The Yandall Sisters
type: MusicGroup
genre: nz reggae
description: The Yandall Sisters were a popular New Zealand-born Samoan all-female singing group of the 1970s, who made a major contribution to music in New Zealand. The members of the group were Caroline, Mary an
popularity: 29
followers: 9616
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2c88f2f8-1ad8-444b-9f16-45f6a887e2be
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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 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x493370011624208cbf38413a21c860ab3fa0c773f0b0eac04fe8aab7fd95b432. 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/2c88f2f8-1ad8-444b-9f16-45f6a887e2be.json and https://artists.proofprofile.net/proofs/artist/2c88f2f8-1ad8-444b-9f16-45f6a887e2be.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
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album: Up Front
  type: MusicAlbum
  date published: 1975-01-01
album: Return to Paradise
  type: MusicAlbum
  date published: 2002-01-01
album: Return to Paradise
  type: MusicAlbum
  date published: 2002-04-29
  track: Beyond the Reef
    type: MusicRecording
    duration: PT3M2S
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    by artist: The Yandall Sisters
    in album: Return to Paradise
      type: MusicAlbum
      date published: 2002-04-29
    genre: nz reggae
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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      value: 2026-07-22T05:29:55Z
    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 0xdafd46aa15186a5319a0fd18fedb673293434aab66598a759ee70f075f99966a. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/NZOD00800445 — a six-check JSON result.
      date published: 2026-07-22T05:29:55Z
    audio: Beyond the Reef
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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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      additional property: Acousticness
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        value: 0.919
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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        value: -10.224
      additional property: Key Name
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  track: Polynesian Love Song
    type: MusicRecording
    duration: PT2M32S
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    explicit: false
    by artist: The Yandall Sisters
    in album: Return to Paradise
      type: MusicAlbum
      date published: 2002-04-29
    genre: nz reggae
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZOD00800449
    additional property: OTSTimestamp
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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 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 0x9ded811dcb39f71b9fcd217655a446cc806546da20147c78ecd598b5b208d0b1. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/NZOD00800449 — a six-check JSON result.
      date published: 2026-07-17T19:49:21Z
    audio: Polynesian Love Song
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.535
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      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
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        value: 0.908
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Sentimental Journey
album: Return To Paradise
track: Sweet Inspiration

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.106

Valence (Positivity)
type: PropertyValue
value: 0.601

Loudness (dB)
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value: -12.164

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Sentimental Journey
type: MusicRecording
duration: PT2M42S
duration ms: 162680
explicit: false
by artist: The Yandall Sisters
in album: Return to Paradise
  type: MusicAlbum
  date published: 2002-04-29
genre: nz reggae
isrc code: NZOD00800450
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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  value: 2026-07-16T07:14:36+00:00
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-16T07:22:18Z
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 0xf1c08fb7ad57a0f9d5e2fbf0d831e2b8132c0bbe0c48d6bca0af2ca7b62187a1. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/NZOD00800450 — a six-check JSON result.
  date published: 2026-07-16T07:22:18Z
audio: Sentimental Journey
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.77
  additional property: Energy
    type: PropertyValue
    value: 0.334
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -10.173
  additional property: Key Name
    type: PropertyValue
    value: Bb
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Return to Paradise
type: MusicAlbum
date published: 2002-04-29

Return To Paradise
type: MusicAlbum
date published: 2002-04-29

Return To Paradise
type: MusicAlbum
date published: 2002-04-29

Sweet Inspiration
type: MusicRecording
duration: PT3M3S
duration ms: 183933
explicit: false
by artist: The Yandall Sisters
in album: Ten Guitars
  type: MusicAlbum
  date published: 2020-08-28
isrc code: NZEM07500003
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 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 0xc4f2d3407fe71fb4b0f1ca2ee149efe600dce1492630fa228599041444876f97. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NZEM07500003 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Sweet Inspiration
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 126.639
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    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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    value: 5
  additional property: Danceability
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    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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