렉스
type: MusicGroup
popularity: 7
followers: 782
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ef0aaf37e485f45b5e46e67a5fcec7932a7396d1c71d6d69e8bd95d17529110
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b513c0eb-3c90-400d-8d27-834c0e62ea02.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b513c0eb-3c90-400d-8d27-834c0e62ea02.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b513c0eb-3c90-400d-8d27-834c0e62ea02
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1ef0aaf37e485f45b5e46e67a5fcec7932a7396d1c71d6d69e8bd95d17529110","name":"렉스","registered_at":"2026-06-20T14:29:55Z","symbol":"NIM1631759","token_address":"0x203b15e89386e7c8896fd89aa2ecea79cb3677dd","type":"artist","uuid":"b513c0eb-3c90-400d-8d27-834c0e62ea02"}
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 0x1ef0aaf37e485f45b5e46e67a5fcec7932a7396d1c71d6d69e8bd95d17529110. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b513c0eb-3c90-400d-8d27-834c0e62ea02.json and https://artists.proofprofile.net/proofs/artist/b513c0eb-3c90-400d-8d27-834c0e62ea02.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x1ef0aaf37e485f45b5e46e67a5fcec7932a7396d1c71d6d69e8bd95d17529110","name":"렉스","registered_at":"2026-06-20T14:29:55Z","symbol":"NIM1631759","token_address":"0x203b15e89386e7c8896fd89aa2ecea79cb3677dd","type":"artist","uuid":"b513c0eb-3c90-400d-8d27-834c0e62ea02"}
album: 10&going - SIP
  type: MusicAlbum
  date published: 2021-01-11
album: You Make Me Dance (Original Web Drama Soundtrack, Pt. 1)
  type: MusicAlbum
  date published: 2021-02-26
  track: I Want To Love You
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205826
    explicit: false
    by artist: 렉스
    in album: You Make Me Dance (Original Web Drama Soundtrack, Pt. 1)
      type: MusicAlbum
      date published: 2021-02-26
    isrc code: KRMIM2106197
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T22:12:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x47434604f0afccd86fba4265fed49e4fde13ad4a5da4a3969dbac877b5e71644
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957766
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957766
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRMIM2106197
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T22:25:04Z
    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 0x47434604f0afccd86fba4265fed49e4fde13ad4a5da4a3969dbac877b5e71644. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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/KRMIM2106197.
      date published: 2026-07-12T22:25:04Z
    audio: I Want To Love You
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 68.192
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.419
      additional property: Energy
        type: PropertyValue
        value: 0.454
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.542
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.137
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.172
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.408
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Starry Night
  type: MusicAlbum
  date published: 2025-01-02
album: 다시, 안녕
  type: MusicAlbum
  date published: 2025-05-02
  track: 다시, 안녕
    type: MusicRecording
    duration: PT2M46S
    duration ms: 166253
    explicit: false
    by artist: 렉스
    in album: 다시, 안녕
      type: MusicAlbum
      date published: 2025-05-02
    isrc code: KSA012387084
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T07:45:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1105b4f63c51749b10c5cc0742844c9ed8ec54fa735e4d9baca124157b560c30
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956776
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956776
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012387084
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:59:37Z
    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 0x1105b4f63c51749b10c5cc0742844c9ed8ec54fa735e4d9baca124157b560c30. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/KSA012387084.
      date published: 2026-07-05T10:59:37Z
    audio: 다시, 안녕
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.035
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.699
      additional property: Energy
        type: PropertyValue
        value: 0.363
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.756
      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: Let Me Go

Liveness
type: PropertyValue
value: 0.105

Valence (Positivity)
type: PropertyValue
value: 0.301

Loudness (dB)
type: PropertyValue
value: -8.741

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Let Me Go
type: MusicAlbum
date published: 2025-06-01
track: Let Me Go
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188786
  explicit: false
  by artist: 렉스
  in album: Let Me Go
    type: MusicAlbum
    date published: 2025-06-01
  isrc code: KSA012391022
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T10:02:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x444c7aeaff505bf09f69a17ecab71c98667f10e9f6f218d3c5fb01c37c5bfe9a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012391022
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  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 0x444c7aeaff505bf09f69a17ecab71c98667f10e9f6f218d3c5fb01c37c5bfe9a. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/KSA012391022.
    date published: 2026-07-03T19:59:51Z
  audio: Let Me Go
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 118.974
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.818
    additional property: Energy
      type: PropertyValue
      value: 0.721
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.586
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.09
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.768
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.374
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor