UJoo Ham
type: MusicGroup
genre: k-ballad
popularity: 2
followers: 66
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7941271fb8b131426127ee2b18b59731d80e0731ad1612a4ed4c5eca3675a99a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7365fb7b-8e1b-42ec-864b-d4dc0e93b2df.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7365fb7b-8e1b-42ec-864b-d4dc0e93b2df.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7365fb7b-8e1b-42ec-864b-d4dc0e93b2df
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7941271fb8b131426127ee2b18b59731d80e0731ad1612a4ed4c5eca3675a99a","name":"UJoo Ham","registered_at":"2026-06-17T05:54:52Z","symbol":"NIM1301748","token_address":"0xd223ddba22381ffd72e991c36a3695dc9d930547","type":"artist","uuid":"7365fb7b-8e1b-42ec-864b-d4dc0e93b2df"}
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 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 0x7941271fb8b131426127ee2b18b59731d80e0731ad1612a4ed4c5eca3675a99a. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7365fb7b-8e1b-42ec-864b-d4dc0e93b2df.json and https://artists.proofprofile.net/proofs/artist/7365fb7b-8e1b-42ec-864b-d4dc0e93b2df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x7941271fb8b131426127ee2b18b59731d80e0731ad1612a4ed4c5eca3675a99a","name":"UJoo Ham","registered_at":"2026-06-17T05:54:52Z","symbol":"NIM1301748","token_address":"0xd223ddba22381ffd72e991c36a3695dc9d930547","type":"artist","uuid":"7365fb7b-8e1b-42ec-864b-d4dc0e93b2df"}
album: 날 떠나지마
  type: MusicAlbum
  date published: 2018-08-13
  track: 날 떠나지마
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180980
    explicit: false
    by artist: UJoo Ham
    in album: 날 떠나지마
      type: MusicAlbum
      date published: 2018-08-13
    genre: k-ballad
    isrc code: KRZ291820528
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-29T22:39:51+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9ed44385d533fef42b8b1c251bb3c35b13714de7e82f656e47ce497530e8ba7f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960161
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960161
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRZ291820528
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-29T22:51:26Z
    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 0x9ed44385d533fef42b8b1c251bb3c35b13714de7e82f656e47ce497530e8ba7f. Chain 2 (Bitcoin): anchored in block 960161 (2026-07-29T22:51:26Z), 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/KRZ291820528.
      date published: 2026-07-29T22:51:26Z
    audio: 날 떠나지마
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.734
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.504
      additional property: Energy
        type: PropertyValue
        value: 0.503
      additional property: Speechiness
        type: PropertyValue
        value: 0.166
      additional property: Acousticness
        type: PropertyValue
        value: 0.612
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.105
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.592
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.445
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Come get me (Prod. by Gray)
  type: MusicAlbum
  date published: 2020-04-15
album: One day
  type: MusicAlbum
  date published: 2020-07-31
album: Nothing but Rain
  type: MusicAlbum
  date published: 2020-10-04
album: Tears All Over
  type: MusicAlbum
  date published: 2020-12-20
album: Love+++
  type: MusicAlbum
  date published: 2021-02-14
album: Stabbed
  type: MusicAlbum
  date published: 2021-04-17