The Star Sisters
type: MusicGroup
genre: nederpop
description: thumb|The Star Sisters in 1985 The Star Sisters were a female Dance/Pop trio from The Netherlands that were very popular during the 1980s, most notably as the ladies who performed the chorus as member
popularity: 20
followers: 1904
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x124a594febcd90bdf3aac467b470a7be09268a4dad6286f1c6970d60e9e36dba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953772
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6558667-8059-40a1-add8-edf005bc73ef.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6558667-8059-40a1-add8-edf005bc73ef.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c6558667-8059-40a1-add8-edf005bc73ef
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T10:33:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x124a594febcd90bdf3aac467b470a7be09268a4dad6286f1c6970d60e9e36dba","name":"The Star Sisters","registered_at":"2026-06-15T01:26:09Z","symbol":"NIM0638579","token_address":"0x6e33f27a0cac0b7f539e4946bcb5c77bd0e276cf","type":"artist","uuid":"c6558667-8059-40a1-add8-edf005bc73ef"}
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 0x124a594febcd90bdf3aac467b470a7be09268a4dad6286f1c6970d60e9e36dba. Chain 2 (Bitcoin): anchored in block 953772 (2026-06-15T10:33:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c6558667-8059-40a1-add8-edf005bc73ef.json and https://artists.proofprofile.net/proofs/artist/c6558667-8059-40a1-add8-edf005bc73ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T10:33:29Z
  text: {"copyright_id":"0x124a594febcd90bdf3aac467b470a7be09268a4dad6286f1c6970d60e9e36dba","name":"The Star Sisters","registered_at":"2026-06-15T01:26:09Z","symbol":"NIM0638579","token_address":"0x6e33f27a0cac0b7f539e4946bcb5c77bd0e276cf","type":"artist","uuid":"c6558667-8059-40a1-add8-edf005bc73ef"}
album: Danger
  type: MusicAlbum
  date published: 1985-09-08
  track: Bad Girls - 12 Inch Version - Bonus Track
    type: MusicRecording
    duration: PT7M55S
    duration ms: 475533
    explicit: false
    by artist: The Star Sisters
    in album: Danger
      type: MusicAlbum
      date published: 1985-09-08
    genre: nederpop
    isrc code: NLC288700108
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T20:29:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7c00a9c657ee67a458e2d5046a24578ec9307e8570f0dea60e357672fe2d76fd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958455
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958455
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC288700108
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T21:28:36Z
    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 0x7c00a9c657ee67a458e2d5046a24578ec9307e8570f0dea60e357672fe2d76fd. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/NLC288700108.
      date published: 2026-07-17T21:28:36Z
    audio: Bad Girls - 12 Inch Version - Bonus Track
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.42
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.776
      additional property: Energy
        type: PropertyValue
        value: 0.721
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.153
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.292
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.96
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.35
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Remix 2007
  type: MusicAlbum
  date published: 2005
album: Stars On 45 Proudly Presents: The Star Sisters
  type: MusicAlbum
  date published: 2007
  track: Star Sisters Remix 2007
    type: MusicRecording
    duration: PT3M44S
    duration ms: 224493
    explicit: false
    by artist: The Star Sisters
    in album: Stars On 45 Proudly Presents: The Star Sisters
      type: MusicAlbum
      date published: 2007
    genre: nederpop
    isrc code: NLC280700036
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T08:52:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x93be945a4e791dfee861e43c123b68df3901cbe0d0751dd966e8af38e0018949
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958271
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958271
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC280700036
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T09:16:54Z
    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 0x93be945a4e791dfee861e43c123b68df3901cbe0d0751dd966e8af38e0018949. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/NLC280700036.
      date published: 2026-07-16T09:16:54Z
    audio: Star Sisters Remix 2007
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 172.773
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.482
      additional property: Energy
        type: PropertyValue
        value: 0.876
      additional property: Speechiness
        type: PropertyValue
        value: 0.318
      additional property: Acousticness
        type: PropertyValue
        value: 0.082
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Hooray For Hollywood
  track: Proudly Presents The Star Sisters Part 2

Instrumentalness
type: PropertyValue
value: 0.021

Liveness
type: PropertyValue
value: 0.124

Valence (Positivity)
type: PropertyValue
value: 0.763

Loudness (dB)
type: PropertyValue
value: -5.924

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

Hooray For Hollywood
type: MusicRecording
duration: PT3M14S
duration ms: 194080
explicit: false
by artist: The Star Sisters
in album: Stars On 45 Proudly Presents: The Star Sisters
  type: MusicAlbum
  date published: 2007
genre: nederpop
isrc code: NLC288400212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T06:51:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9349f94cf7b93092e0c2af5202674ea26d4dde1555e6182af5e29ad109029c5a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958690
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958690
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC288400212
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T07:14:39Z
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 0x9349f94cf7b93092e0c2af5202674ea26d4dde1555e6182af5e29ad109029c5a. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/NLC288400212.
  date published: 2026-07-19T07:14:39Z
audio: Hooray For Hollywood
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.131
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.634
  additional property: Energy
    type: PropertyValue
    value: 0.68
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.521
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.813
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.506
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Proudly Presents The Star Sisters Part 2
type: MusicRecording
duration: PT12M56S
duration ms: 776506
explicit: false
by artist: The Star Sisters
in album: Stars On 45 Proudly Presents: The Star Sisters
  type: MusicAlbum
  date published: 2007
genre: nederpop
isrc code: NLC288300163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T06:46:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe36e2735e3525c6f91082ab77e3a52f71884ed2a084352c9456d15b04e16aa18
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958980
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958980
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLC288300163
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T07:04:12Z
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 0xe36e2735e3525c6f91082ab77e3a52f71884ed2a084352c9456d15b04e16aa18. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/NLC288300163.
  date published: 2026-07-21T07:04:12Z
audio: Proudly Presents The Star Sisters Part 2
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 177.899
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.462
  additional property: Energy
    type: PropertyValue
    value: 0.59
  additional property: Speechiness
    type: PropertyValue
    value: 0.103
  additional property: Acousticness
    type: PropertyValue
    value: 0.658
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.773
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.258
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major