Kyurukai
type: MusicGroup
genre: hyperpop
popularity: 26
followers: 3266
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75533e1e779e1186f958776c1fc2c5a66300ab05697c79eedf58b7bfcf8bf4c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2ba69ce-212c-49ec-b85b-29c05823d2f7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2ba69ce-212c-49ec-b85b-29c05823d2f7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e2ba69ce-212c-49ec-b85b-29c05823d2f7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x75533e1e779e1186f958776c1fc2c5a66300ab05697c79eedf58b7bfcf8bf4c9. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2ba69ce-212c-49ec-b85b-29c05823d2f7.json and https://artists.proofprofile.net/proofs/artist/e2ba69ce-212c-49ec-b85b-29c05823d2f7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: hello kitty star
  type: MusicAlbum
  date published: 2022-03-29
album: angelnumber
  type: MusicAlbum
  date published: 2022-10-30
album: harvest your soul
  type: MusicAlbum
  date published: 2022-10-31
album: Hello Kitty with a Knife
  type: MusicAlbum
  date published: 2022-11-03
album: 19
  type: MusicAlbum
  date published: 2022-11-03
album: Lord And Saviour
  type: MusicAlbum
  date published: 2023-01-13
album: Bone Thorns
  type: MusicAlbum
  date published: 2023-03-01
album: Bone Thorns
  type: MusicAlbum
  date published: 2023-03-01
album: [retracted - 01]
  type: MusicAlbum
  date published: 2023-04-11
album: remember all the things you did
  type: MusicAlbum
  date published: 2023-05-10
album: Graveyard
  type: MusicAlbum
  date published: 2023-05-18
  track: Graveyard
    type: MusicRecording
    duration: PT4M7S
    duration ms: 247084
    explicit: false
    by artist: Kyurukai
    in album: Graveyard
      type: MusicAlbum
      date published: 2023-05-18
    genre: hyperpop
    isrc code: QZKDK2330466
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T03:17:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5c33ec1bdfca1ef733e28a1f49e677c51f19ed4ac48e56c1cc1b71e5954e1ca5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956476
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956476
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKDK2330466
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T09:04:44Z
    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 0x5c33ec1bdfca1ef733e28a1f49e677c51f19ed4ac48e56c1cc1b71e5954e1ca5. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZKDK2330466.
      date published: 2026-07-03T09:04:44Z
    audio: Graveyard
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 150.141
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.386
      additional property: Energy
        type: PropertyValue
        value: 0.986
      additional property: Speechiness
        type: PropertyValue
        value: 0.421
      additional property: Acousticness
        type: PropertyValue
        value: 0.015
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.917
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.479
      additional property: Loudness (dB)
        type: PropertyValue
        value: -0.368
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: nosebleed
  type: MusicAlbum
  date published: 2023-05-24
  track: nosebleed
    type: MusicRecording
    duration: PT2M5S
    duration ms: 125384
    explicit: true
    by artist: Kyurukai
    in album: nosebleed
      type: MusicAlbum
      date published: 2023-05-24
    genre: hyperpop
    isrc code: QZK6N2390068
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T21:09:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc4de63fcbd57c473e57385f74e02e410d4ffce125d6a09d1ec4f5e57b838ba18
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N2390068
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0xc4de63fcbd57c473e57385f74e02e410d4ffce125d6a09d1ec4f5e57b838ba18. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZK6N2390068.
      date published: 2026-07-04T10:04:33Z
    audio: nosebleed
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 138.032
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: my mind
album: were u ever sad?
album: im not normal
album: bloody bathroom
album: death dance
album: sing...

Musical Key
type: PropertyValue
value: 2

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.668

Energy
type: PropertyValue
value: 0.812

Speechiness
type: PropertyValue
value: 0.033

Acousticness
type: PropertyValue
value: 0.005

Instrumentalness
type: PropertyValue
value: 0.005

Liveness
type: PropertyValue
value: 0.19

Valence (Positivity)
type: PropertyValue
value: 0.368

Loudness (dB)
type: PropertyValue
value: -5.971

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

my mind
type: MusicAlbum
date published: 2023-06-21

were u ever sad?
type: MusicAlbum
date published: 2023-07-28

im not normal
type: MusicAlbum
date published: 2023-08-25

bloody bathroom
type: MusicAlbum
date published: 2023-09-09

death dance
type: MusicAlbum
date published: 2023-10-19

sing...
type: MusicAlbum
date published: 2023-12-22