JIN LONGGUO
type: MusicGroup
description: Jin Longguo (; ; born March 2, 1996) is a Chinese singer based in South Korea. He is best known for being a member of the South Korean project boy band JBJ, and for finishing 21st in the survival show
popularity: 10
followers: 22258
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerifyInstructions
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  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-21T10:35:31Z
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album: the.the.the
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  date published: 2017-07-31
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    by artist: JIN LONGGUO
    in album: the.the.the
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      date published: 2017-07-31
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T16:14:30Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad48b3507c2ba9d1f18942cbb598a3c4de063598b38cc807181e3f5d55fcce11. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/KRE981700004.
      date published: 2026-07-16T16:14:30Z
    audio: the.the.the
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Mode Name
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album: the.the.the
  type: MusicAlbum
  date published: 2017-07-31
album: CLOVER
  type: MusicAlbum
  date published: 2018-06-13
  track: CLOVER (feat. YOON MI RAE)
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    by artist: JIN LONGGUO
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      type: MusicAlbum
      date published: 2018-06-13
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7bc05a6bd60f21db0e50765c7c5f6a560b4eafa98f85658c03e93530892dac2. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/KRE981800012.
      date published: 2026-07-21T18:40:26Z
    audio: CLOVER (feat. YOON MI RAE)
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      additional property: Mode (Major/Minor)
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
      additional property: Valence (Positivity)
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album: Friday n Night
album: MONO DIARY
album: 我們的空間
album: Our Place
album: 扑通扑通果蔬店 (Original Television Soundtrack) Pt. 2
album: Winter Lonely
album: By My Side
album: Memories
album: Superman

Liveness
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value: 0.414

Valence (Positivity)
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value: 0.721

Loudness (dB)
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value: -4.024

Key Name
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Mode Name
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value: Minor

CLOVER
type: MusicAlbum
date published: 2018-06-13

Friday n Night
type: MusicAlbum
date published: 2018-08-30

Friday n Night
type: MusicAlbum
date published: 2018-08-30

MONO DIARY
type: MusicAlbum
date published: 2019-08-29
track: Irresistible
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  duration: PT3M20S
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  explicit: false
  by artist: JIN LONGGUO
  in album: MONO DIARY
    type: MusicAlbum
    date published: 2019-08-29
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRE981900018
  additional property: OTSTimestamp
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    value: 2026-07-05T01:12:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad79263d1bfdd8a5a247deedc8bca3dd4a3b1d24b2aaed9cb71c1e3942afee57. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/KRE981900018.
    date published: 2026-07-05T01:12:41Z
  audio: Irresistible
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 98.038
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.076
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.34
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.512
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
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      value: Major

MONO DIARY
type: MusicAlbum
date published: 2019-08-29

我們的空間
type: MusicAlbum
date published: 2021-03-20

Our Place
type: MusicAlbum
date published: 2021-07-03

扑通扑通果蔬店 (Original Television Soundtrack) Pt. 2
type: MusicAlbum
date published: 2021-10-18

Winter Lonely
type: MusicAlbum
date published: 2021-12-24

By My Side
type: MusicAlbum
date published: 2021-12-31

Memories
type: MusicAlbum
date published: 2022-02-14

Superman
type: MusicAlbum
date published: 2022-03-02