PRODUCE 101 JAPAN SEASON2
type: MusicGroup
genre: j-pop
popularity: 28
followers: 36904
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd25fb26cc95a967f2b8438e9ff562f0fd2c5b8085b305bed3ceabee9273eb46d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/123ff525-ccdc-419b-b0bd-328aa641e2ac.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/123ff525-ccdc-419b-b0bd-328aa641e2ac.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/123ff525-ccdc-419b-b0bd-328aa641e2ac
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd25fb26cc95a967f2b8438e9ff562f0fd2c5b8085b305bed3ceabee9273eb46d","name":"PRODUCE 101 JAPAN SEASON2","registered_at":"2026-06-11T12:09:21Z","symbol":"NIM0023828","token_address":"0x85230c4d1b0fe8801e9b1e7506dc500e1525c8e5","type":"artist","uuid":"123ff525-ccdc-419b-b0bd-328aa641e2ac"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd25fb26cc95a967f2b8438e9ff562f0fd2c5b8085b305bed3ceabee9273eb46d. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/123ff525-ccdc-419b-b0bd-328aa641e2ac.json and https://artists.proofprofile.net/proofs/artist/123ff525-ccdc-419b-b0bd-328aa641e2ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xd25fb26cc95a967f2b8438e9ff562f0fd2c5b8085b305bed3ceabee9273eb46d","name":"PRODUCE 101 JAPAN SEASON2","registered_at":"2026-06-11T12:09:21Z","symbol":"NIM0023828","token_address":"0x85230c4d1b0fe8801e9b1e7506dc500e1525c8e5","type":"artist","uuid":"123ff525-ccdc-419b-b0bd-328aa641e2ac"}
album: Let Me Fly
  type: MusicAlbum
  date published: 2021-03-30
album: Let Me Fly (Piano Version)
  type: MusicAlbum
  date published: 2021-04-23
  track: Let Me Fly - Piano Version
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257239
    explicit: false
    by artist: PRODUCE 101 JAPAN SEASON2
    in album: Let Me Fly (Piano Version)
      type: MusicAlbum
      date published: 2021-04-23
    genre: j-pop
    isrc code: JPN002100035
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf127e21c31ddb771baba2745123a9be70397d5999d25344e94a7bf2b21620125
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958373
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958373
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN002100035
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T06:09:33Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf127e21c31ddb771baba2745123a9be70397d5999d25344e94a7bf2b21620125. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN002100035.
      date published: 2026-07-17T06:09:33Z
    audio: Let Me Fly - Piano Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 94.969
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.606
      additional property: Energy
        type: PropertyValue
        value: 0.313
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.98
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.932
      additional property: Liveness
        type: PropertyValue
        value: 0.089
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.203
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.705
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 40 Boys 5 Concepts
  type: MusicAlbum
  date published: 2021-05-28
  track: STEP
    type: MusicRecording
    duration: PT3M12S
    duration ms: 192200
    explicit: false
    by artist: PRODUCE 101 JAPAN SEASON2
    in album: 40 Boys 5 Concepts
      type: MusicAlbum
      date published: 2021-05-28
    genre: j-pop
    isrc code: JPN002100065
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T23:26:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1af162cbeb8014dbbb49dfbb8c72ef18269a6b19480bcbaeb1882b44b0db4188
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958079
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958079
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN002100065
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T00:21:05Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1af162cbeb8014dbbb49dfbb8c72ef18269a6b19480bcbaeb1882b44b0db4188. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN002100065.
      date published: 2026-07-15T00:21:05Z
    audio: STEP
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.957
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.654
      additional property: Energy
        type: PropertyValue
        value: 0.774
      additional property: Speechiness
        type: PropertyValue
        value: 0.064
      additional property: Acousticness
        type: PropertyValue
        value: 0.053
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: FINAL
album: PRODUCE 101 JAPAN SEASON2

Liveness
type: PropertyValue
value: 0.175

Valence (Positivity)
type: PropertyValue
value: 0.658

Loudness (dB)
type: PropertyValue
value: -4.155

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

FINAL
type: MusicAlbum
date published: 2021-06-14
track: ONE
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221920
  explicit: false
  by artist: PRODUCE 101 JAPAN SEASON2
  in album: FINAL
    type: MusicAlbum
    date published: 2021-06-14
  genre: j-pop
  isrc code: JPN002100094
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T20:42:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe7e148b8063d92b90b28b0d8023a7cadc5a764dc84ce80cc1142d3fe8c970ff2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957756
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957756
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN002100094
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T21:36:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e148b8063d92b90b28b0d8023a7cadc5a764dc84ce80cc1142d3fe8c970ff2. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN002100094.
    date published: 2026-07-12T21:36:27Z
  audio: ONE
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 147.988
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.515
    additional property: Energy
      type: PropertyValue
      value: 0.943
    additional property: Speechiness
      type: PropertyValue
      value: 0.066
    additional property: Acousticness
      type: PropertyValue
      value: 0.018
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.17
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.563
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.813
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

PRODUCE 101 JAPAN SEASON2
type: MusicAlbum
date published: 2021-07-21
track: Let Me Fly~その未来へ~ - Piano Version
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257239
  explicit: false
  by artist: PRODUCE 101 JAPAN SEASON2
  in album: PRODUCE 101 JAPAN SEASON2
    type: MusicAlbum
    date published: 2021-07-21
  genre: j-pop
  isrc code: JPN002100035
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T20:38:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf127e21c31ddb771baba2745123a9be70397d5999d25344e94a7bf2b21620125
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957752
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957752
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN002100035
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T20:53:32Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf127e21c31ddb771baba2745123a9be70397d5999d25344e94a7bf2b21620125. Chain 2 (Bitcoin): anchored in block 957752 (2026-07-12T20:53:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN002100035.
    date published: 2026-07-12T20:53:32Z
  audio: Let Me Fly~その未来へ~ - Piano Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.969
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.606
    additional property: Energy
      type: PropertyValue
      value: 0.313
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.98
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.932
    additional property: Liveness
      type: PropertyValue
      value: 0.089
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.203
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.705
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor