Matfield Green
type: MusicGroup
popularity: 4
followers: 382
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbe5932b2b2c6dbd73d76cb52b1d1b6fc697600f0bcff63369b9036578819aead
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4adced5e-8f2f-4452-a9df-f7d88982065b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4adced5e-8f2f-4452-a9df-f7d88982065b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4adced5e-8f2f-4452-a9df-f7d88982065b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbe5932b2b2c6dbd73d76cb52b1d1b6fc697600f0bcff63369b9036578819aead","name":"Matfield Green","registered_at":"2026-06-16T15:40:01Z","symbol":"NIM1097783","token_address":"0x99a04790461dd77a607d7755862dabb269f13aaf","type":"artist","uuid":"4adced5e-8f2f-4452-a9df-f7d88982065b"}
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 0xbe5932b2b2c6dbd73d76cb52b1d1b6fc697600f0bcff63369b9036578819aead. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4adced5e-8f2f-4452-a9df-f7d88982065b.json and https://artists.proofprofile.net/proofs/artist/4adced5e-8f2f-4452-a9df-f7d88982065b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xbe5932b2b2c6dbd73d76cb52b1d1b6fc697600f0bcff63369b9036578819aead","name":"Matfield Green","registered_at":"2026-06-16T15:40:01Z","symbol":"NIM1097783","token_address":"0x99a04790461dd77a607d7755862dabb269f13aaf","type":"artist","uuid":"4adced5e-8f2f-4452-a9df-f7d88982065b"}
album: Young and Drunk
  type: MusicAlbum
  date published: 2019-07-19
album: Rundown Town
  type: MusicAlbum
  date published: 2019-10-18
album: Waitin' on the Rain
  type: MusicAlbum
  date published: 2020-06-26
album: House From Here
  type: MusicAlbum
  date published: 2021-02-12
album: Lucky Break
  type: MusicAlbum
  date published: 2022-09-29
album: So Much
  type: MusicAlbum
  date published: 2024-02-23
album: Eighty Or Daisies
  type: MusicAlbum
  date published: 2024-03-22
album: Somebody With A Boat
  type: MusicAlbum
  date published: 2024-05-03
album: Who Ain't
  type: MusicAlbum
  date published: 2024-08-23
album: Ten Year Town
  type: MusicAlbum
  date published: 2025-05-16
  track: Ten Year Town
    type: MusicRecording
    duration: PT3M38S
    duration ms: 218201
    explicit: false
    by artist: Matfield Green
    in album: Ten Year Town
      type: MusicAlbum
      date published: 2025-05-16
    isrc code: QZNWY2576403
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T11:55:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9368492cb66a645e931c3fd51d96b51695ded2d63188f8be91a7dee071647dab
    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/QZNWY2576403
    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 0x9368492cb66a645e931c3fd51d96b51695ded2d63188f8be91a7dee071647dab. 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/QZNWY2576403.
      date published: 2026-07-16T12:43:37Z
    audio: Ten Year Town
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 77.059
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 1
      additional property: Danceability
        type: PropertyValue
        value: 0.584
      additional property: Energy
        type: PropertyValue
        value: 0.58
      additional property: Speechiness
        type: PropertyValue
        value: 0.048
      additional property: Acousticness
        type: PropertyValue
        value: 0.786
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.083
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.488
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.504
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Do the Damn Thing
  type: MusicAlbum
  date published: 2025-06-27
album: Touchdown Kansas City
  type: MusicAlbum
  date published: 2025-11-11