yumi
type: MusicGroup
description: thumb|upright|Japanese bows, arrows, and arrow-stand thumb|upright=1.3| bow names is the Japanese term for a bow. As used in English, refers more specifically to traditional Japanese asymmetrical b
popularity: 2
followers: 31
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 0x352b3bc7bb87c9ed4f41f6631527ae2f8171a6ec3124dc613f1ef67357203c60. Chain 2 (Bitcoin): anchored in block 954055 (2026-06-17T05:51:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/43b706bb-83ef-4299-9280-0b8ede15d07f.json and https://artists.proofprofile.net/proofs/artist/43b706bb-83ef-4299-9280-0b8ede15d07f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T05:51:24Z
album: sonokoede
  type: MusicAlbum
  date published: 2021-10-30
album: Aonokaze
  type: MusicAlbum
  date published: 2021-10-30
album: Loof top
  type: MusicAlbum
  date published: 2022-07-23
album: huwa huwa
  type: MusicAlbum
  date published: 2022-08-15
album: Tiny night (feat. BIOTOP)
  type: MusicAlbum
  date published: 2022-08-15
album: UZU
  type: MusicAlbum
  date published: 2023-11-18
album: hutarinara
  type: MusicAlbum
  date published: 2024-01-13
album: Tick book
  type: MusicAlbum
  date published: 2024-05-15
album: Nisemono
  type: MusicAlbum
  date published: 2024-07-06
album: Midsummer Night Monologue
  type: MusicAlbum
  date published: 2024-08-11
album: machiawase (feat. BIO TOP)
  type: MusicAlbum
  date published: 2025-02-01
track: Alive
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182923
  explicit: false
  by artist: Rio
  by artist: yumi
  by artist: stb
  in album: Alive
    type: MusicAlbum
    date published: 2024-07-13
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPA2495603
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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 0xaada3aa583ef48aadae1c7c8928939ef385b1b36044eb53bde5be9afee6c8d0f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/TCJPA2495603.
    date published: 2026-07-08T03:22:41Z
  audio: Alive
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.465
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.017
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
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