Mana Ashida
type: MusicGroup
description: is a Japanese actress, talent and singer. Her first appearance was in Asahi Broadcasting Corporation's ABC Short Movie 2, though she rose to prominence after acting in the television drama Mother. Sh
popularity: 19
followers: 4383
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb185c572fe92c31bd600f3f14f67c638406740faa54b32e8f9ef54adc34bfe. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e6ad55df-e61d-4555-bfdf-5ea4d6b56de6.json and https://artists.proofprofile.net/proofs/artist/e6ad55df-e61d-4555-bfdf-5ea4d6b56de6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T15:41:00Z
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album: ステキな日曜日～Gyu Gyu グッデイ！～
  type: MusicAlbum
  date published: 2011-01-01
  track: ステキな日曜日～Gyu Gyu グッデイ！～
    type: MusicRecording
    duration: PT4M15S
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    by artist: Mana Ashida
    in album: ステキな日曜日～Gyu Gyu グッデイ！～
      type: MusicAlbum
      date published: 2011-01-01
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee302a48acc9da0adb0b3cceed6c944aeb22cc924202239ca0ef1cd66ffe702. Chain 2 (Bitcoin): anchored in block 958465 (2026-07-18T00:04:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01148861.
      date published: 2026-07-18T00:04:42Z
    audio: ステキな日曜日～Gyu Gyu グッデイ！～
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      additional property: Valence (Positivity)
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      additional property: Key Name
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album: Happy Smile！
  type: MusicAlbum
  date published: 2011-01-01
  track: みんなのハッピーバースデイ
    type: MusicRecording
    duration: PT3M27S
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    explicit: false
    by artist: Mana Ashida
    in album: Happy Smile！
      type: MusicAlbum
      date published: 2011-01-01
    isrc code: JPPO01153724
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd836f2fb451c4df3a39eef62756caaa6580880da815f782184051820195e8879. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:27:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01153724.
      date published: 2026-07-15T19:27:51Z
    audio: みんなのハッピーバースデイ
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      additional property: Danceability
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        type: PropertyValue
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      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: ずっとずっとトモダチ
album: なないろピクニック
album: 雨に願いを
album: ふぁいと！！
album: ふぁいと！！／ゆうき

Valence (Positivity)
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value: 0.634

Loudness (dB)
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value: -1.972

Key Name
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value: C

Mode Name
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value: Major

ずっとずっとトモダチ
type: MusicAlbum
date published: 2012-01-01
track: ハッピーラッキー☆ゴー！
  type: MusicRecording
  duration: PT3M41S
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  explicit: false
  by artist: Mana Ashida
  in album: ずっとずっとトモダチ
    type: MusicAlbum
    date published: 2012-01-01
  isrc code: JPPO01202962
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01202962
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T23:27:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36a256d90006500610b6283cf8f0ebdf2310c7b19117a33d746e4af2679a9c57. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01202962.
    date published: 2026-07-12T23:27:28Z
  audio: ハッピーラッキー☆ゴー！
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    additional property: Tempo (BPM)
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      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.598
    additional property: Energy
      type: PropertyValue
      value: 0.943
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.118
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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なないろピクニック
type: MusicAlbum
date published: 2012-05-02

雨に願いを
type: MusicAlbum
date published: 2012-07-25

ふぁいと！！
type: MusicAlbum
date published: 2014-07-16

ふぁいと！！／ゆうき
type: MusicAlbum
date published: 2014-08-06
track: ゆうき
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213080
  explicit: false
  by artist: Mana Ashida
  in album: ふぁいと！！／ゆうき
    type: MusicAlbum
    date published: 2014-08-06
  isrc code: JPPO01406481
  additional property: CopyrightID
  additional property: CopyrightStatus
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    type: PropertyValue
    value: 2026-07-05T01:58:45+00:00
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    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01406481
  additional property: OTSTimestamp
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    value: 2026-07-05T10:01:46Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00aa042026278182f73a8ec0a310d18ab42b0726522f0e45a5962d6a9bd76205. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01406481.
    date published: 2026-07-05T10:01:46Z
  audio: ゆうき
    type: AudioObject
    additional property: Tempo (BPM)
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