Hikaru
type: MusicGroup
description: is a Japanese unisex given name meaning "light" or "radiance". Written forms Hikaru can be written using different kanji characters and can mean: 光, "light" 輝, "radiance" The name can also be wr
popularity: 3
followers: 924
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1f63167a4dd2bfb207227dfc92adb5613d59c0d17781ebcdc00423b43ab7a8f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953988
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953988
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2e6181a2-3d90-48be-a2ac-2dbd74a04b5a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2e6181a2-3d90-48be-a2ac-2dbd74a04b5a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2e6181a2-3d90-48be-a2ac-2dbd74a04b5a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T18:23:32Z
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 0xe1f63167a4dd2bfb207227dfc92adb5613d59c0d17781ebcdc00423b43ab7a8f. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2e6181a2-3d90-48be-a2ac-2dbd74a04b5a.json and https://artists.proofprofile.net/proofs/artist/2e6181a2-3d90-48be-a2ac-2dbd74a04b5a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
album: Survivor
  type: MusicAlbum
  date published: 2023-01-31
album: Survivor
  type: MusicAlbum
  date published: 2023-01-31
album: Escape
  type: MusicAlbum
  date published: 2023-03-14
album: Escape
  type: MusicAlbum
  date published: 2023-03-14
album: Flow
  type: MusicAlbum
  date published: 2023-07-24
album: Flow
  type: MusicAlbum
  date published: 2023-07-24
album: Awe
  type: MusicAlbum
  date published: 2023-08-28
album: Awe
  type: MusicAlbum
  date published: 2023-08-28
album: Treasure
  type: MusicAlbum
  date published: 2023-09-17
album: Treasure
  type: MusicAlbum
  date published: 2023-09-17
album: Remain
  type: MusicAlbum
  date published: 2024-01-14
album: Embrace
  type: MusicAlbum
  date published: 2024-01-21
album: Kiseki
  type: MusicAlbum
  date published: 2024-02-26
album: Koganeiro no Yakusoku
  type: MusicAlbum
  date published: 2024-06-06
album: 黄金色の約束
  type: MusicAlbum
  date published: 2024-06-06
album: Breathe
  type: MusicAlbum
  date published: 2024-06-29
album: Breathe
  type: MusicAlbum
  date published: 2024-06-29
album: Lack
  type: MusicAlbum
  date published: 2024-07-03
album: Lack
  type: MusicAlbum
  date published: 2024-07-03
album: SHOUT (feat. YUKI SASAKI)
  type: MusicAlbum
  date published: 2024-09-15
album: SHOUT (feat. 佐々木佑紀)
  type: MusicAlbum
  date published: 2024-09-15
album: End of line
  type: MusicAlbum
  date published: 2024-12-01
album: End of line
  type: MusicAlbum
  date published: 2024-12-01
album: Because of Love (feat. YUKI SASAKI)
  type: MusicAlbum
  date published: 2024-12-25
album: Because of Love (feat. 佐々木佑紀)
  type: MusicAlbum
  date published: 2024-12-25
album: Ira
  type: MusicAlbum
  date published: 2025-06-08
album: Ira
  type: MusicAlbum
  date published: 2025-06-08
album: Superbia
  type: MusicAlbum
  date published: 2025-06-15
album: Superbia
  type: MusicAlbum
  date published: 2025-06-15
  track: Superbia
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219553
    explicit: false
    by artist: Hikaru
    in album: Superbia
      type: MusicAlbum
      date published: 2025-06-15
    isrc code: TCJPI2538687
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T07:19:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0d07d835166fcd0a918580db4a458458c60be7b40480744e338111cb0446cf56
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956776
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956776
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPI2538687
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:59:37Z
    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 0x0d07d835166fcd0a918580db4a458458c60be7b40480744e338111cb0446cf56. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/TCJPI2538687.
      date published: 2026-07-05T10:59:37Z
    audio: Superbia
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.861
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.246
      additional property: Energy
        type: PropertyValue
        value: 0.9
      additional property: Speechiness
        type: PropertyValue
        value: 0.062
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.264
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.407
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.438
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
album: Luxuria
album: Invidia
album: Ignavia
album: Gula
album: Avaritia

Mode Name
type: PropertyValue
value: Minor

Luxuria
type: MusicAlbum
date published: 2025-06-23

Luxuria
type: MusicAlbum
date published: 2025-06-23

Invidia
type: MusicAlbum
date published: 2025-06-29

Invidia
type: MusicAlbum
date published: 2025-06-29

Ignavia
type: MusicAlbum
date published: 2025-07-03

Ignavia
type: MusicAlbum
date published: 2025-07-03

Gula
type: MusicAlbum
date published: 2025-07-10

Gula
type: MusicAlbum
date published: 2025-07-10

Avaritia
type: MusicAlbum
date published: 2025-07-17

Avaritia
type: MusicAlbum
date published: 2025-07-17