YA-KYIM
type: MusicGroup
genre: j-r&b
description: Ya-kyim (ヤキーム; yakīmu) is a Japanese R&B and hip hop group. The group consists of one MC, Miku, and two singers, Alisa and Yurie. Ya-kyim disbanded on 31 December 2012. Background Miku, Alisa, and
popularity: 7
followers: 778
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25c2f6acaeaf30e0b1de2f2bbdc03e954c8a1b0bab825108b134077515f61ecf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/508c5ee3-5f55-4730-9c21-052a79e7f2ae.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/508c5ee3-5f55-4730-9c21-052a79e7f2ae.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/508c5ee3-5f55-4730-9c21-052a79e7f2ae
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
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 0x25c2f6acaeaf30e0b1de2f2bbdc03e954c8a1b0bab825108b134077515f61ecf. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/508c5ee3-5f55-4730-9c21-052a79e7f2ae.json and https://artists.proofprofile.net/proofs/artist/508c5ee3-5f55-4730-9c21-052a79e7f2ae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Can't Help But Wait〜あなたに逢いたくて
  type: MusicAlbum
  date published: 2007-11-21
album: Super☆Looper
  type: MusicAlbum
  date published: 2008-06-04
album: HAPPY!ENJOY!FRESH!
  type: MusicAlbum
  date published: 2009-06-10
album: たぶんきっと/HAPPY FACE(love ver.)
  type: MusicAlbum
  date published: 2009-07-08
album: HIP!UP!POP!
  type: MusicAlbum
  date published: 2010-07-28
album: here
  type: MusicAlbum
  date published: 2010-11-24
  track: BAKUROCK 〜未来の輪郭線〜
    type: MusicRecording
    duration: PT4M10S
    duration ms: 250640
    explicit: false
    by artist: YA-KYIM
    in album: here
      type: MusicAlbum
      date published: 2010-11-24
    genre: j-r&b
    isrc code: JPWP01071165
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T16:43:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3244dc98cfa548ca629e69928e7371000ade4ca32f982e6c1213548c58c87f97
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP01071165
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0x3244dc98cfa548ca629e69928e7371000ade4ca32f982e6c1213548c58c87f97. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/JPWP01071165.
      date published: 2026-07-05T01:12:41Z
    audio: BAKUROCK 〜未来の輪郭線〜
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 175.806
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.422
      additional property: Energy
        type: PropertyValue
        value: 0.931
      additional property: Speechiness
        type: PropertyValue
        value: 0.058
      additional property: Acousticness
        type: PropertyValue
        value: 0.096
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.086
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.593
      additional property: Loudness (dB)
        type: PropertyValue
        value: -1.797
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: BAKUROCK 〜未来の輪郭線〜
  type: MusicAlbum
  date published: 2010-11-24
  track: BAKUROCK 〜未来の輪郭線〜
    type: MusicRecording
    duration: PT4M10S
    duration ms: 250640
    explicit: false
    by artist: YA-KYIM
    in album: BAKUROCK 〜未来の輪郭線〜
      type: MusicAlbum
      date published: 2010-11-24
    genre: j-r&b
    isrc code: JPWP01071165
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T16:43:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3244dc98cfa548ca629e69928e7371000ade4ca32f982e6c1213548c58c87f97
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956551
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956551
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP01071165
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    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 0x3244dc98cfa548ca629e69928e7371000ade4ca32f982e6c1213548c58c87f97. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/JPWP01071165.
      date published: 2026-07-03T21:18:05Z
    audio: BAKUROCK 〜未来の輪郭線〜
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 175.806
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.422
      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: Don't wanna cry

Energy
type: PropertyValue
value: 0.931

Speechiness
type: PropertyValue
value: 0.058

Acousticness
type: PropertyValue
value: 0.096

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.086

Valence (Positivity)
type: PropertyValue
value: 0.593

Loudness (dB)
type: PropertyValue
value: -1.797

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Don't wanna cry
type: MusicAlbum
date published: 2011-12-07