Todd Hoffman
type: MusicGroup
popularity: 2
followers: 401
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd61c7bc3262546db565f4804ccedfce9501900ceabaf65720d0219f4126e9209
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d15d5215-695d-47b8-941f-e172af4e5d4c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d15d5215-695d-47b8-941f-e172af4e5d4c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d15d5215-695d-47b8-941f-e172af4e5d4c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd61c7bc3262546db565f4804ccedfce9501900ceabaf65720d0219f4126e9209","name":"Todd Hoffman","registered_at":"2026-06-21T01:04:30Z","symbol":"NIM1771124","token_address":"0x1c021ab7c3d2ba5deba4c2554b5e4845d67b22c4","type":"artist","uuid":"d15d5215-695d-47b8-941f-e172af4e5d4c"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd61c7bc3262546db565f4804ccedfce9501900ceabaf65720d0219f4126e9209. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d15d5215-695d-47b8-941f-e172af4e5d4c.json and https://artists.proofprofile.net/proofs/artist/d15d5215-695d-47b8-941f-e172af4e5d4c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0xd61c7bc3262546db565f4804ccedfce9501900ceabaf65720d0219f4126e9209","name":"Todd Hoffman","registered_at":"2026-06-21T01:04:30Z","symbol":"NIM1771124","token_address":"0x1c021ab7c3d2ba5deba4c2554b5e4845d67b22c4","type":"artist","uuid":"d15d5215-695d-47b8-941f-e172af4e5d4c"}
album: Take On Me
  type: MusicAlbum
  date published: 2023-04-17
  track: Take On Me
    type: MusicRecording
    duration: PT4M24S
    duration ms: 264117
    explicit: false
    by artist: Todd Hoffman
    in album: Take On Me
      type: MusicAlbum
      date published: 2023-04-17
    isrc code: QZHNA2337616
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T06:50:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfca1f34c0cd1215c119dab6676d7c7899b8011423956d906a43fabe05634616c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959107
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959107
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNA2337616
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T07:19:23Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca1f34c0cd1215c119dab6676d7c7899b8011423956d906a43fabe05634616c. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/QZHNA2337616.
      date published: 2026-07-22T07:19:23Z
    audio: Take On Me
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.027
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.293
      additional property: Energy
        type: PropertyValue
        value: 0.753
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.159
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.176
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.725
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Triangle
  type: MusicAlbum
  date published: 2025-10-09
album: Square
  type: MusicAlbum
  date published: 2025-10-10
album: Small Timer
  type: MusicAlbum
  date published: 2025-10-11
album: High Plains
  type: MusicAlbum
  date published: 2025-10-13
album: Ugly Duckling
  type: MusicAlbum
  date published: 2025-10-17
album: Built on Sand
  type: MusicAlbum
  date published: 2025-10-22
album: Grace Falls
  type: MusicAlbum
  date published: 2025-10-25
album: The Love
  type: MusicAlbum
  date published: 2025-10-26
album: Kindom State of Mind
  type: MusicAlbum
  date published: 2025-10-31
album: Tell Me
  type: MusicAlbum
  date published: 2025-11-05
album: Picking up the Pieces
  type: MusicAlbum
  date published: 2025-11-07