Chris Martin
type: MusicGroup
genre: dancehall
genre: lovers rock
genre: reggae
genre: riddim
genre: roots reggae
description: Christopher Anthony John Martin (born 2 March 1977) is an English singer, songwriter, musician and producer. He is best known as the vocalist, pianist and co-founder of the rock band Coldplay. Born i
popularity: 23
followers: 3550
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52c35b3d95174ef725ad28d96182dda1c404ec5471ce15969ff8e65b93b26341. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f8fb7005-53ed-48ba-8075-2c0b292233f3.json and https://artists.proofprofile.net/proofs/artist/f8fb7005-53ed-48ba-8075-2c0b292233f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x52c35b3d95174ef725ad28d96182dda1c404ec5471ce15969ff8e65b93b26341","name":"Chris Martin","registered_at":"2026-06-12T14:06:27Z","symbol":"NIM0320471","token_address":"0xd6dedd037ee09311160bbb92daa9060ac9c370a5","type":"artist","uuid":"f8fb7005-53ed-48ba-8075-2c0b292233f3"}
album: Chill Spot
  type: MusicAlbum
  date published: 2012-03-30
album: Dial Out
  type: MusicAlbum
  date published: 2012-04-12
  track: Dial Out
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182920
    explicit: false
    by artist: Chris Martin
    in album: Dial Out
      type: MusicAlbum
      date published: 2012-04-12
    genre: dancehall
    genre: lovers rock
    genre: reggae
    genre: riddim
    genre: roots reggae
    isrc code: USQY51266420
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
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    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd196bd967550f3386a71de8c13f241a37217e51e058885f4eca9cc1a1506499d. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T17:31:47Z), 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/USQY51266420.
      date published: 2026-07-21T17:31:47Z
    audio: Dial Out
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.872
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.727
      additional property: Energy
        type: PropertyValue
        value: 0.66
      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
        value: 0.249
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.895
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.005
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Soak
  type: MusicAlbum
  date published: 2015-03-02
album: Backdraft
  type: MusicAlbum
  date published: 2015-09-01
album: Pirate of the Caribbean - Single
  type: MusicAlbum
  date published: 2016-04-01
album: Somewhere You've Never Been
  type: MusicAlbum
  date published: 2016-05-16
album: Black Board
  type: MusicAlbum
  date published: 2016-11-04
album: No Time
  type: MusicAlbum
  date published: 2016-12-16
album: Hear the Bells (Wedding Bells) - Single
  type: MusicAlbum
  date published: 2016-12-16
album: Ketchup 'N' Pepper
  type: MusicAlbum
  date published: 2019-02-01