1set
type: MusicGroup
popularity: 26
followers: 8513
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67e7bb602669e89209e60c01d460d852161874c9ef67961c1e42510f400e89b7
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/386f7e66-a6e9-4eee-b8c4-36aca09863ce.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/386f7e66-a6e9-4eee-b8c4-36aca09863ce.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/386f7e66-a6e9-4eee-b8c4-36aca09863ce
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 → 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 0x67e7bb602669e89209e60c01d460d852161874c9ef67961c1e42510f400e89b7. 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/386f7e66-a6e9-4eee-b8c4-36aca09863ce.json and https://artists.proofprofile.net/proofs/artist/386f7e66-a6e9-4eee-b8c4-36aca09863ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Tonight
  type: MusicAlbum
  date published: 2014-04-09
album: Tonight
  type: MusicAlbum
  date published: 2014-04-09
album: 1set 1st MINI 'I Wanna'
  type: MusicAlbum
  date published: 2015-05-15
album: I Wanna
  type: MusicAlbum
  date published: 2015-05-15
album: I Wanna
  type: MusicAlbum
  date published: 2015-05-15
album: Love is Over - 오늘, 우린 끝났어
  type: MusicAlbum
  date published: 2016-09-26
album: 케미
  type: MusicAlbum
  date published: 2017-01-25
album: Sisters-in-law, Pt. 3 (Original Soundtrack)
  type: MusicAlbum
  date published: 2017-06-28
  track: Happy Day
    type: MusicRecording
    duration: PT2M46S
    duration ms: 166374
    explicit: false
    by artist: 1set
    in album: Sisters-in-law, Pt. 3 (Original Soundtrack)
      type: MusicAlbum
      date published: 2017-06-28
    isrc code: KRNAR1704587
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T19:43:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9e13ca2f6a584f81b845fde52acdcfdce7e23df26ae002de71fee6197f45b6c2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRNAR1704587
    additional property: OTSTimestamp
      type: PropertyValue
      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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e13ca2f6a584f81b845fde52acdcfdce7e23df26ae002de71fee6197f45b6c2. 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/KRNAR1704587.
      date published: 2026-07-05T01:12:41Z
    audio: Happy Day
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.215
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.656
      additional property: Energy
        type: PropertyValue
        value: 0.631
      additional property: Speechiness
        type: PropertyValue
        value: 0.09
      additional property: Acousticness
        type: PropertyValue
        value: 0.554
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.198
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.548
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.268
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Tonight
  type: MusicAlbum
  date published: 2017-07-29
album: RE:SET
  type: MusicAlbum
  date published: 2017-08-27
album: RE:SET
  type: MusicAlbum
  date published: 2017-08-27
album: RE:SET
  type: MusicAlbum
  date published: 2017-08-27
album: RE:SET
  type: MusicAlbum
  date published: 2017-08-27
album: RE:SET
  type: MusicAlbum
  date published: 2017-08-27
album: Tell Me
  type: MusicAlbum
  date published: 2017-10-19
album: Tell Me
  type: MusicAlbum
  date published: 2017-10-19
album: Tell Me
  type: MusicAlbum
  date published: 2017-10-19
album: Tell Me
  type: MusicAlbum
  date published: 2017-10-19
album: Tell Me
  type: MusicAlbum
  date published: 2017-10-19
album: This Christmas
  type: MusicAlbum
  date published: 2017-12-10
album: This Christmas
  type: MusicAlbum
  date published: 2017-12-10
album: This Christmas
  type: MusicAlbum
  date published: 2017-12-10
album: My Beating Heart
  type: MusicAlbum
  date published: 2018-09-20
album: 24/7
  type: MusicAlbum
  date published: 2018-10-25
album: I Wish
  type: MusicAlbum
  date published: 2020-04-20
album: I Wish
  type: MusicAlbum
  date published: 2020-04-20
album: I Wish
  type: MusicAlbum
  date published: 2020-04-20
album: STAY
album: laputa
album: Ex
album: Summer Drive
album: Christmas Again
album: Maybe
album: A Profitable Cage OST Part.5 (Soundtrack)
album: 수지맞은 우리 (Original Television Soundtrack), Pt. 5
album: gift
album: Winter love
album: Love Letter

STAY
type: MusicAlbum
date published: 2020-07-10

STAY
type: MusicAlbum
date published: 2020-07-10

STAY
type: MusicAlbum
date published: 2020-07-10

laputa
type: MusicAlbum
date published: 2020-08-28

laputa
type: MusicAlbum
date published: 2020-08-28

laputa
type: MusicAlbum
date published: 2020-08-28
track: laputa
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182573
  explicit: false
  by artist: 1set
  in album: laputa
    type: MusicAlbum
    date published: 2020-08-28
  isrc code: KRB472001073
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T20:35:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x48a547dd95d766fa6c78a6c943134fe83afce9420928539a4b16c315761f52b6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956397
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRB472001073
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T21:02:00Z
  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 0x48a547dd95d766fa6c78a6c943134fe83afce9420928539a4b16c315761f52b6. Chain 2 (Bitcoin): anchored in block 956397 (2026-07-02T21:02:00Z), 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/KRB472001073.
    date published: 2026-07-02T21:02:00Z
  audio: laputa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 91.757
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.6
    additional property: Energy
      type: PropertyValue
      value: 0.589
    additional property: Speechiness
      type: PropertyValue
      value: 0.06
    additional property: Acousticness
      type: PropertyValue
      value: 0.533
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.549
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.747
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Ex
type: MusicAlbum
date published: 2020-11-09

Ex
type: MusicAlbum
date published: 2020-11-09

Ex
type: MusicAlbum
date published: 2020-11-09

24/7
type: MusicAlbum
date published: 2021-04-09

My Beating Heart
type: MusicAlbum
date published: 2021-04-09

Summer Drive
type: MusicAlbum
date published: 2021-07-14
track: Summer Drive
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199439
  explicit: false
  by artist: 1set
  in album: Summer Drive
    type: MusicAlbum
    date published: 2021-07-14
  isrc code: KRD822100002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T19:39:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8bd2940c993c6cef1d12691c621c9ea1b79ceca20483dc19abccb234cc015deb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRD822100002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0x8bd2940c993c6cef1d12691c621c9ea1b79ceca20483dc19abccb234cc015deb. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/KRD822100002.
    date published: 2026-07-02T16:51:38Z
  audio: Summer Drive
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.994
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.659
    additional property: Energy
      type: PropertyValue
      value: 0.557
    additional property: Speechiness
      type: PropertyValue
      value: 0.069
    additional property: Acousticness
      type: PropertyValue
      value: 0.568
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.545
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.718
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Summer Drive
type: MusicAlbum
date published: 2021-07-14

Christmas Again
type: MusicAlbum
date published: 2021-12-15
track: Christmas Again
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226493
  explicit: false
  by artist: 1set
  in album: Christmas Again
    type: MusicAlbum
    date published: 2021-12-15
  isrc code: KRMIM2177268
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T02:35:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6908383b4d196e935a7470de5dea84bb9e7fb731b2f385965c97a1f57d3a0225
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRMIM2177268
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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 0x6908383b4d196e935a7470de5dea84bb9e7fb731b2f385965c97a1f57d3a0225. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/KRMIM2177268.
    date published: 2026-07-04T11:19:20Z
  audio: Christmas Again
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.968
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.633
    additional property: Energy
      type: PropertyValue
      value: 0.599
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.653
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.149
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.475
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.305
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Christmas Again
type: MusicAlbum
date published: 2021-12-15

Maybe
type: MusicAlbum
date published: 2023-05-21

A Profitable Cage OST Part.5 (Soundtrack)
type: MusicAlbum
date published: 2024-04-22

수지맞은 우리 (Original Television Soundtrack), Pt. 5
type: MusicAlbum
date published: 2024-04-22

gift
type: MusicAlbum
date published: 2024-11-16

Winter love
type: MusicAlbum
date published: 2024-12-06

Love Letter
type: MusicAlbum
date published: 2025-05-05