Unchan
type: MusicGroup
popularity: 16
followers: 1248
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c75f11943834ba8d1ca98c2f7cba76503525c63878a3243abad41a50c691600
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953777
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953777
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce10a50e-acf6-43b1-87bd-372352c6c1f8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce10a50e-acf6-43b1-87bd-372352c6c1f8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ce10a50e-acf6-43b1-87bd-372352c6c1f8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:52:51Z
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 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 0x0c75f11943834ba8d1ca98c2f7cba76503525c63878a3243abad41a50c691600. Chain 2 (Bitcoin): anchored in block 953777 (2026-06-15T11:52:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ce10a50e-acf6-43b1-87bd-372352c6c1f8.json and https://artists.proofprofile.net/proofs/artist/ce10a50e-acf6-43b1-87bd-372352c6c1f8.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T11:52:51Z
album: Empty
  type: MusicAlbum
  date published: 2021-06-14
album: Dear
  type: MusicAlbum
  date published: 2021-10-20
album: What I Say to Myself
  type: MusicAlbum
  date published: 2021-11-30
album: A Fish Out Of Water
  type: MusicAlbum
  date published: 2022-01-03
album: Find the Light
  type: MusicAlbum
  date published: 2022-02-06
  track: Find the Light
    type: MusicRecording
    duration: PT3M20S
    duration ms: 200246
    explicit: false
    by artist: Unchan
    in album: Find the Light
      type: MusicAlbum
      date published: 2022-02-06
    isrc code: KSA012144640
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T14:51:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1485acc685f8a717c67ac0d63055375a889fc8bee58ef4c1af80ad8f03ff9b1e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958568
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958568
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012144640
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T15:23:47Z
    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 0x1485acc685f8a717c67ac0d63055375a889fc8bee58ef4c1af80ad8f03ff9b1e. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012144640 — a six-check JSON result.
      date published: 2026-07-18T15:23:47Z
    audio: Find the Light
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.999
      additional property: Musical Key
        type: PropertyValue
        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: 0.791
      additional property: Energy
        type: PropertyValue
        value: 0.528
      additional property: Speechiness
        type: PropertyValue
        value: 0.068
      additional property: Acousticness
        type: PropertyValue
        value: 0.483
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.081
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.752
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.651
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Diary
  type: MusicAlbum
  date published: 2022-04-16
album: Mirage
  type: MusicAlbum
  date published: 2022-05-07
album: Blue Bird
  type: MusicAlbum
  date published: 2022-10-18
album: Cloud
  type: MusicAlbum
  date published: 2023-02-22
album: Umbrella
  type: MusicAlbum
  date published: 2023-05-20
album: Surprise
  type: MusicAlbum
  date published: 2023-06-30
album: Pebbles
  type: MusicAlbum
  date published: 2023-07-28
album: Star
  type: MusicAlbum
  date published: 2023-08-25
album: Tree
  type: MusicAlbum
  date published: 2023-09-22
album: To you
  type: MusicAlbum
  date published: 2023-10-27
album: Style
  type: MusicAlbum
  date published: 2023-12-27
album: All of my universe
  type: MusicAlbum
  date published: 2024-06-25
album: For you
  type: MusicAlbum
  date published: 2024-09-10