reika
type: MusicGroup
genre: shoegaze
description: is a feminine Japanese given name. Written forms Forms in kanji include: 麗花, "beautiful, lovely, flower, petal" 怜華, "wise, beautiful, elegant" 令佳, "beautiful, rule, order, excellent" 麗夏, "beautifu
popularity: 12
followers: 965
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a1742577cdaaeb30ebafbab53a13de3d1536f3f648dd765fe8bf1d246ed0f30
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953588
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953588
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00246c8e-a0e5-488c-a255-3ce94fce199e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00246c8e-a0e5-488c-a255-3ce94fce199e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/00246c8e-a0e5-488c-a255-3ce94fce199e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T04:52:46Z
additional property: OTSCanonicalRecord
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 0x9a1742577cdaaeb30ebafbab53a13de3d1536f3f648dd765fe8bf1d246ed0f30. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/00246c8e-a0e5-488c-a255-3ce94fce199e.json and https://artists.proofprofile.net/proofs/artist/00246c8e-a0e5-488c-a255-3ce94fce199e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T04:52:46Z
album: makes me wonder (demo) [Demo]
  type: MusicAlbum
  date published: 2021-11-15
album: makes me wonder (demo)
  type: MusicAlbum
  date published: 2021-11-15
album: Nowhere, Demos
  type: MusicAlbum
  date published: 2023-02-21
album: no surprises
  type: MusicAlbum
  date published: 2023-02-21
album: Nowhere, Demos
  type: MusicAlbum
  date published: 2023-02-21
album: Turn Away
  type: MusicAlbum
  date published: 2023-11-25
album: Turn Away
  type: MusicAlbum
  date published: 2023-11-25
album: It Ends As Soon As It Starts
  type: MusicAlbum
  date published: 2023-11-30
album: It Ends As Soon As It Starts
  type: MusicAlbum
  date published: 2023-11-30
album: Coma in Tuscany
  type: MusicAlbum
  date published: 2024-01-01
album: Coma in Tuscany
  type: MusicAlbum
  date published: 2024-01-01
album: you still linger on
  type: MusicAlbum
  date published: 2024-03-10
  track: you still linger on
    type: MusicRecording
    duration: PT4M34S
    duration ms: 274927
    explicit: false
    by artist: reika
    in album: you still linger on
      type: MusicAlbum
      date published: 2024-03-10
    genre: shoegaze
    isrc code: QZHN32419118
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T01:17:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x262d008fe38f9744cbf892d5f9d523107903012e95ef2cf3f2907110ea407378
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958350
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958350
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32419118
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T04:18:35Z
    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 0x262d008fe38f9744cbf892d5f9d523107903012e95ef2cf3f2907110ea407378. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:18:35Z), 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/QZHN32419118.
      date published: 2026-07-17T04:18:35Z
    audio: you still linger on
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 123.932
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.485
      additional property: Energy
        type: PropertyValue
        value: 0.224
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.871
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.069
      additional property: Liveness
        type: PropertyValue
        value: 0.075
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.195
      additional property: Loudness (dB)
        type: PropertyValue
        value: -19.69
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Ego
  type: MusicAlbum
  date published: 2024-07-27
album: Ego
  type: MusicAlbum
  date published: 2024-07-27
album: Someday
  type: MusicAlbum
  date published: 2025-06-06
album: A Distant Memory, Fading
  type: MusicAlbum
  date published: 2025-10-01