Ciska Peters
type: MusicGroup
genre: nederpop
description: Ciska Peters is a female singer from the Netherlands who had success in the 1970s and 1980s with six hits during that period. She is remembered for her hits "Dans Naar de Zon", "España Mañana", "Zo Za
popularity: 20
followers: 1060
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-15T08:55:24Z
additional property: OTSCanonicalRecord
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdc132a256218ed23d2e75965a70799dfe5ee45af7c68b3c87a9b511cc5b5bf9. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bd8f0a0b-6e66-4a28-bb8c-86bc6923b70a.json and https://artists.proofprofile.net/proofs/artist/bd8f0a0b-6e66-4a28-bb8c-86bc6923b70a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T08:55:24Z
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album: Pardon, Mon Ami
  type: MusicAlbum
  date published: 1963
album: Zal Ik Jou Weer Zien
  type: MusicAlbum
  date published: 1963
album: Wie Weet
  type: MusicAlbum
  date published: 1963
album: Niemand Zal Mijn Tranen Zien
  type: MusicAlbum
  date published: 1964
album: Don't Press That Button Mister
  type: MusicAlbum
  date published: 1964
album: Onzekerheid
  type: MusicAlbum
  date published: 1964
album: Vaarwel Vaarwel Mijn Lieveling
  type: MusicAlbum
  date published: 1965
album: Blijf Ik In Je Gedachten?
  type: MusicAlbum
  date published: 1965-08-15
album: Laat Me Gaan
  type: MusicAlbum
  date published: 1966
album: Ik Beken
  type: MusicAlbum
  date published: 1966
album: Laat Me Gaan
  type: MusicAlbum
  date published: 1966-02-26
album: Lugano
  type: MusicAlbum
  date published: 1967
album: Dans De Samba
  type: MusicAlbum
  date published: 1967
album: Du Bist Meine Liebe
  type: MusicAlbum
  date published: 1967
album: Ciska Peters (Remastered 2022)
  type: MusicAlbum
  date published: 1972-01-01
album: El Amor
  type: MusicAlbum
  date published: 1978
album: Ciska Peters (Remastered 2022 / Expanded Edition)
  type: MusicAlbum
  date published: 1982-01-01
album: Hollands Glorie
  type: MusicAlbum
  date published: 2002
  track: Niemand Zal M'n Tranen Zien
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    duration: PT2M55S
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    explicit: false
    by artist: Ciska Peters
    in album: Hollands Glorie
      type: MusicAlbum
      date published: 2002
    genre: nederpop
    isrc code: NLA240200239
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA240200239
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T09:39:18Z
    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 0x9d0b42fb4907a05b0cd164b5233767aa40f0b814aca9dea50f1103573c855227. Chain 2 (Bitcoin): anchored in block 958531 (2026-07-18T09:39:18Z), 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/NLA240200239 — a six-check JSON result.
      date published: 2026-07-18T09:39:18Z
    audio: Niemand Zal M'n Tranen Zien
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 113.654
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
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        value: 3
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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        value: 0.087
      additional property: Valence (Positivity)
        type: PropertyValue
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.676
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Naar De Kermis (Duet Met Ronnie Tober)
    type: MusicRecording
    duration: PT3M20S
    duration ms: 200866
    explicit: false
    by artist: Ciska Peters
    in album: Hollands Glorie
      type: MusicAlbum
      date published: 2002
    genre: nederpop
    isrc code: NLA240605174
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      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Naar De Kermis (Duet Met Ronnie Tober)
album: De Singles 1967-1979
album: De Singles En Meer
track: Naar De Kermis (Duet Met Ronnie Tober)

OTSBitcoinBlock
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value: 957872

OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/957872

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA240605174

OTSTimestamp
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value: 2026-07-13T15:39:45Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1faa102fe151c343e2a824adaa977afd96314884ea7b57a16d84c1ffcc3c05b. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/NLA240605174 — a six-check JSON result.
date published: 2026-07-13T15:39:45Z

Naar De Kermis (Duet Met Ronnie Tober)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 127.433
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
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additional property: Danceability
  type: PropertyValue
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additional property: Energy
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additional property: Speechiness
  type: PropertyValue
  value: 0.032
additional property: Acousticness
  type: PropertyValue
  value: 0.374
additional property: Instrumentalness
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additional property: Liveness
  type: PropertyValue
  value: 0.046
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.962
additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
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  value: F
additional property: Mode Name
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De Singles 1967-1979
type: MusicAlbum
date published: 2022-08-19
track: De Ridder Van De Sofa - Remastered 2022
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  duration: PT3M50S
  duration ms: 230440
  explicit: false
  by artist: Ciska Peters
  in album: De Singles 1967-1979
    type: MusicAlbum
    date published: 2022-08-19
  genre: nederpop
  isrc code: NLUM72200801
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T00:50:00Z
  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 0xc109623f037813a1c49104ee8a20b3d8792959db8f655f8e6c7b77161ff89f86. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/NLUM72200801 — a six-check JSON result.
    date published: 2026-07-22T00:50:00Z
  audio: De Ridder Van De Sofa - Remastered 2022
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.084
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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De Singles En Meer
type: MusicAlbum
date published: 2024-01-25

Naar De Kermis (Duet Met Ronnie Tober)
type: MusicRecording
duration: PT3M20S
duration ms: 200866
explicit: false
by artist: Ciska Peters
in album: Summerhits Top 100
  type: MusicAlbum
  date published: 2021-07-07
isrc code: NLA240605174
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 0xd1faa102fe151c343e2a824adaa977afd96314884ea7b57a16d84c1ffcc3c05b. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/NLA240605174 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Naar De Kermis (Duet Met Ronnie Tober)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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