Lapp-Lisa
type: MusicGroup
genre: swedish ballads
description: Anna-Lisa Öst (; 8 October 1889 – 27 April 1974) was a Swedish gospel singer and recording artist, who was popular with both Swedish and Swedish-American audiences in the 1940s and 1950s. She performe
popularity: 7
followers: 728
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T11:51:30Z
album: Hela Sveriges
  type: MusicAlbum
  date published: 2013-01-03
  track: Guldgrävarsången
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    by artist: Lapp-Lisa
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      type: MusicAlbum
      date published: 2013-01-03
    genre: swedish ballads
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      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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x092038346d76ae315f94bfdaebc709ba42483ae53f036769f084b36b441b9508. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/USESK1331784.
      date published: 2026-07-06T01:26:17Z
    audio: Guldgrävarsången
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Valence (Positivity)
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album: Barnatro
  type: MusicAlbum
  date published: 2013-03-09
album: Barnatro
  type: MusicAlbum
  date published: 2013-03-09
  track: Barnatro
    type: MusicRecording
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      type: MusicAlbum
      date published: 2013-03-09
    genre: swedish ballads
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    additional property: OTSVerifyInstructions
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      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
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      date published: 2026-07-18T12:14:37Z
    audio: Barnatro
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Danceability
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track: Barnatro

Barnatro
type: MusicRecording
duration: PT3M37S
duration ms: 217693
explicit: false
by artist: Lapp-Lisa
in album: Gyllne morgon - 15 andliga favoriter
  type: MusicAlbum
  date published: 2011-05-01
isrc code: USB8U1065738
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59306ac83d4906d3ec6f7190ce610ea415e2a48587dd625f8eab73c63c5647fe. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1065738.
  date published: 2026-07-08T03:20:19Z
audio: Barnatro
  type: AudioObject
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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