + ICHIRO YAMAGUCHI from SAKANACTION
Tabibito In The Dark / スローモーションをもう一度 part.2
10th Anniversary tour (This Is The) Base Ball Bear part.2 「Live 新呼吸」2012.01.03 NIPPON BUDOKAN
夕方ジェネレーション - Live at NIPPON BUDOKAN 2012.01.03
Stairway Generation - Live at NIPPON BUDOKAN 2012.01.03
ELECTRIC SUMMER - Live at NIPPON BUDOKAN 2012.01.03
yoakemae - Live at NIPPON BUDOKAN 2012.01.03
Fragile Baby - Live at NIPPON BUDOKAN 2012.01.03
short hair - Live at NIPPON BUDOKAN 2012.01.03
GIRL FRIEND - Live at NIPPON BUDOKAN 2012.01.03
BOYFRIEN℃ - Live at NIPPON BUDOKAN 2012.01.03
WINK SNIPER - Live at NIPPON BUDOKAN 2012.01.03
十字架You and I - Live at NIPPON BUDOKAN 2012.01.03
スイミングガール～海になりたい～海になりたいpart.2 - Live at NIPPON BUDOKAN 2012.01.03
changes - Live at NIPPON BUDOKAN 2012.01.03
LOVE MATHEMATICS - Live at NIPPON BUDOKAN 2012.01.03
CRAZY FOR YOUの季節 - Live at NIPPON BUDOKAN 2012.01.03
クチビル・ディテクティヴ - Encore / Live at NIPPON BUDOKAN 2012.01.03
Tabibito In The Dark - Double Encore / Live at NIPPON BUDOKAN 2012.01.03
祭りのあと - Double Encore / Live at NIPPON BUDOKAN 2012.01.03
夏のShow Window ～Base Ball Bear サマーコレクション2013～
ファンファーレがきこえる - カラオケ・バージョン