12DAL
type: MusicGroup
genre: k-ballad
popularity: 5
followers: 680
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71c915ab7a7717c2ac7f432f6323c1634b283e478c4f59336cb70cb93ad59263. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a22217e7-ba9f-44e9-9748-17658b51e53c.json and https://artists.proofprofile.net/proofs/artist/a22217e7-ba9f-44e9-9748-17658b51e53c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
album: 첫 번째 달
  type: MusicAlbum
  date published: 2014-08-11
album: A Second
  type: MusicAlbum
  date published: 2018-08-08
album: A Second
  type: MusicAlbum
  date published: 2018-08-08
album: A Second
  type: MusicAlbum
  date published: 2018-08-08
album: Day Off
  type: MusicAlbum
  date published: 2018-09-09
album: Day Off
  type: MusicAlbum
  date published: 2018-09-09
album: Day Off
  type: MusicAlbum
  date published: 2018-09-09
album: Telepathy
  type: MusicAlbum
  date published: 2018-11-11
album: Telepathy
  type: MusicAlbum
  date published: 2018-11-11
album: 영하17도
  type: MusicAlbum
  date published: 2019-01-15
album: Fall In Love At Night
  type: MusicAlbum
  date published: 2019-02-12
album: Fall In Love At Night
  type: MusicAlbum
  date published: 2019-02-12
album: 밤에 반해
  type: MusicAlbum
  date published: 2019-02-12
album: Gangnam Scandal Pt. 4 (Original Television Soundtrack)
  type: MusicAlbum
  date published: 2019-02-15
album: Kangnam Scanda OST Part.4
  type: MusicAlbum
  date published: 2019-02-15
album: 무슨 봄이야
  type: MusicAlbum
  date published: 2019-03-12
album: What The Spring
  type: MusicAlbum
  date published: 2019-03-12
album: 좋아요 안 누를 거야
  type: MusicAlbum
  date published: 2019-04-12
album: 좋아요 안 누를 거야 Thumbs Up
  type: MusicAlbum
  date published: 2019-04-12
album: Don't Care
  type: MusicAlbum
  date published: 2019-05-30
album: Don't Care
  type: MusicAlbum
  date published: 2019-05-30
album: Perfume
  type: MusicAlbum
  date published: 2019-09-18
album: Perfume
  type: MusicAlbum
  date published: 2019-09-18
album: 9th.twenty
  type: MusicAlbum
  date published: 2019-11-13
album: 29
  type: MusicAlbum
  date published: 2019-11-13
album: 아홉 번째 스무 살 29(Twenty-Nine)
  type: MusicAlbum
  date published: 2019-11-13
album: 나는 여전해, 너는 없지만 Still The Same Without You
  type: MusicAlbum
  date published: 2019-12-12
album: Still The Same Without You
  type: MusicAlbum
  date published: 2019-12-12
album: Still The Same Without You
  type: MusicAlbum
  date published: 2019-12-12
album: Selection: The War Between Women (Original Television Soundtrack, Pt. 5)
  type: MusicAlbum
  date published: 2020-01-11
album: Mr. Nobody
  type: MusicAlbum
  date published: 2020-02-12
album: Mr. Nobody
  type: MusicAlbum
  date published: 2020-02-12
album: Mr. Nobody
  type: MusicAlbum
  date published: 2020-02-12
album: 오늘부터 내 모든 날 For All Of My Days
  type: MusicAlbum
  date published: 2020-03-12
album: 오늘부터 내 모든 날
  type: MusicAlbum
  date published: 2020-03-12
album: 그저 그런 날 Ordinary day
  type: MusicAlbum
  date published: 2020-04-18
album: 그저 그런 날
  type: MusicAlbum
  date published: 2020-04-18
album: 빨강 네일
  type: MusicAlbum
  date published: 2020-05-09
album: 노래
  type: MusicAlbum
  date published: 2020-06-17
album: 노래 Sing
  type: MusicAlbum
  date published: 2020-06-18
album: Can You Smile
  type: MusicAlbum
  date published: 2020-07-14
album: Can You Smile
  type: MusicAlbum
  date published: 2020-07-14
album: Can You Smile
  type: MusicAlbum
  date published: 2020-07-14
album: 친구에게 Dear Friend
  type: MusicAlbum
  date published: 2020-08-11
album: Dear Friend
  type: MusicAlbum
  date published: 2020-08-11
album: What Shall I Do?
  type: MusicAlbum
  date published: 2020-09-17
album: What Shall I Do?
  type: MusicAlbum
  date published: 2020-09-17
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    type: MusicRecording
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    in album: What Shall I Do?
      type: MusicAlbum
      date published: 2020-09-17
    genre: k-ballad
    isrc code: KRF592000038
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    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: What Shall I Do?
album: 그때의 우리는 사라졌어
album: No Longer Us
album: Dance With Me
album: 나에게 말해요
album: Talk to me
album: Light Up
album: Blind
album: Phoenix 2020 (Original Television Soundtrack, Pt. 10)

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956551

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRF592000038

OTSTimestamp
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value: 2026-07-03T21:18:05Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d7429880f9b6497fa30d57320b61c53284b51377847138ac690ce3d32288515. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/KRF592000038.
date published: 2026-07-03T21:18:05Z

What Shall I Do?
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additional property: Tempo (BPM)
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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  value: 4
additional property: Danceability
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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  value: 0
additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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  value: C
additional property: Mode Name
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그때의 우리는 사라졌어
type: MusicAlbum
date published: 2020-10-20

No Longer Us
type: MusicAlbum
date published: 2020-10-20

Dance With Me
type: MusicAlbum
date published: 2020-12-04

나에게 말해요
type: MusicAlbum
date published: 2021-01-19

Talk to me
type: MusicAlbum
date published: 2021-01-19

Light Up
type: MusicAlbum
date published: 2021-01-20

Light Up
type: MusicAlbum
date published: 2021-01-20

Blind
type: MusicAlbum
date published: 2021-02-16

Phoenix 2020 (Original Television Soundtrack, Pt. 10)
type: MusicAlbum
date published: 2021-02-23