HIRO
type: MusicGroup
popularity: 13
followers: 110
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95b7c6a03671494c6a91ee95e62706de1783fea8dd38864fd5ae27e4528ed7d8
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953674
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5a2d66cb-3578-4957-80bf-e8b89e4fab1e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5a2d66cb-3578-4957-80bf-e8b89e4fab1e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5a2d66cb-3578-4957-80bf-e8b89e4fab1e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:07:16Z
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 0x95b7c6a03671494c6a91ee95e62706de1783fea8dd38864fd5ae27e4528ed7d8. Chain 2 (Bitcoin): anchored in block 953674 (2026-06-14T19:07:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5a2d66cb-3578-4957-80bf-e8b89e4fab1e.json and https://artists.proofprofile.net/proofs/artist/5a2d66cb-3578-4957-80bf-e8b89e4fab1e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T19:07:16Z
album: Gray (Remix)
  type: MusicAlbum
  date published: 2023-08-15
album: Gray (Remix)
  type: MusicAlbum
  date published: 2023-08-15
album: Hyakunin-Isshu Songs by VOCALOID
  type: MusicAlbum
  date published: 2023-08-15
album: 百人一首ソングbyボカロ
  type: MusicAlbum
  date published: 2023-08-15
album: Merry Merry Christmas
  type: MusicAlbum
  date published: 2023-12-26
album: Merry Merry Christmas
  type: MusicAlbum
  date published: 2023-12-26
album: Kawaikutegomen (feat. HoneyWorks & capi) [Kawaiikute Gomen Cover Vol.1]
  type: MusicAlbum
  date published: 2024-05-07
album: 可愛くてごめん (feat. HoneyWorks, かぴ, HARUKA & AKITO) [可愛くてごめん Cover Vol.6]
  type: MusicAlbum
  date published: 2024-05-08
album: Kawaikutegomen (feat. HoneyWorks & capi) [Kawaiikute Gomen Cover Vol.2]
  type: MusicAlbum
  date published: 2024-05-08
album: Kawaikutegomen (feat. HoneyWorks, capi & HARUKA) [Kawaiikute Gomen Cover Vol.3]
  type: MusicAlbum
  date published: 2024-05-08
album: Kawaikutegomen (feat. HoneyWorks, capi, HARUKA & AKITO) [Kawaiikute Gomen Cover Vol.6]
  type: MusicAlbum
  date published: 2024-05-08
album: 可愛くてごめん (feat. HoneyWorks, かぴ & HARUKA) [可愛くてごめん Cover Vol.4]
  type: MusicAlbum
  date published: 2024-05-08
album: Kawaikutegomen (feat. HoneyWorks, capi & HARUKA) [Kawaiikute Gomen Cover Vol.4]
  type: MusicAlbum
  date published: 2024-05-08
album: 可愛くてごめん (feat. HoneyWorks, かぴ, HARUKA & AKITO) [可愛くてごめん Cover Vol.5]
  type: MusicAlbum
  date published: 2024-05-08
album: Kawaikutegomen (feat. HoneyWorks, capi, HARUKA & AKITO) [Kawaiikute Gomen Cover Vol.5]
  type: MusicAlbum
  date published: 2024-05-08
album: Dear (Lost 30 years in Japan version)
  type: MusicAlbum
  date published: 2024-05-09
album: 可愛くてごめん (feat. HoneyWorks, かぴ, HARUKA & AKITO) [可愛くてごめん Cover Vol.7]
  type: MusicAlbum
  date published: 2024-05-09
album: Dear (失われた30年の唄バージョン)
  type: MusicAlbum
  date published: 2024-05-09
album: Kawaikutegomen (feat. HoneyWorks, capi, HARUKA & AKITO) [Kawaiikute Gomen Cover Vol.7]
  type: MusicAlbum
  date published: 2024-05-09
album: Kawaikutegomen (feat. HoneyWorks & capi) [Kawaiikute Gomen Cover Vol.8]
  type: MusicAlbum
  date published: 2024-05-10
album: 可愛くてごめん (feat. HoneyWorks & かぴ) [可愛くてごめん Cover Vol.8]
  type: MusicAlbum
  date published: 2024-05-10
album: Kawaikutegomen (feat. HoneyWorks, capi & Una Otomachi) [Kawaiikute Gomen Cover Vol.10]
  type: MusicAlbum
  date published: 2024-05-11
album: 可愛くてごめん (feat. HoneyWorks, かぴ & 音街ウナ) [可愛くてごめん Cover Vol.9]
  type: MusicAlbum
  date published: 2024-05-11
album: Kawaikutegomen (feat. HoneyWorks, capi & Una Otomachi) [Kawaiikute Gomen Cover Vol.9]
  type: MusicAlbum
  date published: 2024-05-11
album: Kawaikutegomen (feat. HoneyWorks, capi & Una Otomachi) [Kawaiikute Gomen Cover Vol.11]
  type: MusicAlbum
  date published: 2024-05-14
album: After the Exam
  type: MusicAlbum
  date published: 2025-01-25
album: A Song for a Week
  type: MusicAlbum
  date published: 2025-01-26
album: Tear drops are falling under the dry sky
  type: MusicAlbum
  date published: 2025-01-26
album: RaRaRamen
  type: MusicAlbum
  date published: 2025-01-28
album: SUSHI SONG
  type: MusicAlbum
  date published: 2025-01-29
album: Just Do It!
  type: MusicAlbum
  date published: 2025-01-29
album: SUSHI SONG
  type: MusicAlbum
  date published: 2025-01-29
album: Take me to SUSHI!
  type: MusicAlbum
  date published: 2025-01-31
album: 百人一首ソングbyボカロ Part2
  type: MusicAlbum
  date published: 2025-01-31
album: Hyakunin-Isshu Songs by VOCALOID Part2
  type: MusicAlbum
  date published: 2025-01-31
album: 夜空をひとっ飛び
  type: MusicAlbum
  date published: 2025-02-01
album: Don't give up on your dreams!
  type: MusicAlbum
  date published: 2025-02-01
album: Being late!!
  type: MusicAlbum
  date published: 2025-02-01
album: Fly in the night sky!
  type: MusicAlbum
  date published: 2025-02-01
album: Once Only Life
  type: MusicAlbum
  date published: 2025-02-01
album: 遅刻魔の唄
  type: MusicAlbum
  date published: 2025-02-01
album: 一度きりの人生
  type: MusicAlbum
  date published: 2025-02-01
album: ゆっくり休もう
  type: MusicAlbum
  date published: 2025-02-02
album: Have some rest
  type: MusicAlbum
  date published: 2025-02-02
  track: Have some rest
    type: MusicRecording
    duration: PT0M32S
    duration ms: 32400
    explicit: false
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    in album: Have some rest
      type: MusicAlbum
      date published: 2025-02-02
    isrc code: TCJPD2575618
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      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:49:21Z
    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
    audio: Have some rest
album: Rainy Sunday
album: Parade
album: It doesn't go well
album: Rest in peace
album: Help us, SUPER HERO!
album: You can do it!!
album: スーパーヒーロー助けて
album: Cherry Blossom along Saho river
album: I love plum blossom!
album: 梅の花だいすき
album: やめちゃった
album: She quit
album: I have to do it ALL!
album: I love RAMEN!! (feat. SANDRA, JESSICA & YUINA)
album: ラーメン大好き (feat. SANDRA, JESSICA & YUINA)
album: Intro
album: 同じ月が
album: Same Moon
album: Endless Work (feat. JESSICA, MICHELLE, SANDRA & SARAH)
album: 終わらない仕事 (feat. JESSICA, MICHELLE, SANDRA & SARAH)
album: White Canvas

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf348c722f646455b4624ebf540fdbaa2e73b84a246297f5d12875cdbaf9a5a3b. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/TCJPD2575618.
date published: 2026-07-17T19:49:21Z

Have some rest
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 199.471
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.534
additional property: Energy
  type: PropertyValue
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additional property: Speechiness
  type: PropertyValue
  value: 0.058
additional property: Acousticness
  type: PropertyValue
  value: 0.928
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.09
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.845
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.489
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Rainy Sunday
type: MusicAlbum
date published: 2025-02-03

Parade
type: MusicAlbum
date published: 2025-02-03

It doesn't go well
type: MusicAlbum
date published: 2025-02-03

Parade
type: MusicAlbum
date published: 2025-02-03

Rainy Sunday
type: MusicAlbum
date published: 2025-02-03

Rest in peace
type: MusicAlbum
date published: 2025-02-03

Help us, SUPER HERO!
type: MusicAlbum
date published: 2025-02-06

You can do it!!
type: MusicAlbum
date published: 2025-02-06

スーパーヒーロー助けて
type: MusicAlbum
date published: 2025-02-06

Cherry Blossom along Saho river
type: MusicAlbum
date published: 2025-02-07

I love plum blossom!
type: MusicAlbum
date published: 2025-02-08

梅の花だいすき
type: MusicAlbum
date published: 2025-02-08

やめちゃった
type: MusicAlbum
date published: 2025-02-08

She quit
type: MusicAlbum
date published: 2025-02-08

I have to do it ALL!
type: MusicAlbum
date published: 2025-02-09

I love RAMEN!! (feat. SANDRA, JESSICA & YUINA)
type: MusicAlbum
date published: 2025-02-11

ラーメン大好き (feat. SANDRA, JESSICA & YUINA)
type: MusicAlbum
date published: 2025-02-11

Intro
type: MusicAlbum
date published: 2025-02-14

同じ月が
type: MusicAlbum
date published: 2025-02-16

Same Moon
type: MusicAlbum
date published: 2025-02-16

Endless Work (feat. JESSICA, MICHELLE, SANDRA & SARAH)
type: MusicAlbum
date published: 2025-02-18
track: Endless Work (feat. JESSICA, MICHELLE, SANDRA & SARAH)
  type: MusicRecording
  duration: PT1M6S
  duration ms: 66428
  explicit: false
  by artist: HIRO
  in album: Endless Work (feat. JESSICA, MICHELLE, SANDRA & SARAH)
    type: MusicAlbum
    date published: 2025-02-18
  isrc code: TCJPD2599947
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T17:20:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2712de62425723225826addf549f94589f126740587ffe1bcec8d539c37b6b2e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2599947
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T18:21:04Z
  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 0x2712de62425723225826addf549f94589f126740587ffe1bcec8d539c37b6b2e. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/TCJPD2599947.
    date published: 2026-07-13T18:21:04Z
  audio: Endless Work (feat. JESSICA, MICHELLE, SANDRA & SARAH)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.942
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.663
    additional property: Energy
      type: PropertyValue
      value: 0.54
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.193
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.195
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.137
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.892
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

終わらない仕事 (feat. JESSICA, MICHELLE, SANDRA & SARAH)
type: MusicAlbum
date published: 2025-02-18

White Canvas
type: MusicAlbum
date published: 2025-02-22

1mm
type: MusicAlbum
date published: 2025-02-23

Little by Little (feat. TAKU, SHION, NAOKI & AKITO)
type: MusicAlbum
date published: 2025-02-28

Le t's do little by little!
type: MusicAlbum
date published: 2025-03-18

I'm sorry (feat. TAKU)
type: MusicAlbum
date published: 2025-05-12

Tarikaro
type: MusicAlbum
date published: 2025-06-24

Let's go to TARIKARO! (feat. YUINA)
type: MusicAlbum
date published: 2025-06-27