Quentin Heartz
type: MusicGroup
popularity: 7
followers: 930
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4faef798670a1a35a54643b7d1f9fcb0283a7e31ce1ac6fea3dc82cea0a3754d
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/3d240315-94b2-4e4e-8e28-5e03dbcd8462.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3d240315-94b2-4e4e-8e28-5e03dbcd8462.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3d240315-94b2-4e4e-8e28-5e03dbcd8462
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4faef798670a1a35a54643b7d1f9fcb0283a7e31ce1ac6fea3dc82cea0a3754d","name":"Quentin Heartz","registered_at":"2026-06-16T10:55:35Z","symbol":"NIM1029914","token_address":"0x661b2a53b046c351445659e4eb69904feb80a373","type":"artist","uuid":"3d240315-94b2-4e4e-8e28-5e03dbcd8462"}
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 0x4faef798670a1a35a54643b7d1f9fcb0283a7e31ce1ac6fea3dc82cea0a3754d. 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/3d240315-94b2-4e4e-8e28-5e03dbcd8462.json and https://artists.proofprofile.net/proofs/artist/3d240315-94b2-4e4e-8e28-5e03dbcd8462.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x4faef798670a1a35a54643b7d1f9fcb0283a7e31ce1ac6fea3dc82cea0a3754d","name":"Quentin Heartz","registered_at":"2026-06-16T10:55:35Z","symbol":"NIM1029914","token_address":"0x661b2a53b046c351445659e4eb69904feb80a373","type":"artist","uuid":"3d240315-94b2-4e4e-8e28-5e03dbcd8462"}
album: Lady Red
  type: MusicAlbum
  date published: 2018-05-04
album: Time With You
  type: MusicAlbum
  date published: 2019-11-27
album: Nothing Feels Right!
  type: MusicAlbum
  date published: 2019-12-21
album: Ur Mine
  type: MusicAlbum
  date published: 2020-10-26
album: downfall
  type: MusicAlbum
  date published: 2020-11-25
  track: downfall
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161044
    explicit: false
    by artist: Quentin Heartz
    in album: downfall
      type: MusicAlbum
      date published: 2020-11-25
    isrc code: QZNWR2059113
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T03:57:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x25f74cabdaf28db0ba6c859d5140b1c00f91784b09717d5f3b4e823c9e80578a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958238
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958238
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWR2059113
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T06:58:07Z
    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 0x25f74cabdaf28db0ba6c859d5140b1c00f91784b09717d5f3b4e823c9e80578a. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T06:58:07Z), 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/QZNWR2059113.
      date published: 2026-07-16T06:58:07Z
    audio: downfall
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.987
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.832
      additional property: Energy
        type: PropertyValue
        value: 0.395
      additional property: Speechiness
        type: PropertyValue
        value: 0.058
      additional property: Acousticness
        type: PropertyValue
        value: 0.258
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.765
      additional property: Liveness
        type: PropertyValue
        value: 0.041
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.976
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.203
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: propaganda
  type: MusicAlbum
  date published: 2021-01-09
album: silver motorola
  type: MusicAlbum
  date published: 2021-01-25
album: Can't change
  type: MusicAlbum
  date published: 2021-02-10
album: no practice
  type: MusicAlbum
  date published: 2021-03-11
album: uncomfortable silence
  type: MusicAlbum
  date published: 2021-03-20
album: potion
  type: MusicAlbum
  date published: 2021-04-16
album: closer
  type: MusicAlbum
  date published: 2021-05-17
album: im selling crack
  type: MusicAlbum
  date published: 2021-06-19
album: price tag
  type: MusicAlbum
  date published: 2021-09-17
album: heart and mind
  type: MusicAlbum
  date published: 2022-01-12
album: over
  type: MusicAlbum
  date published: 2022-02-11
album: your love
  type: MusicAlbum
  date published: 2022-03-18
album: pan dulce
  type: MusicAlbum
  date published: 2022-04-22
album: gold
  type: MusicAlbum
  date published: 2022-06-26
album: bettr off alone
  type: MusicAlbum
  date published: 2022-10-18
album: I'll be there
  type: MusicAlbum
  date published: 2023-02-09
album: insane
  type: MusicAlbum
  date published: 2023-05-18
album: lost
  type: MusicAlbum
  date published: 2024-01-11
album: hoodrich
  type: MusicAlbum
  date published: 2024-04-05
album: u & me
  type: MusicAlbum
  date published: 2024-06-12
album: online luv
  type: MusicAlbum
  date published: 2024-06-26
album: lost - Nightcore
album: prize
album: bed
album: sweet release
album: solita
album: your love is heron

lost - Nightcore
type: MusicAlbum
date published: 2024-08-02

prize
type: MusicAlbum
date published: 2024-09-23

bed
type: MusicAlbum
date published: 2025-01-17

sweet release
type: MusicAlbum
date published: 2025-03-05

solita
type: MusicAlbum
date published: 2025-04-27

your love is heron
type: MusicAlbum
date published: 2025-08-03