Ricardo Smit
type: MusicGroup
popularity: 3
followers: 172
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e00d13201c666ff25c12ebb0d73cc1ee2504431d70bee9ff8306f00c61dd729
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6fd4c48-0cb7-4131-bf16-3a028ac80f8d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6fd4c48-0cb7-4131-bf16-3a028ac80f8d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c6fd4c48-0cb7-4131-bf16-3a028ac80f8d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1e00d13201c666ff25c12ebb0d73cc1ee2504431d70bee9ff8306f00c61dd729","name":"Ricardo Smit","registered_at":"2026-06-20T21:34:54Z","symbol":"NIM1719816","token_address":"0x45e6150d5ff1d462549e0442ab7572b28dbddcc0","type":"artist","uuid":"c6fd4c48-0cb7-4131-bf16-3a028ac80f8d"}
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 0x1e00d13201c666ff25c12ebb0d73cc1ee2504431d70bee9ff8306f00c61dd729. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c6fd4c48-0cb7-4131-bf16-3a028ac80f8d.json and https://artists.proofprofile.net/proofs/artist/c6fd4c48-0cb7-4131-bf16-3a028ac80f8d.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x1e00d13201c666ff25c12ebb0d73cc1ee2504431d70bee9ff8306f00c61dd729","name":"Ricardo Smit","registered_at":"2026-06-20T21:34:54Z","symbol":"NIM1719816","token_address":"0x45e6150d5ff1d462549e0442ab7572b28dbddcc0","type":"artist","uuid":"c6fd4c48-0cb7-4131-bf16-3a028ac80f8d"}
album: Hejo
  type: MusicAlbum
  date published: 2012-08-07
album: Jij Jij Jij
  type: MusicAlbum
  date published: 2014-07-17
album: Kom allemaal maar in mijn armen
  type: MusicAlbum
  date published: 2015-03-17
album: Blijf deze nacht bij mij
  type: MusicAlbum
  date published: 2015-10-29
album: Blijf deze nacht bij mij
  type: MusicAlbum
  date published: 2015-10-29
album: Sleur
  type: MusicAlbum
  date published: 2017-01-23
album: Flink zijn
  type: MusicAlbum
  date published: 2017-09-12
album: Flink zijn
  type: MusicAlbum
  date published: 2017-09-12
album: Als ik je laat gaan
  type: MusicAlbum
  date published: 2018-10-09
album: Ga Want De Kroeg Die Sluit
  type: MusicAlbum
  date published: 2020-11-09
album: Laat Ze Maar Lullen
  type: MusicAlbum
  date published: 2023-08-09
  track: Laat Ze Maar Lullen
    type: MusicRecording
    duration: PT3M6S
    duration ms: 186168
    explicit: false
    by artist: Ricardo Smit
    in album: Laat Ze Maar Lullen
      type: MusicAlbum
      date published: 2023-08-09
    isrc code: NLQN72300020
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T22:49:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa1bc6bbaa7a75799c46a93326fd97ebb8558630a34a8ba40cfd4afdbd9605277
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQN72300020
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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 0xa1bc6bbaa7a75799c46a93326fd97ebb8558630a34a8ba40cfd4afdbd9605277. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQN72300020 — a six-check JSON result.
      date published: 2026-07-06T01:25:57Z
    audio: Laat Ze Maar Lullen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.056
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.734
      additional property: Energy
        type: PropertyValue
        value: 0.86
      additional property: Speechiness
        type: PropertyValue
        value: 0.057
      additional property: Acousticness
        type: PropertyValue
        value: 0.193
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.165
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.734
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.144
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Die Laaielichter
  type: MusicAlbum
  date published: 2024-06-05
album: Laat Me
  type: MusicAlbum
  date published: 2024-07-31