Blue Mangtto
type: MusicGroup
popularity: 11
followers: 698
additional property: CopyrightID
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: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 → 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 0x61bddf1a6ea0d6f26ad0a13c1266cd318dc3887518f339aba9701f6626c584a0. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4afb18d7-24eb-46ec-a5d0-43c877a89f47.json and https://artists.proofprofile.net/proofs/artist/4afb18d7-24eb-46ec-a5d0-43c877a89f47.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
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album: 사랑얘기
  type: MusicAlbum
  date published: 2015-03-04
album: 봄날의 향기
  type: MusicAlbum
  date published: 2015-05-13
album: 미생
  type: MusicAlbum
  date published: 2015-06-04
album: 백마 탄 왕자님
  type: MusicAlbum
  date published: 2015-08-21
album: 백마 탄 왕자님
  type: MusicAlbum
  date published: 2015-08-21
album: 사랑하고 있어요
  type: MusicAlbum
  date published: 2015-09-21
album: 비몽사몽
  type: MusicAlbum
  date published: 2015-10-06
album: Twenty, And Three
  type: MusicAlbum
  date published: 2016-06-16
album: Pit a pat
  type: MusicAlbum
  date published: 2016-08-29
album: I'll Walk With You Just For One Day
  type: MusicAlbum
  date published: 2017-03-22
album: 오늘 하루만 나와 걸어줄래요
  type: MusicAlbum
  date published: 2017-03-22
album: I'm Returning To School
  type: MusicAlbum
  date published: 2017-09-08
album: Rooftop Comfort
  type: MusicAlbum
  date published: 2017-12-29
album: Rooftop Comfort
  type: MusicAlbum
  date published: 2017-12-29
album: 01 Little Pieces: Pianissimo
  type: MusicAlbum
  date published: 2018-04-22
album: 01 little Pieces: Pianissimo
  type: MusicAlbum
  date published: 2018-04-22
album: Without Knowing
  type: MusicAlbum
  date published: 2018-09-19
album: Without Knowing
  type: MusicAlbum
  date published: 2018-09-19
album: Don′t Get Confused
  type: MusicAlbum
  date published: 2019-04-05
album: Don't Get Confused
  type: MusicAlbum
  date published: 2019-04-05
album: I'm Going Crazy
  type: MusicAlbum
  date published: 2019-05-10
album: I'm Going Crazy
  type: MusicAlbum
  date published: 2019-05-10
album: If You Wonder (Feat. J.Yung)
  type: MusicAlbum
  date published: 2019-08-14
album: If You Wonder (feat. J.Yung)
  type: MusicAlbum
  date published: 2019-08-14
album: Nine Years Old
  type: MusicAlbum
  date published: 2020-05-05
album: Nine Years Old
  type: MusicAlbum
  date published: 2020-05-05
album: I'm Afraid, Vol. 1
  type: MusicAlbum
  date published: 2020-11-14
album: I'm Afraid, Vol. 1
  type: MusicAlbum
  date published: 2020-11-14
album: 02 little pieces: cantabile
  type: MusicAlbum
  date published: 2021-05-11
album: 02 little pieces: cantabile
  type: MusicAlbum
  date published: 2021-05-11
album: Love Interference 2022 (Original Television Soundtrack), Pt.2
  type: MusicAlbum
  date published: 2022-03-07
  track: OH NONONO
    type: MusicRecording
    duration: PT3M1S
    duration ms: 181680
    explicit: false
    by artist: Blue Mangtto
    in album: Love Interference 2022 (Original Television Soundtrack), Pt.2
      type: MusicAlbum
      date published: 2022-03-07
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    additional property: CopyrightStatus
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    additional property: OTSTimestamp
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      value: 2026-07-15T20:32:27Z
    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 0x362ebb52b5481663489742060ad860c9dff6c5d9617d72a5e706c922a3461372. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/KRMIM2207422.
      date published: 2026-07-15T20:32:27Z
    audio: OH NONONO
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.074
      additional property: Musical Key
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        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: 0.701
      additional property: Energy
        type: PropertyValue
        value: 0.645
      additional property: Speechiness
        type: PropertyValue
        value: 0.05
      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Will you be my star?, Vol. 2
album: if let it first snow again
album: Spring Breeze
album: Honey Sleep with You
album: Let Me Tell You

Valence (Positivity)
type: PropertyValue
value: 0.557

Loudness (dB)
type: PropertyValue
value: -5.151

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

Will you be my star?, Vol. 2
type: MusicAlbum
date published: 2022-10-24

if let it first snow again
type: MusicAlbum
date published: 2022-12-11

Spring Breeze
type: MusicAlbum
date published: 2025-04-06

Honey Sleep with You
type: MusicAlbum
date published: 2025-05-10

Let Me Tell You
type: MusicAlbum
date published: 2025-10-03