Raymzter
type: MusicGroup
description: Raymond Christiaan Rensen a.k.a. Raymzter (born 1979 in Almere) is a Dutch rapper. Biography Raymzter was born in Almere to a Moroccan father and a Dutch mother. He developed an interest in hip hop e
popularity: 9
followers: 1807
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ea44a978003953291ef45265b149d3ab015797d37c5ca68566fcc7826e57409
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954693
additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/ea9519d5-9818-460d-bc7c-e9a25befeaeb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ea9519d5-9818-460d-bc7c-e9a25befeaeb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ea9519d5-9818-460d-bc7c-e9a25befeaeb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ea44a978003953291ef45265b149d3ab015797d37c5ca68566fcc7826e57409. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ea9519d5-9818-460d-bc7c-e9a25befeaeb.json and https://artists.proofprofile.net/proofs/artist/ea9519d5-9818-460d-bc7c-e9a25befeaeb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
album: Rayalistisch (Reissue)
  type: MusicAlbum
  date published: 2003-01-01
  track: Kutmarokkanen??!
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233733
    explicit: false
    by artist: Raymzter
    in album: Rayalistisch (Reissue)
      type: MusicAlbum
      date published: 2003-01-01
    isrc code: NLA350200182
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA350200182
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 0xb3197956c9401f6d0da88da64a71c1ff2172a3b758e51b0d926bf4cf798fb45d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/NLA350200182.
      date published: 2026-07-03T19:59:51Z
    audio: Kutmarokkanen??!
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.172
      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: 0.765
      additional property: Energy
        type: PropertyValue
        value: 0.942
      additional property: Speechiness
        type: PropertyValue
        value: 0.149
      additional property: Acousticness
        type: PropertyValue
        value: 0.189
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.035
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.891
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.653
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: 9 tot 5
    type: MusicRecording
    duration: PT4M3S
    duration ms: 243986
    explicit: false
    by artist: Raymzter
    in album: Rayalistisch (Reissue)
      type: MusicAlbum
      date published: 2003-01-01
    isrc code: NLA350300210
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      value: 958363
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958363
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA350300210
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T04:34:46Z
    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 0x58a7bd7bf65f827ad2608b50ea5ea5c763bef51d50ac4ddf37af7c9ec6cb488f. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/NLA350300210.
      date published: 2026-07-17T04:34:46Z
    audio: 9 tot 5
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.99
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.799
      additional property: Energy
        type: PropertyValue
        value: 0.714
      additional property: Speechiness
        type: PropertyValue
        value: 0.164
      additional property: Acousticness
        type: PropertyValue
        value: 0.665
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.184
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.5
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.979
      additional property: Key Name
      additional property: Mode Name
album: Soms Gaat Het Mis
album: Rayvolutie
album: Voor Me Ma
album: Iets Om Te Haten

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

Soms Gaat Het Mis
type: MusicAlbum
date published: 2005-08-01

Rayvolutie
type: MusicAlbum
date published: 2013-05-16

Voor Me Ma
type: MusicAlbum
date published: 2018-05-15

Iets Om Te Haten
type: MusicAlbum
date published: 2019-01-03

Voor Me Ma
type: MusicAlbum
date published: 2019-02-20