Kate Back
type: MusicGroup
genre: lounge
popularity: 6
followers: 324
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8438c6699dacfba8b89c8ad7451a6ec23c83fc1964d509901cca7c1eb4e176b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bd24e76a-c051-4dc9-bb8f-ade848ff3aba.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bd24e76a-c051-4dc9-bb8f-ade848ff3aba.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bd24e76a-c051-4dc9-bb8f-ade848ff3aba
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8438c6699dacfba8b89c8ad7451a6ec23c83fc1964d509901cca7c1eb4e176b8","name":"Kate Back","registered_at":"2026-06-20T17:28:03Z","symbol":"NIM1669814","token_address":"0x1a6183f334ea1eabad3fad5e18989fa2bcaf4bca","type":"artist","uuid":"bd24e76a-c051-4dc9-bb8f-ade848ff3aba"}
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 0x8438c6699dacfba8b89c8ad7451a6ec23c83fc1964d509901cca7c1eb4e176b8. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bd24e76a-c051-4dc9-bb8f-ade848ff3aba.json and https://artists.proofprofile.net/proofs/artist/bd24e76a-c051-4dc9-bb8f-ade848ff3aba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:10:41Z
  text: {"copyright_id":"0x8438c6699dacfba8b89c8ad7451a6ec23c83fc1964d509901cca7c1eb4e176b8","name":"Kate Back","registered_at":"2026-06-20T17:28:03Z","symbol":"NIM1669814","token_address":"0x1a6183f334ea1eabad3fad5e18989fa2bcaf4bca","type":"artist","uuid":"bd24e76a-c051-4dc9-bb8f-ade848ff3aba"}
album: First Day Chill
  type: MusicAlbum
  date published: 2018-01-22
album: Futuristic Realset
  type: MusicAlbum
  date published: 2020-03-21
album: Forest Realset
  type: MusicAlbum
  date published: 2020-10-17
  track: This Is Time
    type: MusicRecording
    duration: PT2M20S
    duration ms: 140613
    explicit: false
    by artist: Kate Back
    in album: Forest Realset
      type: MusicAlbum
      date published: 2020-10-17
    genre: lounge
    isrc code: ITO172000392
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T04:54:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x79e9ba43a3bd7d8aab565ee03c54b7a2f04eee88e411847fde775ce9516c9bb2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958971
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958971
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITO172000392
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T05:04:56Z
    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 0x79e9ba43a3bd7d8aab565ee03c54b7a2f04eee88e411847fde775ce9516c9bb2. Chain 2 (Bitcoin): anchored in block 958971 (2026-07-21T05:04:56Z), 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/ITO172000392.
      date published: 2026-07-21T05:04:56Z
    audio: This Is Time
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.021
      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: 0.7
      additional property: Energy
        type: PropertyValue
        value: 0.64
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.162
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.48
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.366
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.466
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Soul
  type: MusicAlbum
  date published: 2024-10-25