PLANCK STARS
type: MusicGroup
description: PLANCK STARS (プランクスターズ) is a Japanese idol girl group, originally from Hiroshima, but relocated to Tokyo in October 2025. They made their debut in 2018 and reached mainstream success in 2021. Their mu
popularity: 11
followers: 1974
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-15T04:47:56Z
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album: MACH DRIVE TIME!
  type: MusicAlbum
  date published: 2020-03-23
album: FUCK THE PINCHIKE
  type: MusicAlbum
  date published: 2020-06-01
  track: MACH DRIVE TIME!
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    by artist: PLANCK STARS
    in album: FUCK THE PINCHIKE
      type: MusicAlbum
      date published: 2020-06-01
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      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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d0dd06b1475d06b17119d54873ef41b262c901015a492883513a846280c329. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/TCJPL2075232.
      date published: 2026-07-19T07:14:39Z
    audio: MACH DRIVE TIME!
      type: AudioObject
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        value: 92.452
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      additional property: Danceability
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      additional property: Key Name
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  track: UFO UFO
    type: MusicRecording
    duration: PT4M29S
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    explicit: false
    by artist: PLANCK STARS
    in album: FUCK THE PINCHIKE
      type: MusicAlbum
      date published: 2020-06-01
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      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
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      date published: 2026-07-03T08:56:35Z
    audio: UFO UFO
      type: AudioObject
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      additional property: Danceability
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      additional property: Energy
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album: second challenge
album: I can finally talk to you
album: WAKE ME UP
album: HE HIS HIM HIS
album: planckstars desu.
album: OWARANAI
album: Adversity parasite
album: Absolute angel
album: STAY FUCKIN' GOLD
album: Ochiomegarema
album: Little devil GIRLFRIEND
album: Soiyassa! Hayashi-kun
album: REVOLUTiONiZE
album: My favorite photo shoot
album: BUTTER DOG SUMMIT
album: It's all right!!!
album: MRRN HPB BEST
album: pure jealousy
album: Tokimeki Summer dream
album: HANNYA?
album: SEX FRIEND LOVE
album: Love! There's no way you can say that, right?
album: plasta big undo-kai
album: Nandeyanen!Doshiteyanen!Donaiyanen!
album: Gal Be Alright
album: Pleimeit (feat. ANARU RAIRAI)
album: drunk drunk tactical night
album: Snakes&Tigers
album: The Ultimate explosive love
album: Poppin Animals
album: UNTIL HIACE BREAKS
album: Wassyoi! Yamada-kun
album: Tour Final
album: eternal so youth
album: Be a free person
album: Re:Endroll
album: MERRY PRANKSTERS

Valence (Positivity)
type: PropertyValue
value: 0.332

Loudness (dB)
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value: -1.32

Key Name
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value: Bb

Mode Name
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value: Minor

second challenge
type: MusicAlbum
date published: 2020-09-05

I can finally talk to you
type: MusicAlbum
date published: 2020-09-06

WAKE ME UP
type: MusicAlbum
date published: 2020-09-10

HE HIS HIM HIS
type: MusicAlbum
date published: 2020-12-06

planckstars desu.
type: MusicAlbum
date published: 2020-12-16

OWARANAI
type: MusicAlbum
date published: 2021-01-31

Adversity parasite
type: MusicAlbum
date published: 2021-05-11

FUCK THE PINCHIKE
type: MusicAlbum
date published: 2021-05-11

Absolute angel
type: MusicAlbum
date published: 2021-05-11

STAY FUCKIN' GOLD
type: MusicAlbum
date published: 2021-12-31

Ochiomegarema
type: MusicAlbum
date published: 2022-03-21

Little devil GIRLFRIEND
type: MusicAlbum
date published: 2022-05-03

Soiyassa! Hayashi-kun
type: MusicAlbum
date published: 2022-07-01

REVOLUTiONiZE
type: MusicAlbum
date published: 2022-07-02

My favorite photo shoot
type: MusicAlbum
date published: 2022-07-08

BUTTER DOG SUMMIT
type: MusicAlbum
date published: 2022-11-15

It's all right!!!
type: MusicAlbum
date published: 2023-05-04

MRRN HPB BEST
type: MusicAlbum
date published: 2023-07-25

pure jealousy
type: MusicAlbum
date published: 2023-08-07

Tokimeki Summer dream
type: MusicAlbum
date published: 2023-08-23

HANNYA?
type: MusicAlbum
date published: 2023-09-08

SEX FRIEND LOVE
type: MusicAlbum
date published: 2023-10-03

Love! There's no way you can say that, right?
type: MusicAlbum
date published: 2023-10-30

plasta big undo-kai
type: MusicAlbum
date published: 2024-01-18

Nandeyanen!Doshiteyanen!Donaiyanen!
type: MusicAlbum
date published: 2024-01-18

Gal Be Alright
type: MusicAlbum
date published: 2024-01-18

Pleimeit (feat. ANARU RAIRAI)
type: MusicAlbum
date published: 2024-06-07

drunk drunk tactical night
type: MusicAlbum
date published: 2024-07-14

Snakes&Tigers
type: MusicAlbum
date published: 2024-07-15

The Ultimate explosive love
type: MusicAlbum
date published: 2024-07-16

Poppin Animals
type: MusicAlbum
date published: 2024-07-18

UNTIL HIACE BREAKS
type: MusicAlbum
date published: 2024-09-18

Wassyoi! Yamada-kun
type: MusicAlbum
date published: 2024-09-18

Tour Final
type: MusicAlbum
date published: 2024-09-19

eternal so youth
type: MusicAlbum
date published: 2024-09-20

Be a free person
type: MusicAlbum
date published: 2024-09-26

Re:Endroll
type: MusicAlbum
date published: 2025-02-11

MERRY PRANKSTERS
type: MusicAlbum
date published: 2025-08-11