The Houdini's
type: MusicGroup
genre: hard bop
genre: nu jazz
popularity: 2
followers: 300
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59edd7cfe3d5e3c24a36eb9c5c1a88663ad81c2c5c363e3c36c37f545bfb5b5d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c0cc9ec9-dc0e-4548-855a-241cc942c506.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c0cc9ec9-dc0e-4548-855a-241cc942c506.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c0cc9ec9-dc0e-4548-855a-241cc942c506
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x59edd7cfe3d5e3c24a36eb9c5c1a88663ad81c2c5c363e3c36c37f545bfb5b5d","name":"The Houdini's","registered_at":"2026-06-20T19:27:38Z","symbol":"NIM1690422","token_address":"0x27d4d0444a67b3471ae321c4237f12677296ca3e","type":"artist","uuid":"c0cc9ec9-dc0e-4548-855a-241cc942c506"}
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 0x59edd7cfe3d5e3c24a36eb9c5c1a88663ad81c2c5c363e3c36c37f545bfb5b5d. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c0cc9ec9-dc0e-4548-855a-241cc942c506.json and https://artists.proofprofile.net/proofs/artist/c0cc9ec9-dc0e-4548-855a-241cc942c506.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0x59edd7cfe3d5e3c24a36eb9c5c1a88663ad81c2c5c363e3c36c37f545bfb5b5d","name":"The Houdini's","registered_at":"2026-06-20T19:27:38Z","symbol":"NIM1690422","token_address":"0x27d4d0444a67b3471ae321c4237f12677296ca3e","type":"artist","uuid":"c0cc9ec9-dc0e-4548-855a-241cc942c506"}
album: Why Don't You Do Right? - Remember Peggy Lee
  type: MusicAlbum
  date published: 2011-09-02
album: Where Or When
  type: MusicAlbum
  date published: 2011-11-18
album: In Time
  type: MusicAlbum
  date published: 2013-03-22
album: Ter Veldhuis: Heartbreakers
  type: MusicAlbum
  date published: 2001
  track: Grab It!
    type: MusicRecording
    duration: PT9M46S
    duration ms: 586080
    explicit: false
    by artist: Jacob Ter Veldhuis
    by artist: Arno Bornkamp
    in album: Ter Veldhuis: Heartbreakers
      type: MusicAlbum
      date published: 2001
    isrc code: NLQ662010169
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T02:43:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x661ef1aa1e778ef6da0421e13bc417c40c5ad3fe9f56d6b1585579f381a0a2d4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957124
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957124
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ662010169
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:53:27Z
    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 0x661ef1aa1e778ef6da0421e13bc417c40c5ad3fe9f56d6b1585579f381a0a2d4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLQ662010169.
      date published: 2026-07-08T03:53:27Z
    audio: Grab It!
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.635
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.916
      additional property: Energy
        type: PropertyValue
        value: 0.494
      additional property: Speechiness
        type: PropertyValue
        value: 0.41
      additional property: Acousticness
        type: PropertyValue
        value: 0.918
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.003
      additional property: Liveness
        type: PropertyValue
        value: 0.142
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.79
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.078
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Socialized JazzBeats2
  type: MusicAlbum
  date published: 2009-03-20
album: Play The Big Five
  type: MusicAlbum
  date published: 2021-06-11
album: Hybrid
  type: MusicAlbum
  date published: 2021-06-04
album: Live at Kiama Jazz Festival Australia
  type: MusicAlbum
  date published: 2021-05-28
album: Stripped to the Bone
  type: MusicAlbum
  date published: 2021-05-24
album: Cooee
  type: MusicAlbum
  date published: 2021-05-19
album: Unleashed and Remixed
  type: MusicAlbum
  date published: 2007-10-02
album: Porgy & Bess Suite
  type: MusicAlbum
  date published: 2006-01-01
album: Kickin' in the Frontwindow
  type: MusicAlbum
  date published: 1993
album: The Houdini's in New York - Headlines
  type: MusicAlbum
  date published: 1992
album: Live at Paradox
  type: MusicAlbum
  date published: 1990
album: No More Yesterdays
  type: MusicAlbum
  date published: 2021-06-04
album: My Funny Valentine
  type: MusicAlbum
  date published: 2009-01-30