HIFANA
type: MusicGroup
genre: j-rap
description: is a Japanese breakbeat musical duo, consisting of KEIZOmachine! (Keizo Fukuda) and Juicy (Jun Miyata). The group formed in 1998, in the Tokyo neighbourhood of Kichijōji. History Prior to forming as
popularity: 19
followers: 10961
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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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 0x5b207ca8c58d870be49208e74000fd65e87f1a9eaee06dc6738c37fccef03cbb. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4184c1c6-f784-41bb-9278-969d3e91af7d.json and https://artists.proofprofile.net/proofs/artist/4184c1c6-f784-41bb-9278-969d3e91af7d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
album: Fresh Push Breakin'
  type: MusicAlbum
  date published: 2003
album: Fresh Push Breakin'
  type: MusicAlbum
  date published: 2003
album: Fresh Push Breakin'
  type: MusicAlbum
  date published: 2003-11-19
album: Channel H
  type: MusicAlbum
  date published: 2005
album: Channel H
  type: MusicAlbum
  date published: 2005
  track: Wamono ～和モノ～
    type: MusicRecording
    duration: PT3M49S
    duration ms: 229680
    explicit: false
    by artist: HIFANA
    in album: Channel H
      type: MusicAlbum
      date published: 2005
    genre: j-rap
    isrc code: JPPS00501310
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPS00501310
    additional property: OTSTimestamp
      type: PropertyValue
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe626f62fd97655747515006f08d0fb85d32c44f6737166d7573f7ea75a3491f1. Chain 2 (Bitcoin): anchored in block 958130 (2026-07-15T11:23:39Z), 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/JPPS00501310.
      date published: 2026-07-15T11:23:39Z
    audio: Wamono ～和モノ～
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.001
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.75
      additional property: Energy
        type: PropertyValue
        value: 0.928
      additional property: Speechiness
        type: PropertyValue
        value: 0.071
      additional property: Acousticness
        type: PropertyValue
        value: 0.058
      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
        value: 0.375
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.647
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.92
      additional property: Key Name
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        value: G
      additional property: Mode Name
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  track: Nampooh (feat. KEYCO)
    type: MusicRecording
    duration: PT3M40S
    duration ms: 220040
    explicit: false
    by artist: HIFANA
    in album: Channel H
      type: MusicAlbum
      date published: 2005
    genre: j-rap
    isrc code: JPPS00501360
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      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T23:28:02Z
    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 0xfdcc31742cb2415c3ce3b66fce1349182b313b10ad2e62f6f3e9868a1cc5a595. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/JPPS00501360.
      date published: 2026-07-03T23:28:02Z
    audio: Nampooh (feat. KEYCO)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 103.019
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.76
      additional property: Energy
        type: PropertyValue
        value: 0.724
      additional property: Speechiness
        type: PropertyValue
        value: 0.124
      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: CONNECT
album: Live from Tokyo
album: 24H
album: TEJIME

Acousticness
type: PropertyValue
value: 0.003

Instrumentalness
type: PropertyValue
value: 0.008

Liveness
type: PropertyValue
value: 0.558

Valence (Positivity)
type: PropertyValue
value: 0.891

Loudness (dB)
type: PropertyValue
value: -5.295

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

Channel H
type: MusicAlbum
date published: 2005-08-24

CONNECT
type: MusicAlbum
date published: 2007-08-01

Live from Tokyo
type: MusicAlbum
date published: 2008-05-26

24H
type: MusicAlbum
date published: 2010-07-28

TEJIME
type: MusicAlbum
date published: 2019-05-01

TEJIME
type: MusicAlbum
date published: 2019-05-01