Jac Coetzee
type: MusicGroup
popularity: 4
followers: 71
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe348c3397a16a42db0cd99fcff375f8c58c55d258f11d8ac41bb552cfa1225d1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e70c03a3-1eed-4aa7-bab8-36bfe3619b23.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e70c03a3-1eed-4aa7-bab8-36bfe3619b23.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e70c03a3-1eed-4aa7-bab8-36bfe3619b23
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe348c3397a16a42db0cd99fcff375f8c58c55d258f11d8ac41bb552cfa1225d1","name":"Jac Coetzee","registered_at":"2026-06-21T09:07:07Z","symbol":"NIM1880262","token_address":"0xfb4a16bf45dfb852d989e72e37bec5380f6cf632","type":"artist","uuid":"e70c03a3-1eed-4aa7-bab8-36bfe3619b23"}
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 0xe348c3397a16a42db0cd99fcff375f8c58c55d258f11d8ac41bb552cfa1225d1. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e70c03a3-1eed-4aa7-bab8-36bfe3619b23.json and https://artists.proofprofile.net/proofs/artist/e70c03a3-1eed-4aa7-bab8-36bfe3619b23.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0xe348c3397a16a42db0cd99fcff375f8c58c55d258f11d8ac41bb552cfa1225d1","name":"Jac Coetzee","registered_at":"2026-06-21T09:07:07Z","symbol":"NIM1880262","token_address":"0xfb4a16bf45dfb852d989e72e37bec5380f6cf632","type":"artist","uuid":"e70c03a3-1eed-4aa7-bab8-36bfe3619b23"}
album: Something in the orange (Zack Bryan cover)
  type: MusicAlbum
  date published: 2024-11-02
album: Daylight
  type: MusicAlbum
  date published: 2024-11-04
  track: Daylight
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214465
    explicit: false
    by artist: Jac Coetzee
    in album: Daylight
      type: MusicAlbum
      date published: 2024-11-04
    isrc code: QZZ772455221
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T11:30:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xce9a22805aab8575909b12019a049de01c51eb7a428ea2fc67968c9e741dc9d4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958286
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958286
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ772455221
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T12:43:37Z
    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 0xce9a22805aab8575909b12019a049de01c51eb7a428ea2fc67968c9e741dc9d4. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZZ772455221.
      date published: 2026-07-16T12:43:37Z
    audio: Daylight
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.878
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.631
      additional property: Energy
        type: PropertyValue
        value: 0.431
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.93
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.105
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.321
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.433
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Wondering Why
  type: MusicAlbum
  date published: 2025-01-15
album: Wondering why (No backing vocals)
  type: MusicAlbum
  date published: 2025-04-08
album: TV Static
  type: MusicAlbum
  date published: 2025-09-27