Coparck
type: MusicGroup
genre: nederpop
description: thumb|right|220px|Coparck at Westerpop 2007 Coparck is a Dutch indie rock band from Amsterdam. They were active from 1999 until 2010. Biography 1999 marks the beginning of Coparck, with Odilo Girod
popularity: 8
followers: 1102
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58c9774d64d8128d55eac8aa3917b9a7ff8d7098e9cf29e5e40b4d4dd04ef88c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/80bb26ad-047c-444e-94e4-de72a3e5ac8c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/80bb26ad-047c-444e-94e4-de72a3e5ac8c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/80bb26ad-047c-444e-94e4-de72a3e5ac8c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
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 0x58c9774d64d8128d55eac8aa3917b9a7ff8d7098e9cf29e5e40b4d4dd04ef88c. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/80bb26ad-047c-444e-94e4-de72a3e5ac8c.json and https://artists.proofprofile.net/proofs/artist/80bb26ad-047c-444e-94e4-de72a3e5ac8c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
album: The 3rd Album
  type: MusicAlbum
  date published: 2007-01-04
album: The 3rd Album
  type: MusicAlbum
  date published: 2007-01-11
album: The 3rd Album
  type: MusicAlbum
  date published: 2007-01-11
album: The 3rd Album
  type: MusicAlbum
  date published: 2007-01-11
  track: A Good Year for the Robots
    type: MusicRecording
    duration: PT4M1S
    duration ms: 241333
    explicit: false
    by artist: Coparck
    in album: The 3rd Album
      type: MusicAlbum
      date published: 2007-01-11
    genre: nederpop
    isrc code: NLC240600107
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T01:12:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x818d2d5288f118c3cae95be76f58d1967b2b6e1091e7956eeb8029ea8a2c35aa
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958346
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958346
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC240600107
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T01:47:42Z
    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 0x818d2d5288f118c3cae95be76f58d1967b2b6e1091e7956eeb8029ea8a2c35aa. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T01:47:42Z), 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/NLC240600107.
      date published: 2026-07-17T01:47:42Z
    audio: A Good Year for the Robots
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 185.551
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.301
      additional property: Energy
        type: PropertyValue
        value: 0.609
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.11
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.239
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.29
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.056
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Few Chances Come Once In a Lifetime
  type: MusicAlbum
  date published: 2007-09-27
  track: The World of Tomorrow
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219586
    explicit: false
    by artist: Coparck
    in album: Few Chances Come Once In a Lifetime
      type: MusicAlbum
      date published: 2007-09-27
    genre: nederpop
    isrc code: NLF260400026
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T12:39:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9ef883e70f90d89e1b238c366b5acec063c5eef7b42d8cbc3652a897fc9bbae6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958734
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958734
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLF260400026
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T12:54:58Z
    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 0x9ef883e70f90d89e1b238c366b5acec063c5eef7b42d8cbc3652a897fc9bbae6. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T12:54:58Z), 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/NLF260400026.
      date published: 2026-07-19T12:54:58Z
    audio: The World of Tomorrow
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.009
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.569
      additional property: Energy
        type: PropertyValue
        value: 0.517
      additional property: Speechiness
        type: PropertyValue
        value: 0.024
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Few Chances Come Once in a Lifetime
album: A Dog and Pony Show

Acousticness
type: PropertyValue
value: 0.164

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.152

Valence (Positivity)
type: PropertyValue
value: 0.474

Loudness (dB)
type: PropertyValue
value: -7.228

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Few Chances Come Once in a Lifetime
type: MusicAlbum
date published: 2008-05-01

Few Chances Come Once in a Lifetime
type: MusicAlbum
date published: 2008-05-01

Few Chances Come Once in a Lifetime
type: MusicAlbum
date published: 2008-05-01

A Dog and Pony Show
type: MusicAlbum
date published: 2009-01-01

A Dog and Pony Show
type: MusicAlbum
date published: 2009-10-19

A Dog and Pony Show
type: MusicAlbum
date published: 2009-10-19

A Dog and Pony Show
type: MusicAlbum
date published: 2009-10-19