Lauren Bruce
type: MusicGroup
description: Lauren Bruce (born 23 March 1997) is a New Zealand hammer thrower who has been selected to represent her country at the 2020 Summer Olympics. Between 20 September 2020 and 26 March 2021 Bruce held th
popularity: 6
followers: 127
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x19fcd939bdbb07f18dc9659720a197ff7cf6aa6df175c6568ba9d9205baae4a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e90bef2-0290-43bb-9b9c-3187d69fa716.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e90bef2-0290-43bb-9b9c-3187d69fa716.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8e90bef2-0290-43bb-9b9c-3187d69fa716
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x19fcd939bdbb07f18dc9659720a197ff7cf6aa6df175c6568ba9d9205baae4a4","name":"Lauren Bruce","registered_at":"2026-06-17T15:46:51Z","symbol":"NIM1442856","token_address":"0x782854f71140d22301f53cc08c80c3a3ddd7cddc","type":"artist","uuid":"8e90bef2-0290-43bb-9b9c-3187d69fa716"}
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 0x19fcd939bdbb07f18dc9659720a197ff7cf6aa6df175c6568ba9d9205baae4a4. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e90bef2-0290-43bb-9b9c-3187d69fa716.json and https://artists.proofprofile.net/proofs/artist/8e90bef2-0290-43bb-9b9c-3187d69fa716.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x19fcd939bdbb07f18dc9659720a197ff7cf6aa6df175c6568ba9d9205baae4a4","name":"Lauren Bruce","registered_at":"2026-06-17T15:46:51Z","symbol":"NIM1442856","token_address":"0x782854f71140d22301f53cc08c80c3a3ddd7cddc","type":"artist","uuid":"8e90bef2-0290-43bb-9b9c-3187d69fa716"}
album: Lonely Avenue
  type: MusicAlbum
  date published: 2012-10-05
album: Before the Dust Settles
  type: MusicAlbum
  date published: 2012-11-10
album: Change Is Coming
  type: MusicAlbum
  date published: 2025-02-08
  track: Change Is Coming
    type: MusicRecording
    duration: PT4M38S
    duration ms: 278808
    explicit: false
    by artist: Lauren Bruce
    in album: Change Is Coming
      type: MusicAlbum
      date published: 2025-02-08
    isrc code: AUMEV2511446
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T05:31:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7a037d9cbc42cb3aefb82df28fff8bb606ed1c109adbd8c9d2a01b7cfbb6ddd4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUMEV2511446
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    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 0x7a037d9cbc42cb3aefb82df28fff8bb606ed1c109adbd8c9d2a01b7cfbb6ddd4. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/AUMEV2511446.
      date published: 2026-07-03T08:56:35Z
    audio: Change Is Coming
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 124.809
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.482
      additional property: Energy
        type: PropertyValue
        value: 0.637
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.135
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.119
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.284
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.561
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor