Martha Hayes
type: MusicGroup
popularity: 11
followers: 179
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27fe09f160388f3a39f74d44e472302f3702220a9ed179c7f6f88e1ddd8aa98f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9a89f554-d2b8-4845-9d21-04f11829e0d8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9a89f554-d2b8-4845-9d21-04f11829e0d8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9a89f554-d2b8-4845-9d21-04f11829e0d8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x27fe09f160388f3a39f74d44e472302f3702220a9ed179c7f6f88e1ddd8aa98f","name":"Martha Hayes","registered_at":"2026-06-14T20:38:14Z","symbol":"NIM0569825","token_address":"0x346ee2513e53ba849a69cf5c215d3ab98017488a","type":"artist","uuid":"9a89f554-d2b8-4845-9d21-04f11829e0d8"}
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 0x27fe09f160388f3a39f74d44e472302f3702220a9ed179c7f6f88e1ddd8aa98f. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a89f554-d2b8-4845-9d21-04f11829e0d8.json and https://artists.proofprofile.net/proofs/artist/9a89f554-d2b8-4845-9d21-04f11829e0d8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:44:49Z
  text: {"copyright_id":"0x27fe09f160388f3a39f74d44e472302f3702220a9ed179c7f6f88e1ddd8aa98f","name":"Martha Hayes","registered_at":"2026-06-14T20:38:14Z","symbol":"NIM0569825","token_address":"0x346ee2513e53ba849a69cf5c215d3ab98017488a","type":"artist","uuid":"9a89f554-d2b8-4845-9d21-04f11829e0d8"}
album: Rainy Day
  type: MusicAlbum
  date published: 2024-01-19
album: Arc De Triomphe
  type: MusicAlbum
  date published: 2024-02-14
  track: Arc De Triomphe
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182000
    explicit: false
    by artist: Martha Hayes
    in album: Arc De Triomphe
      type: MusicAlbum
      date published: 2024-02-14
    isrc code: QZFZ72422868
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T06:56:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb267d303515424e5032a790b1e3d512afbd684838ffdbe9902153051a1d7f907
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72422868
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0xb267d303515424e5032a790b1e3d512afbd684838ffdbe9902153051a1d7f907. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZFZ72422868.
      date published: 2026-07-04T10:04:33Z
    audio: Arc De Triomphe
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.998
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.594
      additional property: Energy
        type: PropertyValue
        value: 0.456
      additional property: Speechiness
        type: PropertyValue
        value: 0.07
      additional property: Acousticness
        type: PropertyValue
        value: 0.723
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.14
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.676
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.962
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Sunrise Lullabies
  type: MusicAlbum
  date published: 2024-03-22
album: The Butterfly Effect
  type: MusicAlbum
  date published: 2024-08-09
album: Jailbreak
  type: MusicAlbum
  date published: 2024-10-11
album: lay next to you
  type: MusicAlbum
  date published: 2025-01-10
album: bare walls
  type: MusicAlbum
  date published: 2025-06-20