DURDN
type: MusicGroup
genre: japanese indie
genre: j-pop
genre: j-r&b
popularity: 44
followers: 73134
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdfc5480171047ec95e89b0eaaece385c24d1fef9ef78e957004c9116ad529db7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2e79410d-33f9-4aff-9aff-66033448bfe8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2e79410d-33f9-4aff-9aff-66033448bfe8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2e79410d-33f9-4aff-9aff-66033448bfe8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
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 → 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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc5480171047ec95e89b0eaaece385c24d1fef9ef78e957004c9116ad529db7. 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/2e79410d-33f9-4aff-9aff-66033448bfe8.json and https://artists.proofprofile.net/proofs/artist/2e79410d-33f9-4aff-9aff-66033448bfe8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Conflict
  type: MusicAlbum
  date published: 2021-01-16
  track: Conflict
    type: MusicRecording
    duration: PT2M47S
    duration ms: 167500
    explicit: false
    by artist: DURDN
    in album: Conflict
      type: MusicAlbum
      date published: 2021-01-16
album: Conflict
  type: MusicAlbum
  date published: 2021-01-16
  track: Conflict
    type: MusicRecording
    duration: PT2M47S
    duration ms: 167500
    explicit: false
    by artist: DURDN
    in album: Conflict
      type: MusicAlbum
      date published: 2021-01-16
album: Sutetaraii
  type: MusicAlbum
  date published: 2021-02-26
  track: Sutetaraii
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202886
    explicit: false
    by artist: DURDN
    in album: Sutetaraii
      type: MusicAlbum
      date published: 2021-02-26
album: 捨てたらいい
  type: MusicAlbum
  date published: 2021-02-26
  track: 捨てたらいい
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202886
    explicit: false
    by artist: DURDN
    in album: 捨てたらいい
      type: MusicAlbum
      date published: 2021-02-26
album: いつか、思い出に
  type: MusicAlbum
  date published: 2021-03-29
  track: いつか、思い出に
    type: MusicRecording
    duration: PT4M18S
    duration ms: 258187
    explicit: false
    by artist: DURDN
    in album: いつか、思い出に
      type: MusicAlbum
      date published: 2021-03-29
album: Itsuka Omoideni
  type: MusicAlbum
  date published: 2021-03-29
  track: Itsuka Omoideni
    type: MusicRecording
    duration: PT4M18S
    duration ms: 258187
    explicit: false
    by artist: DURDN
    in album: Itsuka Omoideni
      type: MusicAlbum
      date published: 2021-03-29
album: 忘れたいね
  type: MusicAlbum
  date published: 2021-04-21
  track: 忘れたいね
    type: MusicRecording
    duration: PT3M30S
    duration ms: 210491
    explicit: false
    by artist: DURDN
    in album: 忘れたいね
      type: MusicAlbum
      date published: 2021-04-21
album: Wasuretaine
  type: MusicAlbum
  date published: 2021-04-21
  track: Wasuretaine
    type: MusicRecording
    duration: PT3M30S
    duration ms: 210491
    explicit: false
    by artist: DURDN
    in album: Wasuretaine
      type: MusicAlbum
      date published: 2021-04-21
album: The Last Day
  type: MusicAlbum
  date published: 2021-05-21
  track: The Last Day
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237672
    explicit: false
    by artist: DURDN
    in album: The Last Day
      type: MusicAlbum
      date published: 2021-05-21
album: The Last Day
  type: MusicAlbum
  date published: 2021-05-21
  track: The Last Day
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237672
    explicit: false
    by artist: DURDN
    in album: The Last Day
      type: MusicAlbum
      date published: 2021-05-21
album: Boku no Yume
  type: MusicAlbum
  date published: 2021-06-16
  track: Boku no Yume
    type: MusicRecording
    duration: PT3M32S
    duration ms: 212938
    explicit: false
    by artist: DURDN
    in album: Boku no Yume
      type: MusicAlbum
      date published: 2021-06-16
album: 僕の夢
  type: MusicAlbum
  date published: 2021-06-16
  track: 僕の夢
    type: MusicRecording
    duration: PT3M32S
    duration ms: 212938
    explicit: false
    by artist: DURDN
    in album: 僕の夢
      type: MusicAlbum
      date published: 2021-06-16
album: Vacation
  type: MusicAlbum
  date published: 2021-07-21
  track: Vacation
    type: MusicRecording
    duration: PT3M1S
    duration ms: 181142
    explicit: false
    by artist: DURDN
    in album: Vacation
      type: MusicAlbum
      date published: 2021-07-21
  track: Sutetaraii
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202886
    explicit: false
    by artist: DURDN
    in album: Vacation
      type: MusicAlbum
      date published: 2021-07-21
    isrc code: TCJPN2173181
  track: Conflict
  track: Wasuretaine
  track: City Drive
album: イカしてる
album: All of You
album: LIFE
album: くすぶってばっかいられない
album: 306
album: Fizz!
album: 何年後も
album: WARUNORI
album: 年の瀬に
album: My Plan
album: apart
album: Drink!
album: TOKIDOKI
album: Runner's High
album: Regrets
album: はなにあらし
album: FAKE MOON
album: Pretense
album: Komorebi
album: Live Tour 2024 "Komorebi" at LIQUIDROOM
album: ON THE ISLAND
album: idealistic
album: WINDSDAY
album: Echo Lane
album: JellyFish
album: DURDN at Billboard Live
track: Pretense

Conflict
type: MusicRecording
duration: PT2M48S
duration ms: 168750
explicit: false
by artist: DURDN
in album: Vacation
  type: MusicAlbum
  date published: 2021-07-21
isrc code: TCJPN2050585

Wasuretaine
type: MusicRecording
duration: PT3M30S
duration ms: 210491
explicit: false
by artist: DURDN
in album: Vacation
  type: MusicAlbum
  date published: 2021-07-21
isrc code: TCJPO2140414

City Drive
type: MusicRecording
duration: PT3M18S
duration ms: 198586
explicit: false
by artist: DURDN
in album: Vacation
  type: MusicAlbum
  date published: 2021-07-21

Vacation
type: MusicAlbum
date published: 2021-07-21
track: Vacation
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181142
  explicit: false
  by artist: DURDN
  in album: Vacation
    type: MusicAlbum
    date published: 2021-07-21
track: 捨てたらいい
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202886
  explicit: false
  by artist: DURDN
  in album: Vacation
    type: MusicAlbum
    date published: 2021-07-21
track: Conflict
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168750
  explicit: false
  by artist: DURDN
  in album: Vacation
    type: MusicAlbum
    date published: 2021-07-21
track: 忘れたいね
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210491
  explicit: false
  by artist: DURDN
  in album: Vacation
    type: MusicAlbum
    date published: 2021-07-21
track: City Drive
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198586
  explicit: false
  by artist: DURDN
  in album: Vacation
    type: MusicAlbum
    date published: 2021-07-21

イカしてる
type: MusicAlbum
date published: 2021-08-25
track: イカしてる
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226556
  explicit: false
  by artist: DURDN
  in album: イカしてる
    type: MusicAlbum
    date published: 2021-08-25

All of You
type: MusicAlbum
date published: 2021-09-29
track: All of You
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232241
  explicit: false
  by artist: DURDN
  in album: All of You
    type: MusicAlbum
    date published: 2021-09-29

LIFE
type: MusicAlbum
date published: 2021-10-27
track: LIFE
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203265
  explicit: false
  by artist: DURDN
  in album: LIFE
    type: MusicAlbum
    date published: 2021-10-27
  isrc code: JPU902104286

くすぶってばっかいられない
type: MusicAlbum
date published: 2021-11-26
track: くすぶってばっかいられない
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160172
  explicit: false
  by artist: DURDN
  in album: くすぶってばっかいられない
    type: MusicAlbum
    date published: 2021-11-26

306
type: MusicAlbum
date published: 2021-12-17
track: 306
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256441
  explicit: false
  by artist: DURDN
  in album: 306
    type: MusicAlbum
    date published: 2021-12-17
  isrc code: JPU902105204
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T08:41:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe44c53917ece94d941aa3eb0558ac002c8b318b6b7d00f00c3c6af468d350f49
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1Kcg5qOarIapnIyHNdwfxu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Kcg5qOarIapnIyHNdwfxu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0xe44c53917ece94d941aa3eb0558ac002c8b318b6b7d00f00c3c6af468d350f49. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Kcg5qOarIapnIyHNdwfxu.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/1Kcg5qOarIapnIyHNdwfxu.
    date published: 2026-07-02T16:51:38Z

306
type: MusicAlbum
date published: 2022-01-21
track: イカしてる
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226556
  explicit: false
  by artist: DURDN
  in album: 306
    type: MusicAlbum
    date published: 2022-01-21
track: くすぶってばっかいられない
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160172
  explicit: false
  by artist: DURDN
  in album: 306
    type: MusicAlbum
    date published: 2022-01-21
track: 306
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256441
  explicit: false
  by artist: DURDN
  in album: 306
    type: MusicAlbum
    date published: 2022-01-21
track: LIFE
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203265
  explicit: false
  by artist: DURDN
  in album: 306
    type: MusicAlbum
    date published: 2022-01-21
track: ミアネ
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215625
  explicit: false
  by artist: DURDN
  in album: 306
    type: MusicAlbum
    date published: 2022-01-21
track: All of you - Remix
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228103
  explicit: false
  by artist: DURDN
  in album: 306
    type: MusicAlbum
    date published: 2022-01-21

Fizz!
type: MusicAlbum
date published: 2022-06-17
track: Fizz!
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210133
  explicit: false
  by artist: DURDN
  in album: Fizz!
    type: MusicAlbum
    date published: 2022-06-17

何年後も
type: MusicAlbum
date published: 2022-08-03
track: 何年後も
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203398
  explicit: false
  by artist: DURDN
  in album: 何年後も
    type: MusicAlbum
    date published: 2022-08-03

WARUNORI
type: MusicAlbum
date published: 2022-09-28
track: WARUNORI
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259956
  explicit: false
  by artist: DURDN
  in album: WARUNORI
    type: MusicAlbum
    date published: 2022-09-28

年の瀬に
type: MusicAlbum
date published: 2022-12-07
track: 年の瀬に
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175941
  explicit: false
  by artist: DURDN
  in album: 年の瀬に
    type: MusicAlbum
    date published: 2022-12-07

My Plan
type: MusicAlbum
date published: 2023-01-13
track: My Plan
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223350
  explicit: false
  by artist: DURDN
  in album: My Plan
    type: MusicAlbum
    date published: 2023-01-13

My Plan
type: MusicAlbum
date published: 2023-03-15
track: My Plan
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223000
  explicit: false
  by artist: DURDN
  in album: My Plan
    type: MusicAlbum
    date published: 2023-03-15
  isrc code: JPU902205084
track: My Plan - Lofi Remix
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217186
  explicit: false
  by artist: DURDN
  in album: My Plan
    type: MusicAlbum
    date published: 2023-03-15
  isrc code: JPU902300425

apart
type: MusicAlbum
date published: 2023-04-05
track: apart
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176166
  explicit: false
  by artist: DURDN
  in album: apart
    type: MusicAlbum
    date published: 2023-04-05

Drink!
type: MusicAlbum
date published: 2023-04-27
track: Drink!
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187862
  explicit: false
  by artist: DURDN
  in album: Drink!
    type: MusicAlbum
    date published: 2023-04-27

Drink!
type: MusicAlbum
date published: 2023-05-17
track: Drink!
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250389
  explicit: false
  by artist: DURDN
  in album: Drink!
    type: MusicAlbum
    date published: 2023-05-17

Drink!
type: MusicAlbum
date published: 2023-05-17
track: Drink!
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249798
  explicit: false
  by artist: DURDN
  in album: Drink!
    type: MusicAlbum
    date published: 2023-05-17
track: Drink!
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187862
  explicit: false
  by artist: DURDN
  in album: Drink!
    type: MusicAlbum
    date published: 2023-05-17
  isrc code: JPU902301770

TOKIDOKI
type: MusicAlbum
date published: 2023-06-28
track: TOKIDOKI
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200500
  explicit: false
  by artist: DURDN
  in album: TOKIDOKI
    type: MusicAlbum
    date published: 2023-06-28

Runner's High
type: MusicAlbum
date published: 2023-07-26
track: Runner's High
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222818
  explicit: false
  by artist: DURDN
  in album: Runner's High
    type: MusicAlbum
    date published: 2023-07-26

Regrets
type: MusicAlbum
date published: 2023-09-13
track: Regrets
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265961
  explicit: false
  by artist: DURDN
  in album: Regrets
    type: MusicAlbum
    date published: 2023-09-13

はなにあらし
type: MusicAlbum
date published: 2023-11-08
track: はなにあらし
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272319
  explicit: false
  by artist: DURDN
  in album: はなにあらし
    type: MusicAlbum
    date published: 2023-11-08

FAKE MOON
type: MusicAlbum
date published: 2024-02-28
track: FAKE MOON
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199662
  explicit: false
  by artist: DURDN
  in album: FAKE MOON
    type: MusicAlbum
    date published: 2024-02-28

Pretense
type: MusicAlbum
date published: 2024-03-27
track: Pretense
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267986
  explicit: false
  by artist: DURDN
  in album: Pretense
    type: MusicAlbum
    date published: 2024-03-27
  isrc code: JPU902400870
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T02:08:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x712af4f0ccdf62c6a564d0af356b143346bcdaa6a2a7b5ad643474ff5f6df6c7
  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/1iGilBtLO9t5Wm6hs4I7pj.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1iGilBtLO9t5Wm6hs4I7pj
  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 0x712af4f0ccdf62c6a564d0af356b143346bcdaa6a2a7b5ad643474ff5f6df6c7. 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/1iGilBtLO9t5Wm6hs4I7pj.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/1iGilBtLO9t5Wm6hs4I7pj.
    date published: 2026-06-13T17:25:41Z

Komorebi
type: MusicAlbum
date published: 2024-04-24
track: PRIDE
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206560
  explicit: false
  by artist: DURDN
  in album: Komorebi
    type: MusicAlbum
    date published: 2024-04-24
track: Alarm
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161973
  explicit: false
  by artist: DURDN
  in album: Komorebi
    type: MusicAlbum
    date published: 2024-04-24
  isrc code: JPU902400868
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T08:42:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe58cf5cff7bb2d672efb32da69cd9f7ae8f816b5345c75fc342d4e3437f74a5e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/51Ljy7A5AJ5tXwKTNLwilE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/51Ljy7A5AJ5tXwKTNLwilE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0xe58cf5cff7bb2d672efb32da69cd9f7ae8f816b5345c75fc342d4e3437f74a5e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/51Ljy7A5AJ5tXwKTNLwilE.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/51Ljy7A5AJ5tXwKTNLwilE.
    date published: 2026-07-02T16:51:38Z
track: Spaceship
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203786
  explicit: false
  by artist: DURDN
  in album: Komorebi
    type: MusicAlbum
    date published: 2024-04-24
track: Pretense
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267986
  explicit: false
  by artist: DURDN
  in album: Komorebi
    type: MusicAlbum
    date published: 2024-04-24
  isrc code: JPU902400870
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T02:08:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x712af4f0ccdf62c6a564d0af356b143346bcdaa6a2a7b5ad643474ff5f6df6c7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956772
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/68YKkJEQVZyGGnnpC1f5L6.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/68YKkJEQVZyGGnnpC1f5L6
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x712af4f0ccdf62c6a564d0af356b143346bcdaa6a2a7b5ad643474ff5f6df6c7. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/68YKkJEQVZyGGnnpC1f5L6.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/68YKkJEQVZyGGnnpC1f5L6.
    date published: 2026-07-05T10:01:46Z
track: Palm
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183893
  explicit: false
  by artist: DURDN
  in album: Komorebi
    type: MusicAlbum
    date published: 2024-04-24
  isrc code: JPU902400871
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T08:38:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x533969155137fae1553e3782d1d7ad4ca08ac41fdab4fd5e7d971d66027597ba
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0KyW9mPLwLJ3K0S4fGJ5bC.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KyW9mPLwLJ3K0S4fGJ5bC
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0x533969155137fae1553e3782d1d7ad4ca08ac41fdab4fd5e7d971d66027597ba. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0KyW9mPLwLJ3K0S4fGJ5bC.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/0KyW9mPLwLJ3K0S4fGJ5bC.
    date published: 2026-07-02T16:51:38Z
track: FAKE MOON
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200040
  explicit: false
  by artist: DURDN
  in album: Komorebi
    type: MusicAlbum
    date published: 2024-04-24
  isrc code: JPU902400163

Live Tour 2024 "Komorebi" at LIQUIDROOM
type: MusicAlbum
date published: 2024-08-28
track: Introduction -Alarm- - Live Tour 2024 "Komorebi"
  type: MusicRecording
  duration: PT2M0S
  duration ms: 120624
  explicit: false
  by artist: DURDN
  in album: Live Tour 2024 "Komorebi" at LIQUIDROOM
    type: MusicAlbum
    date published: 2024-08-28
track: Alarm - Live Tour 2024 "Komorebi"
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161125
  explicit: false
  by artist: DURDN
  in album: Live Tour 2024 "Komorebi" at LIQUIDROOM
    type: MusicAlbum
    date published: 2024-08-28
track: Spaceship - Live Tour 2024 "Komorebi"
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208250
  explicit: false
  by artist: DURDN
  in album: Live Tour 2024 "Komorebi" at LIQUIDROOM
    type: MusicAlbum
    date published: 2024-08-28
track: Pretense - Live Tour 2024 "Komorebi"
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285500
  explicit: false
  by artist: DURDN
  in album: Live Tour 2024 "Komorebi" at LIQUIDROOM
    type: MusicAlbum
    date published: 2024-08-28
track: Palm - Live Tour 2024 "Komorebi"
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207500
  explicit: false
  by artist: DURDN
  in album: Live Tour 2024 "Komorebi" at LIQUIDROOM
    type: MusicAlbum
    date published: 2024-08-28
track: FAKE MOON - Live Tour 2024 "Komorebi"
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201000
  explicit: false
  by artist: DURDN
  in album: Live Tour 2024 "Komorebi" at LIQUIDROOM
    type: MusicAlbum
    date published: 2024-08-28
track: PRIDE - Live Tour 2024 "Komorebi"
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244750
  explicit: false
  by artist: DURDN
  in album: Live Tour 2024 "Komorebi" at LIQUIDROOM
    type: MusicAlbum
    date published: 2024-08-28

ON THE ISLAND
type: MusicAlbum
date published: 2024-11-06
track: ON THE ISLAND
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157222
  explicit: false
  by artist: DURDN
  in album: ON THE ISLAND
    type: MusicAlbum
    date published: 2024-11-06
track: Study
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188423
  explicit: false
  by artist: DURDN
  in album: ON THE ISLAND
    type: MusicAlbum
    date published: 2024-11-06
track: Summer Jumbo
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173400
  explicit: false
  by artist: DURDN
  in album: ON THE ISLAND
    type: MusicAlbum
    date published: 2024-11-06
track: 恋の予感
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265312
  explicit: false
  by artist: DURDN
  in album: ON THE ISLAND
    type: MusicAlbum
    date published: 2024-11-06

idealistic
type: MusicAlbum
date published: 2025-01-29
track: idealistic
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195258
  explicit: false
  by artist: DURDN
  in album: idealistic
    type: MusicAlbum
    date published: 2025-01-29
track: Hearth Place
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282187
  explicit: false
  by artist: DURDN
  in album: idealistic
    type: MusicAlbum
    date published: 2025-01-29

WINDSDAY
type: MusicAlbum
date published: 2025-04-23
track: WINDSDAY
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185094
  explicit: false
  by artist: DURDN
  in album: WINDSDAY
    type: MusicAlbum
    date published: 2025-04-23
  isrc code: TCJPF2595816

WINDSDAY
type: MusicAlbum
date published: 2025-04-23
track: WINDSDAY
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185094
  explicit: false
  by artist: DURDN
  in album: WINDSDAY
    type: MusicAlbum
    date published: 2025-04-23

Echo Lane
type: MusicAlbum
date published: 2025-06-04
track: Echo Lane
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261000
  explicit: false
  by artist: DURDN
  in album: Echo Lane
    type: MusicAlbum
    date published: 2025-06-04

Echo Lane
type: MusicAlbum
date published: 2025-06-04
track: Echo Lane
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261000
  explicit: false
  by artist: DURDN
  in album: Echo Lane
    type: MusicAlbum
    date published: 2025-06-04

JellyFish
type: MusicAlbum
date published: 2025-08-27
track: JellyFish
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224571
  explicit: false
  by artist: DURDN
  in album: JellyFish
    type: MusicAlbum
    date published: 2025-08-27

DURDN at Billboard Live
type: MusicAlbum
date published: 2025-11-12
track: WINDSDAY
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185003
  explicit: false
  by artist: DURDN
  in album: DURDN at Billboard Live
    type: MusicAlbum
    date published: 2025-11-12
track: Vacation
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186997
  explicit: false
  by artist: DURDN
  in album: DURDN at Billboard Live
    type: MusicAlbum
    date published: 2025-11-12
track: 捨てたらいい
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216996
  explicit: false
  by artist: DURDN
  in album: DURDN at Billboard Live
    type: MusicAlbum
    date published: 2025-11-12
track: City Drive
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210856
  explicit: false
  by artist: DURDN
  in album: DURDN at Billboard Live
    type: MusicAlbum
    date published: 2025-11-12
track: 僕の夢
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214020
  explicit: false
  by artist: DURDN
  in album: DURDN at Billboard Live
    type: MusicAlbum
    date published: 2025-11-12
track: The last day
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247941
  explicit: false
  by artist: DURDN
  in album: DURDN at Billboard Live
    type: MusicAlbum
    date published: 2025-11-12
track: Echo Lane
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286808
  explicit: false
  by artist: DURDN
  in album: DURDN at Billboard Live
    type: MusicAlbum
    date published: 2025-11-12

Pretense
type: MusicRecording
duration: PT4M27S
duration ms: 267986
explicit: false
by artist: DURDN
by artist: 李浩瑋 Howard Lee
in album: Pretense
  type: MusicAlbum
  date published: 2024-03-27
isrc code: JPU902400870
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T02:08:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x712af4f0ccdf62c6a564d0af356b143346bcdaa6a2a7b5ad643474ff5f6df6c7
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/1iGilBtLO9t5Wm6hs4I7pj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1iGilBtLO9t5Wm6hs4I7pj
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 0x712af4f0ccdf62c6a564d0af356b143346bcdaa6a2a7b5ad643474ff5f6df6c7. 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/1iGilBtLO9t5Wm6hs4I7pj.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/1iGilBtLO9t5Wm6hs4I7pj.
  date published: 2026-06-13T17:25:41Z