NCT U
type: MusicGroup
genre: k-pop
popularity: 62
followers: 4319634
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://artists.proofprofile.net/proofs/artist/dca4cdba-c099-4222-b62b-8dfa528043ca.ots
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additional property: OTSTimestamp
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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 → block must exist at that height 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
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4da2b901699c61f772d00fe2f17d88fcf39f5fc7970f4936bc76adb9e4697173. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dca4cdba-c099-4222-b62b-8dfa528043ca.json and https://artists.proofprofile.net/proofs/artist/dca4cdba-c099-4222-b62b-8dfa528043ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: 일곱 번째 감각 The 7th Sense
  type: MusicAlbum
  date published: 2016-04-09
  track: 일곱 번째 감각 The 7th Sense (Sung by TAEYONG, MARK, JAEHYUN, DOYOUNG, TEN)
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214035
    explicit: false
    by artist: NCT U
    in album: 일곱 번째 감각 The 7th Sense
      type: MusicAlbum
      date published: 2016-04-09
album: 일곱 번째 감각 The 7th Sense
  type: MusicAlbum
  date published: 2016-04-09
  track: 일곱 번째 감각 The 7th Sense (Sung by TAEYONG, MARK, JAEHYUN, DOYOUNG, TEN)
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214035
    explicit: false
    by artist: NCT U
    in album: 일곱 번째 감각 The 7th Sense
      type: MusicAlbum
      date published: 2016-04-09
album: WITHOUT YOU
  type: MusicAlbum
  date published: 2016-04-10
  track: WITHOUT YOU (Sung by JAEHYUN, DOYOUNG, TAEIL)
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205533
    explicit: false
    by artist: NCT U
    in album: WITHOUT YOU
      type: MusicAlbum
      date published: 2016-04-10
  track: WITHOUT YOU (Sung by KUN, JAEHYUN, DOYOUNG, TAEIL) - Chinese Version
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205533
    explicit: false
    by artist: NCT U
    in album: WITHOUT YOU
      type: MusicAlbum
      date published: 2016-04-10
album: The 7th Sense
  type: MusicAlbum
  date published: 2016-04-10
  track: The 7th Sense
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214035
    explicit: false
    by artist: NCT U
    in album: The 7th Sense
      type: MusicAlbum
      date published: 2016-04-10
album: WITHOUT YOU
  type: MusicAlbum
  date published: 2016-04-10
  track: WITHOUT YOU (Sung by JAEHYUN, DOYOUNG, TAEIL)
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205533
    explicit: false
    by artist: NCT U
    in album: WITHOUT YOU
      type: MusicAlbum
      date published: 2016-04-10
  track: WITHOUT YOU (Sung by KUN, JAEHYUN, DOYOUNG, TAEIL) - Chinese Version
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205533
    explicit: false
    by artist: NCT U
    in album: WITHOUT YOU
      type: MusicAlbum
      date published: 2016-04-10
album: 텐데... (Timeless) - SM STATION
  type: MusicAlbum
  date published: 2018-01-12
  track: 텐데...Timeless (Sung by JAEHYUN, DOYOUNG, TAEIL)
    type: MusicRecording
    duration: PT4M10S
    duration ms: 250826
    explicit: false
    by artist: NCT U
    in album: 텐데... (Timeless) - SM STATION
      type: MusicAlbum
      date published: 2018-01-12
  track: 텐데...Timeless (Sung by JAEHYUN, DOYOUNG, TAEIL) - Instrumental
    type: MusicRecording
    duration: PT4M10S
    duration ms: 250827
    explicit: false
    by artist: NCT U
    in album: 텐데... (Timeless) - SM STATION
      type: MusicAlbum
      date published: 2018-01-12
    isrc code: KRA301800018
album: RADIO ROMANCE OST Part.1
  type: MusicAlbum
  date published: 2018-01-30
  track: Radio Romance (Sung by TAEIL, DOYOUNG)
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219125
    explicit: false
    by artist: NCT U
    in album: RADIO ROMANCE OST Part.1
      type: MusicAlbum
      date published: 2018-01-30
  track: Radio Romance (Sung by TAEIL, DOYOUNG) Inst. (Instrumental)
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219125
    explicit: false
    by artist: NCT U
    in album: RADIO ROMANCE OST Part.1
      type: MusicAlbum
      date published: 2018-01-30
album: Baby Don't Stop (Special Thai Version)
  type: MusicAlbum
  date published: 2018-06-02
  track: Baby Don't Stop - Special Thai Version
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183019
    explicit: false
    by artist: NCT U
    in album: Baby Don't Stop (Special Thai Version)
      type: MusicAlbum
      date published: 2018-06-02
  track: Baby Don't Stop - Instrumental
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183019
    explicit: false
    by artist: NCT U
    in album: Baby Don't Stop (Special Thai Version)
      type: MusicAlbum
      date published: 2018-06-02
    isrc code: KRA301800239
album: When You're On The Blacklist Of Bullies Pt.1 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2019-08-09
  track: New Love (Sung by 도영, 재현)
    type: MusicRecording
    duration: PT3M49S
    duration ms: 229266
    explicit: false
    by artist: NCT U
    in album: When You're On The Blacklist Of Bullies Pt.1 (Original Television Soundtrack)
      type: MusicAlbum
      date published: 2019-08-09
  track: New Love (Inst.)
    type: MusicRecording
    duration: PT3M49S
    duration ms: 229280
    explicit: false
    by artist: NCT U
    in album: When You're On The Blacklist Of Bullies Pt.1 (Original Television Soundtrack)
      type: MusicAlbum
      date published: 2019-08-09
album: The Tale Of Nokdu (Original Television Soundtrack), Pt. 1
album: The Tale Of Nokdu 조선로코 - 녹두전 (Original Television Soundtrack), Pt. 1
album: STATION X 4 LOVEs for Winter Part.2
album: MAXIS BY RYAN JHUN PT. 1
album: MAXIS BY RYAN JHUN Pt. 1-Maniac
album: Universe (Let's Play Ball)
album: coNEXTion (Age of Light) - SM STATION : NCT LAB
album: Rain Day - SM STATION : NCT LAB
album: Idol Lounge : NCT U audio liners
album: N.Y.C.T - NCT LAB
album: iScreaM Vol.27 : Baggy Jeans Remixes
album: Marine Turtle - NCT LAB
album: Do It (Let’s Play) (NCT ZONE OST)
track: Baggy Jeans
track: Call D
track: PADO
track: Interlude: Oasis
track: The BAT
track: Alley Oop
track: That's Not Fair
track: Kangaroo
track: Not Your Fault
track: New Axis
track: Universe (Let's Play Ball)
track: OK!
track: Birthday Party
track: Know Now
track: Round&Round
track: Vroom
track: Sweet Dream
track: Good Night
track: 90's Love
track: Misfit

When You're On The Blacklist Of Bullies Pt.1 (Original Television Soundtrack)
type: MusicAlbum
date published: 2019-08-09
track: New Love
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229265
  explicit: false
  by artist: NCT U
  in album: When You're On The Blacklist Of Bullies Pt.1 (Original Television Soundtrack)
    type: MusicAlbum
    date published: 2019-08-09
track: New Love - Instrumental
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229280
  explicit: false
  by artist: NCT U
  in album: When You're On The Blacklist Of Bullies Pt.1 (Original Television Soundtrack)
    type: MusicAlbum
    date published: 2019-08-09

The Tale Of Nokdu (Original Television Soundtrack), Pt. 1
type: MusicAlbum
date published: 2019-10-01
track: Baby Only You (Sung by DOYOUNG, MARK)
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196000
  explicit: false
  by artist: NCT U
  in album: The Tale Of Nokdu (Original Television Soundtrack), Pt. 1
    type: MusicAlbum
    date published: 2019-10-01
track: Baby Only You - Instrumental
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195986
  explicit: false
  by artist: NCT U
  in album: The Tale Of Nokdu (Original Television Soundtrack), Pt. 1
    type: MusicAlbum
    date published: 2019-10-01

The Tale Of Nokdu 조선로코 - 녹두전 (Original Television Soundtrack), Pt. 1
type: MusicAlbum
date published: 2019-10-01
track: Baby Only You (Sung by DOYOUNG, MARK)
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196000
  explicit: false
  by artist: NCT U
  in album: The Tale Of Nokdu 조선로코 - 녹두전 (Original Television Soundtrack), Pt. 1
    type: MusicAlbum
    date published: 2019-10-01
track: Baby Only You - Instrumental
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195986
  explicit: false
  by artist: NCT U
  in album: The Tale Of Nokdu 조선로코 - 녹두전 (Original Television Soundtrack), Pt. 1
    type: MusicAlbum
    date published: 2019-10-01

STATION X 4 LOVEs for Winter Part.2
type: MusicAlbum
date published: 2019-12-13
track: Coming Home (Sung by TAEIL, DOYOUNG, JAEHYUN, HAECHAN)
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263613
  explicit: false
  by artist: NCT U
  in album: STATION X 4 LOVEs for Winter Part.2
    type: MusicAlbum
    date published: 2019-12-13
track: Coming Home (Sung by TAEIL, DOYOUNG, JAEHYUN, HAECHAN) - Instrumental
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263626
  explicit: false
  by artist: NCT U
  in album: STATION X 4 LOVEs for Winter Part.2
    type: MusicAlbum
    date published: 2019-12-13
  isrc code: KRA301900587

MAXIS BY RYAN JHUN PT. 1
type: MusicAlbum
date published: 2021-08-12
track: Maniac (Sung by DOYOUNG, HAECHAN) (Prod. RYAN JHUN)
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208266
  explicit: false
  by artist: NCT U
  in album: MAXIS BY RYAN JHUN PT. 1
    type: MusicAlbum
    date published: 2021-08-12

MAXIS BY RYAN JHUN Pt. 1-Maniac
type: MusicAlbum
date published: 2021-08-12
track: MAXIS BY RYAN JHUN Pt. 1-Maniac
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208482
  explicit: false
  by artist: NCT U
  in album: MAXIS BY RYAN JHUN Pt. 1-Maniac
    type: MusicAlbum
    date published: 2021-08-12

Universe (Let's Play Ball)
type: MusicAlbum
date published: 2021-12-09
track: Universe (Let's Play Ball)
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231466
  explicit: false
  by artist: NCT U
  in album: Universe (Let's Play Ball)
    type: MusicAlbum
    date published: 2021-12-09

Universe (Let's Play Ball)
type: MusicAlbum
date published: 2021-12-10
track: Universe (Let's Play Ball)
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231466
  explicit: false
  by artist: NCT U
  in album: Universe (Let's Play Ball)
    type: MusicAlbum
    date published: 2021-12-10

Universe (Let's Play Ball)
type: MusicAlbum
date published: 2021-12-10
track: Universe (Let's Play Ball)
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231466
  explicit: false
  by artist: NCT U
  in album: Universe (Let's Play Ball)
    type: MusicAlbum
    date published: 2021-12-10

coNEXTion (Age of Light) - SM STATION : NCT LAB
type: MusicAlbum
date published: 2022-03-20
track: coNEXTion (Age of Light)
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226933
  explicit: false
  by artist: NCT U
  in album: coNEXTion (Age of Light) - SM STATION : NCT LAB
    type: MusicAlbum
    date published: 2022-03-20
track: coNEXTion (Age of Light) - Instrumental
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226920
  explicit: false
  by artist: NCT U
  in album: coNEXTion (Age of Light) - SM STATION : NCT LAB
    type: MusicAlbum
    date published: 2022-03-20
  isrc code: KRA302200056

Rain Day - SM STATION : NCT LAB
type: MusicAlbum
date published: 2022-07-19
track: Rain Day
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190560
  explicit: false
  by artist: NCT U
  in album: Rain Day - SM STATION : NCT LAB
    type: MusicAlbum
    date published: 2022-07-19
track: Rain Day - Instrumental
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190546
  explicit: false
  by artist: NCT U
  in album: Rain Day - SM STATION : NCT LAB
    type: MusicAlbum
    date published: 2022-07-19
  isrc code: KRA302200121

Idol Lounge : NCT U audio liners
type: MusicAlbum
date published: 2023-09-05
track: MARK recommends
  type: MusicRecording
  duration: PT0M8S
  duration ms: 8775
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05
track: MARK recommends
  type: MusicRecording
  duration: PT0M11S
  duration ms: 11177
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05
track: JAEHYUN recommends
  type: MusicRecording
  duration: PT0M9S
  duration ms: 9376
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05
track: JAEHYUN recommends
  type: MusicRecording
  duration: PT0M7S
  duration ms: 7607
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05
track: TEN recommends
  type: MusicRecording
  duration: PT0M16S
  duration ms: 16716
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05
track: TEN recommends
  type: MusicRecording
  duration: PT0M11S
  duration ms: 11544
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05
track: DOYOUNG recommends
  type: MusicRecording
  duration: PT0M14S
  duration ms: 14581
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05
track: DOYOUNG recommends
  type: MusicRecording
  duration: PT0M10S
  duration ms: 10777
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05
track: TAEYONG recommends
  type: MusicRecording
  duration: PT0M16S
  duration ms: 16583
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05
track: TAEYONG recommends
  type: MusicRecording
  duration: PT0M15S
  duration ms: 15749
  explicit: false
  by artist: NCT U
  in album: Idol Lounge : NCT U audio liners
    type: MusicAlbum
    date published: 2023-09-05

N.Y.C.T - NCT LAB
type: MusicAlbum
date published: 2023-09-07
track: N.Y.C.T
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236640
  explicit: false
  by artist: NCT U
  in album: N.Y.C.T - NCT LAB
    type: MusicAlbum
    date published: 2023-09-07
track: N.Y.C.T - Instrumental
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236640
  explicit: false
  by artist: NCT U
  in album: N.Y.C.T - NCT LAB
    type: MusicAlbum
    date published: 2023-09-07
  isrc code: KRA302300321

iScreaM Vol.27 : Baggy Jeans Remixes
type: MusicAlbum
date published: 2023-11-29
track: Baggy Jeans (KIM MINCHEOL & HAYATE Remix)
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188077
  explicit: false
  by artist: NCT U
  in album: iScreaM Vol.27 : Baggy Jeans Remixes
    type: MusicAlbum
    date published: 2023-11-29
track: Baggy Jeans (Hukky Shibaseki Remix)
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144269
  explicit: false
  by artist: NCT U
  in album: iScreaM Vol.27 : Baggy Jeans Remixes
    type: MusicAlbum
    date published: 2023-11-29
track: Baggy Jeans
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211386
  explicit: false
  by artist: NCT U
  in album: iScreaM Vol.27 : Baggy Jeans Remixes
    type: MusicAlbum
    date published: 2023-11-29

iScreaM Vol.27 : Baggy Jeans Remixes
type: MusicAlbum
date published: 2023-11-30
track: Baggy Jeans - KIM MINCHEOL & HAYATE Remix
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188077
  explicit: false
  by artist: NCT U
  in album: iScreaM Vol.27 : Baggy Jeans Remixes
    type: MusicAlbum
    date published: 2023-11-30
  isrc code: KRA302300462
track: Baggy Jeans - Hukky Shibaseki Remix
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144269
  explicit: false
  by artist: NCT U
  in album: iScreaM Vol.27 : Baggy Jeans Remixes
    type: MusicAlbum
    date published: 2023-11-30
  isrc code: KRA302300463
track: Baggy Jeans
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211386
  explicit: false
  by artist: NCT U
  in album: iScreaM Vol.27 : Baggy Jeans Remixes
    type: MusicAlbum
    date published: 2023-11-30

iScreaM Vol.27 : Baggy Jeans Remixes
type: MusicAlbum
date published: 2023-11-30
track: Baggy Jeans - KIM MINCHEOL & HAYATE Remix
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188077
  explicit: false
  by artist: NCT U
  in album: iScreaM Vol.27 : Baggy Jeans Remixes
    type: MusicAlbum
    date published: 2023-11-30
track: Baggy Jeans - Hukky Shibaseki Remix
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144269
  explicit: false
  by artist: NCT U
  in album: iScreaM Vol.27 : Baggy Jeans Remixes
    type: MusicAlbum
    date published: 2023-11-30
track: Baggy Jeans
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211386
  explicit: false
  by artist: NCT U
  in album: iScreaM Vol.27 : Baggy Jeans Remixes
    type: MusicAlbum
    date published: 2023-11-30

Marine Turtle - NCT LAB
type: MusicAlbum
date published: 2023-12-06
track: 蓝洋海龟 (Marine Turtle)
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219733
  explicit: false
  by artist: NCT U
  in album: Marine Turtle - NCT LAB
    type: MusicAlbum
    date published: 2023-12-06
track: Marine Turtle - Korean Version
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219720
  explicit: false
  by artist: NCT U
  in album: Marine Turtle - NCT LAB
    type: MusicAlbum
    date published: 2023-12-06
track: Marine Turtle - Instrumental
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219720
  explicit: false
  by artist: NCT U
  in album: Marine Turtle - NCT LAB
    type: MusicAlbum
    date published: 2023-12-06

Do It (Let’s Play) (NCT ZONE OST)
type: MusicAlbum
date published: 2024-01-11
track: Do It (Let’s Play)
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  duration: PT3M23S
  duration ms: 203586
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  by artist: NCT U
  in album: Do It (Let’s Play) (NCT ZONE OST)
    type: MusicAlbum
    date published: 2024-01-11
track: Do It (Let’s Play) - Instrumental
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203573
  explicit: false
  by artist: NCT U
  in album: Do It (Let’s Play) (NCT ZONE OST)
    type: MusicAlbum
    date published: 2024-01-11

Baggy Jeans
type: MusicRecording
duration: PT3M31S
duration ms: 211386
explicit: false
by artist: NCT U
in album: Golden Age - The 4th Album
  type: MusicAlbum
  date published: 2023-08-28
isrc code: KRA302300281
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T05:55:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x031414f5f80d8e3044c02e9496098928b26a4bdfc39d1116767f3fe1673a2fdb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3fR9cyHIKckUDwuy3m5tKn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fR9cyHIKckUDwuy3m5tKn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x031414f5f80d8e3044c02e9496098928b26a4bdfc39d1116767f3fe1673a2fdb","isrc":"KRA302300281","name":"Baggy Jeans","registered_at":"2026-06-04T05:55:15Z","spotify_id":"3fR9cyHIKckUDwuy3m5tKn","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x031414f5f80d8e3044c02e9496098928b26a4bdfc39d1116767f3fe1673a2fdb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3fR9cyHIKckUDwuy3m5tKn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fR9cyHIKckUDwuy3m5tKn.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x031414f5f80d8e3044c02e9496098928b26a4bdfc39d1116767f3fe1673a2fdb","isrc":"KRA302300281","name":"Baggy Jeans","registered_at":"2026-06-04T05:55:15Z","spotify_id":"3fR9cyHIKckUDwuy3m5tKn","type":"track"}

Call D
type: MusicRecording
duration: PT3M36S
duration ms: 216346
explicit: false
by artist: NCT U
in album: Golden Age - The 4th Album
  type: MusicAlbum
  date published: 2023-08-28
isrc code: KRA302300282
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:13:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcd1ad501b9c87fb4680d77119ebc1c796fb4b37c27aca64bccbd460c0568c78b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/50JAz53jf3WN0L68Q0UB1i.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/50JAz53jf3WN0L68Q0UB1i
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcd1ad501b9c87fb4680d77119ebc1c796fb4b37c27aca64bccbd460c0568c78b","isrc":"KRA302300282","name":"Call D","registered_at":"2026-06-04T15:13:51Z","spotify_id":"50JAz53jf3WN0L68Q0UB1i","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xcd1ad501b9c87fb4680d77119ebc1c796fb4b37c27aca64bccbd460c0568c78b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/50JAz53jf3WN0L68Q0UB1i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/50JAz53jf3WN0L68Q0UB1i.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xcd1ad501b9c87fb4680d77119ebc1c796fb4b37c27aca64bccbd460c0568c78b","isrc":"KRA302300282","name":"Call D","registered_at":"2026-06-04T15:13:51Z","spotify_id":"50JAz53jf3WN0L68Q0UB1i","type":"track"}

PADO
type: MusicRecording
duration: PT2M58S
duration ms: 178573
explicit: false
by artist: NCT U
in album: Golden Age - The 4th Album
  type: MusicAlbum
  date published: 2023-08-28
isrc code: KRA302300283
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T07:42:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fde0b2f52e460c8e44a1e1d8748f15e24517c20bf03e1f79a357e4dc97112eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6CenEp6o0RDrWwe38VFvaB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6CenEp6o0RDrWwe38VFvaB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7fde0b2f52e460c8e44a1e1d8748f15e24517c20bf03e1f79a357e4dc97112eb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6CenEp6o0RDrWwe38VFvaB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6CenEp6o0RDrWwe38VFvaB.
  date published: 2026-06-13T12:47:07Z

Interlude: Oasis
type: MusicRecording
duration: PT2M7S
duration ms: 127493
explicit: false
by artist: NCT U
in album: Golden Age - The 4th Album
  type: MusicAlbum
  date published: 2023-08-28
isrc code: KRA302300284
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T20:42:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7aa29767738f8ed3e6febadee8a221ba5a3bd3789ab4e90783822f6c99afa12d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1T9vJo1IkbhopAo9nojNkM.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1T9vJo1IkbhopAo9nojNkM
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7aa29767738f8ed3e6febadee8a221ba5a3bd3789ab4e90783822f6c99afa12d","isrc":"KRA302300284","name":"Interlude: Oasis","registered_at":"2026-06-05T20:42:10Z","spotify_id":"1T9vJo1IkbhopAo9nojNkM","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7aa29767738f8ed3e6febadee8a221ba5a3bd3789ab4e90783822f6c99afa12d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1T9vJo1IkbhopAo9nojNkM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1T9vJo1IkbhopAo9nojNkM.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x7aa29767738f8ed3e6febadee8a221ba5a3bd3789ab4e90783822f6c99afa12d","isrc":"KRA302300284","name":"Interlude: Oasis","registered_at":"2026-06-05T20:42:10Z","spotify_id":"1T9vJo1IkbhopAo9nojNkM","type":"track"}

The BAT
type: MusicRecording
duration: PT2M50S
duration ms: 170906
explicit: false
by artist: NCT U
in album: Golden Age - The 4th Album
  type: MusicAlbum
  date published: 2023-08-28
isrc code: KRA302300285
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:39:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93e9ce0ce78355189ffd838f44426a88ac95a083e47f107c36a04958493503b7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1VMbcqhglWyMmwCD8yoqxv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1VMbcqhglWyMmwCD8yoqxv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x93e9ce0ce78355189ffd838f44426a88ac95a083e47f107c36a04958493503b7","isrc":"KRA302300285","name":"The BAT","registered_at":"2026-06-04T09:39:50Z","spotify_id":"1VMbcqhglWyMmwCD8yoqxv","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x93e9ce0ce78355189ffd838f44426a88ac95a083e47f107c36a04958493503b7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1VMbcqhglWyMmwCD8yoqxv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1VMbcqhglWyMmwCD8yoqxv.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x93e9ce0ce78355189ffd838f44426a88ac95a083e47f107c36a04958493503b7","isrc":"KRA302300285","name":"The BAT","registered_at":"2026-06-04T09:39:50Z","spotify_id":"1VMbcqhglWyMmwCD8yoqxv","type":"track"}

Alley Oop
type: MusicRecording
duration: PT3M38S
duration ms: 218466
explicit: false
by artist: NCT U
in album: Golden Age - The 4th Album
  type: MusicAlbum
  date published: 2023-08-28
isrc code: KRA302300286
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:59:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2994227989ff360f72ff52f908c9c80c7d1f33221e4b5bd978cf867654d64647
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3LWwtrxV7tXpeaJog7nYlu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3LWwtrxV7tXpeaJog7nYlu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2994227989ff360f72ff52f908c9c80c7d1f33221e4b5bd978cf867654d64647","isrc":"KRA302300286","name":"Alley Oop","registered_at":"2026-06-04T13:59:47Z","spotify_id":"3LWwtrxV7tXpeaJog7nYlu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2994227989ff360f72ff52f908c9c80c7d1f33221e4b5bd978cf867654d64647. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3LWwtrxV7tXpeaJog7nYlu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3LWwtrxV7tXpeaJog7nYlu.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x2994227989ff360f72ff52f908c9c80c7d1f33221e4b5bd978cf867654d64647","isrc":"KRA302300286","name":"Alley Oop","registered_at":"2026-06-04T13:59:47Z","spotify_id":"3LWwtrxV7tXpeaJog7nYlu","type":"track"}

That's Not Fair
type: MusicRecording
duration: PT3M1S
duration ms: 181960
explicit: false
by artist: NCT U
in album: Golden Age - The 4th Album
  type: MusicAlbum
  date published: 2023-08-28
isrc code: KRA302300287
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:41:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x507b7823d9cd0099848bbcad6a98de7bfe2b44a4fb5d9815df8523bab1563603
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4FNSuSWVzboxJsjO0T3Tit.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FNSuSWVzboxJsjO0T3Tit
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x507b7823d9cd0099848bbcad6a98de7bfe2b44a4fb5d9815df8523bab1563603","isrc":"KRA302300287","name":"That's Not Fair","registered_at":"2026-06-05T11:41:19Z","spotify_id":"4FNSuSWVzboxJsjO0T3Tit","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x507b7823d9cd0099848bbcad6a98de7bfe2b44a4fb5d9815df8523bab1563603. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FNSuSWVzboxJsjO0T3Tit.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FNSuSWVzboxJsjO0T3Tit.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x507b7823d9cd0099848bbcad6a98de7bfe2b44a4fb5d9815df8523bab1563603","isrc":"KRA302300287","name":"That's Not Fair","registered_at":"2026-06-05T11:41:19Z","spotify_id":"4FNSuSWVzboxJsjO0T3Tit","type":"track"}

Kangaroo
type: MusicRecording
duration: PT3M36S
duration ms: 216360
explicit: false
by artist: NCT U
in album: Golden Age - The 4th Album
  type: MusicAlbum
  date published: 2023-08-28
isrc code: KRA302300288
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:50:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6803afad504a31a45b49128a9db6bbcc34652cd3f0133e143c2b2c63040af7f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2gH5iHTqC7thYwUFFbAkzN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gH5iHTqC7thYwUFFbAkzN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6803afad504a31a45b49128a9db6bbcc34652cd3f0133e143c2b2c63040af7f5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gH5iHTqC7thYwUFFbAkzN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gH5iHTqC7thYwUFFbAkzN.
  date published: 2026-06-13T12:47:07Z

Not Your Fault
type: MusicRecording
duration: PT3M21S
duration ms: 201826
explicit: false
by artist: NCT U
in album: Golden Age - The 4th Album
  type: MusicAlbum
  date published: 2023-08-28
isrc code: KRA302300289
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:41:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3686f343ac84d2446eb802d371f733f07d901833a3025ec5a363e75417b05c7b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/03PyOccCB9KCbGWXJNshVa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/03PyOccCB9KCbGWXJNshVa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3686f343ac84d2446eb802d371f733f07d901833a3025ec5a363e75417b05c7b","isrc":"KRA302300289","name":"Not Your Fault","registered_at":"2026-06-05T11:41:53Z","spotify_id":"03PyOccCB9KCbGWXJNshVa","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3686f343ac84d2446eb802d371f733f07d901833a3025ec5a363e75417b05c7b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/03PyOccCB9KCbGWXJNshVa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/03PyOccCB9KCbGWXJNshVa.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x3686f343ac84d2446eb802d371f733f07d901833a3025ec5a363e75417b05c7b","isrc":"KRA302300289","name":"Not Your Fault","registered_at":"2026-06-05T11:41:53Z","spotify_id":"03PyOccCB9KCbGWXJNshVa","type":"track"}

New Axis
type: MusicRecording
duration: PT2M11S
duration ms: 131946
explicit: false
by artist: NCT U
in album: Universe - The 3rd Album
  type: MusicAlbum
  date published: 2021-12-14
isrc code: KRA302100381
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T05:01:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8bb1d9863937f495838e9d505bbedc144b4959bfefb1356d120fc42b91fd4d3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1qExTKTJfeYGNkSy2kl3Ak.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1qExTKTJfeYGNkSy2kl3Ak
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8bb1d9863937f495838e9d505bbedc144b4959bfefb1356d120fc42b91fd4d3f","isrc":"KRA302100381","name":"New Axis","registered_at":"2026-06-05T05:01:26Z","spotify_id":"1qExTKTJfeYGNkSy2kl3Ak","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x8bb1d9863937f495838e9d505bbedc144b4959bfefb1356d120fc42b91fd4d3f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1qExTKTJfeYGNkSy2kl3Ak.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1qExTKTJfeYGNkSy2kl3Ak.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x8bb1d9863937f495838e9d505bbedc144b4959bfefb1356d120fc42b91fd4d3f","isrc":"KRA302100381","name":"New Axis","registered_at":"2026-06-05T05:01:26Z","spotify_id":"1qExTKTJfeYGNkSy2kl3Ak","type":"track"}

Universe (Let's Play Ball)
type: MusicRecording
duration: PT3M51S
duration ms: 231466
explicit: false
by artist: NCT U
in album: Universe - The 3rd Album
  type: MusicAlbum
  date published: 2021-12-14
isrc code: KRA302100380
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:22:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3fc9de9eb07d12e895f97a981d3c33e00b8eafb72341021270dcc9ba318101b9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5Uy5zCjHo0NEg9GNW1LSZn.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Uy5zCjHo0NEg9GNW1LSZn
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3fc9de9eb07d12e895f97a981d3c33e00b8eafb72341021270dcc9ba318101b9","isrc":"KRA302100380","name":"Universe (Let's Play Ball)","registered_at":"2026-06-04T15:22:12Z","spotify_id":"5Uy5zCjHo0NEg9GNW1LSZn","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3fc9de9eb07d12e895f97a981d3c33e00b8eafb72341021270dcc9ba318101b9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Uy5zCjHo0NEg9GNW1LSZn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Uy5zCjHo0NEg9GNW1LSZn.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x3fc9de9eb07d12e895f97a981d3c33e00b8eafb72341021270dcc9ba318101b9","isrc":"KRA302100380","name":"Universe (Let's Play Ball)","registered_at":"2026-06-04T15:22:12Z","spotify_id":"5Uy5zCjHo0NEg9GNW1LSZn","type":"track"}

OK!
type: MusicRecording
duration: PT3M49S
duration ms: 229000
explicit: false
by artist: NCT U
in album: Universe - The 3rd Album
  type: MusicAlbum
  date published: 2021-12-14
isrc code: KRA302100383
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T08:43:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f6e8cdae7dc20cecc75a38425fd55f39527dbad5035f29f9b344ad7bb004c52
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/58mfBDcqsmFuP4ywJ5AuWx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58mfBDcqsmFuP4ywJ5AuWx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2f6e8cdae7dc20cecc75a38425fd55f39527dbad5035f29f9b344ad7bb004c52. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58mfBDcqsmFuP4ywJ5AuWx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58mfBDcqsmFuP4ywJ5AuWx.
  date published: 2026-06-13T15:41:10Z

Birthday Party
type: MusicRecording
duration: PT3M18S
duration ms: 198626
explicit: false
by artist: NCT U
in album: Universe - The 3rd Album
  type: MusicAlbum
  date published: 2021-12-14
isrc code: KRA302100384
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:42:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb99d07e8066945d587dc739cb214e43b7a92ad6533a0994d3e02e6096460bbfa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/19iOU7GBhuh7fq6jqT4s2T.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/19iOU7GBhuh7fq6jqT4s2T
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb99d07e8066945d587dc739cb214e43b7a92ad6533a0994d3e02e6096460bbfa","isrc":"KRA302100384","name":"Birthday Party","registered_at":"2026-06-05T11:42:45Z","spotify_id":"19iOU7GBhuh7fq6jqT4s2T","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb99d07e8066945d587dc739cb214e43b7a92ad6533a0994d3e02e6096460bbfa. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/19iOU7GBhuh7fq6jqT4s2T.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/19iOU7GBhuh7fq6jqT4s2T.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xb99d07e8066945d587dc739cb214e43b7a92ad6533a0994d3e02e6096460bbfa","isrc":"KRA302100384","name":"Birthday Party","registered_at":"2026-06-05T11:42:45Z","spotify_id":"19iOU7GBhuh7fq6jqT4s2T","type":"track"}

Know Now
type: MusicRecording
duration: PT3M48S
duration ms: 228693
explicit: false
by artist: NCT U
in album: Universe - The 3rd Album
  type: MusicAlbum
  date published: 2021-12-14
isrc code: KRA302100385
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:14:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x72a154a0a57ad2dc2c58880a31496d0bdf6cae482128c5f45df8c3b16bb096e8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/526vCRi4Wy6EGEX6Re9vXP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/526vCRi4Wy6EGEX6Re9vXP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x72a154a0a57ad2dc2c58880a31496d0bdf6cae482128c5f45df8c3b16bb096e8","isrc":"KRA302100385","name":"Know Now","registered_at":"2026-06-04T15:14:49Z","spotify_id":"526vCRi4Wy6EGEX6Re9vXP","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x72a154a0a57ad2dc2c58880a31496d0bdf6cae482128c5f45df8c3b16bb096e8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/526vCRi4Wy6EGEX6Re9vXP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/526vCRi4Wy6EGEX6Re9vXP.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x72a154a0a57ad2dc2c58880a31496d0bdf6cae482128c5f45df8c3b16bb096e8","isrc":"KRA302100385","name":"Know Now","registered_at":"2026-06-04T15:14:49Z","spotify_id":"526vCRi4Wy6EGEX6Re9vXP","type":"track"}

Round&Round
type: MusicRecording
duration: PT3M23S
duration ms: 203173
explicit: false
by artist: NCT U
in album: Universe - The 3rd Album
  type: MusicAlbum
  date published: 2021-12-14
isrc code: KRA302100387
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T10:09:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x138baa5f15694a149cbcb929b200b963338a41bd0d8c7257cbfec25da33fa717
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7m83eIaTZPfaEo3A0imGKP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7m83eIaTZPfaEo3A0imGKP
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x138baa5f15694a149cbcb929b200b963338a41bd0d8c7257cbfec25da33fa717. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7m83eIaTZPfaEo3A0imGKP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7m83eIaTZPfaEo3A0imGKP.
  date published: 2026-06-13T12:47:07Z

Vroom
type: MusicRecording
duration: PT3M45S
duration ms: 225666
explicit: false
by artist: NCT U
in album: Universe - The 3rd Album
  type: MusicAlbum
  date published: 2021-12-14
isrc code: KRA302100389
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T15:23:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x837bd39ef91fa66a55aaba07f71a8b0ea526ed3569741d8b7ce8bbb5926e4a67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7AXsppXxQ0HHOA7IqWw85y.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7AXsppXxQ0HHOA7IqWw85y
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x837bd39ef91fa66a55aaba07f71a8b0ea526ed3569741d8b7ce8bbb5926e4a67. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7AXsppXxQ0HHOA7IqWw85y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7AXsppXxQ0HHOA7IqWw85y.
  date published: 2026-06-13T17:25:41Z

Sweet Dream
type: MusicRecording
duration: PT3M32S
duration ms: 212280
explicit: false
by artist: NCT U
in album: Universe - The 3rd Album
  type: MusicAlbum
  date published: 2021-12-14
isrc code: KRA302100390
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T04:53:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x461e87ae0fc871f6715abcd28249d53c9c4862b9c5766574889cec56ada98d58
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3Ji8aniOOqBnhk53lWWJ2W.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Ji8aniOOqBnhk53lWWJ2W
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x461e87ae0fc871f6715abcd28249d53c9c4862b9c5766574889cec56ada98d58","isrc":"KRA302100390","name":"Sweet Dream","registered_at":"2026-06-05T04:53:55Z","spotify_id":"3Ji8aniOOqBnhk53lWWJ2W","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x461e87ae0fc871f6715abcd28249d53c9c4862b9c5766574889cec56ada98d58. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Ji8aniOOqBnhk53lWWJ2W.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Ji8aniOOqBnhk53lWWJ2W.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x461e87ae0fc871f6715abcd28249d53c9c4862b9c5766574889cec56ada98d58","isrc":"KRA302100390","name":"Sweet Dream","registered_at":"2026-06-05T04:53:55Z","spotify_id":"3Ji8aniOOqBnhk53lWWJ2W","type":"track"}

Good Night
type: MusicRecording
duration: PT3M58S
duration ms: 238200
explicit: false
by artist: NCT U
in album: Universe - The 3rd Album
  type: MusicAlbum
  date published: 2021-12-14
isrc code: KRA302100391
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T06:30:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcd21a25e84881efdcd4c3fd53bb32b69c108797f0830d3b2a3333ebdb51c1691
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5DOrvstSvBz8Udn4jOntgq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5DOrvstSvBz8Udn4jOntgq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcd21a25e84881efdcd4c3fd53bb32b69c108797f0830d3b2a3333ebdb51c1691","isrc":"KRA302100391","name":"Good Night","registered_at":"2026-06-05T06:30:41Z","spotify_id":"5DOrvstSvBz8Udn4jOntgq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xcd21a25e84881efdcd4c3fd53bb32b69c108797f0830d3b2a3333ebdb51c1691. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5DOrvstSvBz8Udn4jOntgq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5DOrvstSvBz8Udn4jOntgq.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xcd21a25e84881efdcd4c3fd53bb32b69c108797f0830d3b2a3333ebdb51c1691","isrc":"KRA302100391","name":"Good Night","registered_at":"2026-06-05T06:30:41Z","spotify_id":"5DOrvstSvBz8Udn4jOntgq","type":"track"}

90's Love
type: MusicRecording
duration: PT3M33S
duration ms: 213666
explicit: false
by artist: NCT U
in album: NCT RESONANCE Pt. 2 - The 2nd Album
  type: MusicAlbum
  date published: 2020-11-23
isrc code: KRA302000567
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T19:20:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5fa4ae44b42c5c329095de496d918cebfe695764d7a9e218827ab6bcbb3dad95
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0B36SbjfDv15ji1bQEEeTN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0B36SbjfDv15ji1bQEEeTN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5fa4ae44b42c5c329095de496d918cebfe695764d7a9e218827ab6bcbb3dad95","isrc":"KRA302000567","name":"90's Love","registered_at":"2026-06-01T19:20:24Z","spotify_id":"0B36SbjfDv15ji1bQEEeTN","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5fa4ae44b42c5c329095de496d918cebfe695764d7a9e218827ab6bcbb3dad95. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0B36SbjfDv15ji1bQEEeTN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0B36SbjfDv15ji1bQEEeTN.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x5fa4ae44b42c5c329095de496d918cebfe695764d7a9e218827ab6bcbb3dad95","isrc":"KRA302000567","name":"90's Love","registered_at":"2026-06-01T19:20:24Z","spotify_id":"0B36SbjfDv15ji1bQEEeTN","type":"track"}

Misfit
type: MusicRecording
duration: PT3M35S
duration ms: 215853
explicit: false
by artist: NCT U
in album: NCT RESONANCE Pt. 2 - The 2nd Album
  type: MusicAlbum
  date published: 2020-11-23
isrc code: KRA302000568
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T11:59:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x695e9724c9baba7d7b333e69e1d3a09c98310d091ebe40764ee7c7aa77cd7b0b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0eg5tx2WEHiCRGC028oOqD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0eg5tx2WEHiCRGC028oOqD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x695e9724c9baba7d7b333e69e1d3a09c98310d091ebe40764ee7c7aa77cd7b0b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0eg5tx2WEHiCRGC028oOqD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0eg5tx2WEHiCRGC028oOqD.
  date published: 2026-06-13T15:41:10Z