Kyoko Kosaka
type: MusicGroup
genre: enka
genre: kayokyoku
popularity: 12
followers: 823
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additional property: OTSVerifyInstructions
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  value: 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e3c8150bca92c106684269210583e44d588638874f5be40a0188b5780fd3da. Chain 2 (Bitcoin): anchored in block 953746 (2026-06-15T05:25:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a4544842-c403-4f4b-ad4d-5b85ea08af56.json and https://artists.proofprofile.net/proofs/artist/a4544842-c403-4f4b-ad4d-5b85ea08af56.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T05:25:34Z
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album: 恭子
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  date published: 1975-10-10
  track: 恋まつり
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  track: こんな私で
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  track: 道
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  track: 別れて今
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  track: とても一人ぼっち
  track: ひとつの朝
  track: 想い出まくら
  track: 幸せ色の二人
  track: 恋の足跡
  track: 砂人形
  track: 暑中お見舞
  track: 遠い日
album: フレイバー
track: 想い出まくら
track: 恋まつり
track: 遠い日
track: フレイバー
track: 砂人形
track: 幸せ ニャンコ
track: とても一人ぼっち
track: 質問
track: こんな私で
track: 道
track: 別れて今
track: ひとつの朝
track: 幸せ色の二人
track: 恋の足跡
track: シルバー・ナイト
track: 暑中お見舞

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とても一人ぼっち
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ひとつの朝
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想い出まくら
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幸せ色の二人
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恋の足跡
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砂人形
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暑中お見舞
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遠い日
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恭子
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track: 恋まつり
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track: こんな私で
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track: 道
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track: 別れて今
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track: とても一人ぼっち
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track: ひとつの朝
track: 想い出まくら
track: 幸せ色の二人
track: 恋の足跡
track: 砂人形
track: 暑中お見舞
track: 遠い日

とても一人ぼっち
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ひとつの朝
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想い出まくら
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幸せ色の二人
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恋の足跡
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砂人形
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    value: 0.707
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暑中お見舞
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遠い日
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フレイバー
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track: フレイバー
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track: シルバー・ナイト
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track: あそび場
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track: キャリコのドレス
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track: 質問
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track: 今
track: スウィート・バースディ
track: 幸せ ニャンコ
track: 髪すじ
track: 生と死のマキアージュ～フレイバー - reprise

質問
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今
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スウィート・バースディ
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幸せ ニャンコ
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髪すじ
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生と死のマキアージュ～フレイバー - reprise
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想い出まくら
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想い出まくら
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恋まつり
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遠い日
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恋まつり
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フレイバー
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砂人形
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幸せ ニャンコ
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とても一人ぼっち
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遠い日
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質問
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こんな私で
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道
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別れて今
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とても一人ぼっち
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ひとつの朝
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幸せ色の二人
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恋の足跡
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シルバー・ナイト
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暑中お見舞
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