Riho Nishikata
type: MusicGroup
popularity: 11
followers: 2318
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ad146ac78bd8f14dc961271fd67e63645f0c483e94712a784fe4490ec1f11d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953704
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953704
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7871b297-2b89-4a22-a72d-d451301f5d00.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7871b297-2b89-4a22-a72d-d451301f5d00.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7871b297-2b89-4a22-a72d-d451301f5d00
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T22:58:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7ad146ac78bd8f14dc961271fd67e63645f0c483e94712a784fe4490ec1f11d2","name":"Riho Nishikata","registered_at":"2026-06-14T17:07:45Z","symbol":"NIM0519672","token_address":"0x457487c62b1395147dd0106ead29d884ff47e870","type":"artist","uuid":"7871b297-2b89-4a22-a72d-d451301f5d00"}
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ad146ac78bd8f14dc961271fd67e63645f0c483e94712a784fe4490ec1f11d2. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7871b297-2b89-4a22-a72d-d451301f5d00.json and https://artists.proofprofile.net/proofs/artist/7871b297-2b89-4a22-a72d-d451301f5d00.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:58:38Z
  text: {"copyright_id":"0x7ad146ac78bd8f14dc961271fd67e63645f0c483e94712a784fe4490ec1f11d2","name":"Riho Nishikata","registered_at":"2026-06-14T17:07:45Z","symbol":"NIM0519672","token_address":"0x457487c62b1395147dd0106ead29d884ff47e870","type":"artist","uuid":"7871b297-2b89-4a22-a72d-d451301f5d00"}
album: 行けたら行くね
  type: MusicAlbum
  date published: 2017-10-18
album: 夜の液体
  type: MusicAlbum
  date published: 2019-11-11
album: The night that becomes liquid
  type: MusicAlbum
  date published: 2019-11-11
album: 片瀬
  type: MusicAlbum
  date published: 2020-02-01
album: 海はビア
  type: MusicAlbum
  date published: 2020-05-08
album: 黒いエレキ
  type: MusicAlbum
  date published: 2020-09-16
album: 彼女がいなければ孤独だった
  type: MusicAlbum
  date published: 2020-09-23
album: そのままでいてね
  type: MusicAlbum
  date published: 2021-06-23
album: Sonomama De Itene
  type: MusicAlbum
  date published: 2021-06-23
album: 愛は4年で終わる
  type: MusicAlbum
  date published: 2021-07-28
album: Ai Wa 4 Nen De Owaru
  type: MusicAlbum
  date published: 2021-07-28
album: たましいはここ、みえるの?
  type: MusicAlbum
  date published: 2021-08-25
album: まちのなか / 白昼夢
  type: MusicAlbum
  date published: 2021-10-20
album: Machi No Naka / Hakuchuumu
  type: MusicAlbum
  date published: 2021-10-20
album: Madoromi No Hikari
  type: MusicAlbum
  date published: 2021-10-27
album: まどろみのひかり
  type: MusicAlbum
  date published: 2021-10-27
album: 僕らが映画
  type: MusicAlbum
  date published: 2022-08-03
album: Bring Me Back
  type: MusicAlbum
  date published: 2024-12-18
album: 天使はいた
  type: MusicAlbum
  date published: 2024-12-18
album: 振り向かないで
  type: MusicAlbum
  date published: 2025-02-26
  track: 振り向かないで
    type: MusicRecording
    duration: PT2M36S
    duration ms: 156220
    explicit: false
    by artist: Riho Nishikata
    in album: 振り向かないで
      type: MusicAlbum
      date published: 2025-02-26
    isrc code: GXD7V2510128
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T20:38:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x40db7094178968f4252a802dd6f92723f984866c8c826082ea9bd4d12a2f612f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958931
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958931
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GXD7V2510128
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T21:15:01Z
    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 0x40db7094178968f4252a802dd6f92723f984866c8c826082ea9bd4d12a2f612f. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/GXD7V2510128.
      date published: 2026-07-20T21:15:01Z
    audio: 振り向かないで
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.679
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.429
      additional property: Energy
        type: PropertyValue
        value: 0.447
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.075
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.297
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.139
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.219
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major