Chizuko
type: MusicGroup
description: Chizuko (written: 千寿子, 千鶴子) is a feminine Japanese given name. Notable people with the name include: , Japanese voice actress Chizuko Kimura (born 1970), Japanese sushi chef , Japanese clairvoyant ,
popularity: 6
followers: 552
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc050255d49831e71699956c7d62f80b659447b1be075ed8ae48347a014b0c7e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/720a6929-a2b5-4c8a-940d-c1c6aa3ae975.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/720a6929-a2b5-4c8a-940d-c1c6aa3ae975.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/720a6929-a2b5-4c8a-940d-c1c6aa3ae975
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
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 0xc050255d49831e71699956c7d62f80b659447b1be075ed8ae48347a014b0c7e4. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/720a6929-a2b5-4c8a-940d-c1c6aa3ae975.json and https://artists.proofprofile.net/proofs/artist/720a6929-a2b5-4c8a-940d-c1c6aa3ae975.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: The Process
  type: MusicAlbum
  date published: 2018-06-25
album: Bounce Back
  type: MusicAlbum
  date published: 2019-12-02
album: I Luv It
  type: MusicAlbum
  date published: 2020-02-29
album: Hustle
  type: MusicAlbum
  date published: 2020-08-12
album: Bounce Back
  type: MusicAlbum
  date published: 2020-08-12
album: Time Flies
  type: MusicAlbum
  date published: 2020-11-07
album: Lime Light
  type: MusicAlbum
  date published: 2021-08-19
album: Time Flies
  type: MusicAlbum
  date published: 2022-07-29
  track: Time Flies
    type: MusicRecording
    duration: PT3M6S
    duration ms: 186226
    explicit: true
    by artist: Chizuko
    in album: Time Flies
      type: MusicAlbum
      date published: 2022-07-29
    isrc code: QZNWR2001115
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T21:27:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdd335ae3b2267cad07a8afcd151cc7bc77f9e1c7d57605fcbf17ae23e275484d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958935
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958935
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWR2001115
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T22:08:19Z
    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 0xdd335ae3b2267cad07a8afcd151cc7bc77f9e1c7d57605fcbf17ae23e275484d. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/QZNWR2001115.
      date published: 2026-07-20T22:08:19Z
    audio: Time Flies
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 86.907
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.663
      additional property: Energy
        type: PropertyValue
        value: 0.363
      additional property: Speechiness
        type: PropertyValue
        value: 0.27
      additional property: Acousticness
        type: PropertyValue
        value: 0.098
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.152
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.69
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.924
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Say 2 Much
  type: MusicAlbum
  date published: 2023-06-02
album: Say 2 Much
  type: MusicAlbum
  date published: 2023-06-02
album: Christmas Eve
  type: MusicAlbum
  date published: 2023-11-18
album: No One Else
  type: MusicAlbum
  date published: 2024-02-14
album: Get Lost
  type: MusicAlbum
  date published: 2024-02-21
album: Move On
  type: MusicAlbum
  date published: 2024-05-15
album: Summer Fling
  type: MusicAlbum
  date published: 2024-06-12
album: Let Go
  type: MusicAlbum
  date published: 2024-07-18
album: What's Your Sign
  type: MusicAlbum
  date published: 2024-08-02
  track: What's Your Sign
    type: MusicRecording
    duration: PT3M1S
    duration ms: 181230
    explicit: false
    by artist: Chizuko
    in album: What's Your Sign
      type: MusicAlbum
      date published: 2024-08-02
    isrc code: TCAIP2440336
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T04:12:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x29ffed9c0e67b29d165c7d0ece2323ead3f2ad3cea6d4a1e2804485febc5fcc3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958965
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958965
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAIP2440336
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: What's Your Sign
album: Get Down On It
album: Body
album: Body (Radio Edit)

OTSTimestamp
type: PropertyValue
value: 2026-07-21T04:29:05Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29ffed9c0e67b29d165c7d0ece2323ead3f2ad3cea6d4a1e2804485febc5fcc3. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/TCAIP2440336.
date published: 2026-07-21T04:29:05Z

What's Your Sign
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 140.062
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.602
additional property: Energy
  type: PropertyValue
  value: 0.808
additional property: Speechiness
  type: PropertyValue
  value: 0.059
additional property: Acousticness
  type: PropertyValue
  value: 0.147
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.212
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.571
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.333
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Get Down On It
type: MusicAlbum
date published: 2024-08-16

Body
type: MusicAlbum
date published: 2024-09-19

Body (Radio Edit)
type: MusicAlbum
date published: 2024-09-19

Body (Radio Edit)
type: MusicAlbum
date published: 2024-09-19