tsumiki
type: MusicGroup
genre: vocaloid
description: Tsumiki (ツミキ; born 11 August 1997) is a Japanese vocaloid producer, and singer-songwriter, best known for his song "Phony". In addition, he produced the song "BIBBIDIBA" by Hoshimachi Suisei, and has
popularity: 20
followers: 1079
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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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 → 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 0xb35c51f1b2d86d77a7a6517197ba4e2f2112e8d2cd0cfd13a64023696ac1bc1a. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1cef67c4-413f-4ca2-84ce-a1318a137641.json and https://artists.proofprofile.net/proofs/artist/1cef67c4-413f-4ca2-84ce-a1318a137641.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:36:10Z
album: tsumikiasobi
  type: MusicAlbum
  date published: 2016-09-27
album: marching image
  type: MusicAlbum
  date published: 2017-09-07
album: imageの行進
  type: MusicAlbum
  date published: 2017-09-07
album: A piece of the Night -LIGHT, CLARITY, LIFE-
  type: MusicAlbum
  date published: 2018-04-17
album: An Echo and Lights −Force, Eternal, Future−
  type: MusicAlbum
  date published: 2019-11-12
track: Imperfection White Girl (feat. Tsukino)
track: Chieruka Esoterika

Imperfection White Girl (feat. Tsukino)
type: MusicRecording
duration: PT2M18S
duration ms: 138995
explicit: false
by artist: tsumiki
by artist: Tsukino
in album: CHUNITHM SUN ORIGINAL SOUND TRACK
  type: MusicAlbum
  date published: 2023-12-14
isrc code: TCJPY2304029
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb0f9cdfea29ee1230547105114e12611b7be230591b0aeda6f79f3492764cc. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TCJPY2304029.
  date published: 2026-06-13T13:32:09Z
audio: Imperfection White Girl (feat. Tsukino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Danceability
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  additional property: Key Name
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  additional property: Mode Name
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Chieruka Esoterika
type: MusicRecording
duration: PT2M24S
duration ms: 144880
explicit: false
by artist: tsumiki
by artist: Yuu Miyashita
in album: maimai Deluxe Best Album Chiho 4
  type: MusicAlbum
  date published: 2021-12-03
isrc code: TCJPS2243312
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Chieruka Esoterika
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