Birgitte Grimstad
type: MusicGroup
genre: norwegian pop
genre: swedish ballads
description: Birgitte Grimstad (born 15 December 1935) is a Danish-born Norwegian singer, guitarist, composer and writer. Personal life Grimstad was born in Copenhagen, Denmark, the daughter of Aksel Schiøtz and
popularity: 10
followers: 613
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-20T07:04:44Z
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album: Børnehits - Blot Til Børn (2025 Remastered Version)
  type: MusicAlbum
  date published: 1971
album: Halfdan Rasmussen Viser - Ej Blot Til Børn
  type: MusicAlbum
  date published: 1978
album: Ord Over Grind, 51 Beste 1966-1994
  type: MusicAlbum
  date published: 1994
album: Ord over Grind, 51 Beste 1966-1994
  type: MusicAlbum
  date published: 1994
  track: Samarkand (Om Du Nånsin Kommer Fram Till Samarkand)
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    by artist: Birgitte Grimstad
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      type: MusicAlbum
      date published: 1994
    genre: norwegian pop
    genre: swedish ballads
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T12:31:54Z
    audio: Samarkand (Om Du Nånsin Kommer Fram Till Samarkand)
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      additional property: Tempo (BPM)
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      additional property: Musical Key
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      additional property: Acousticness
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        value: C
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album: Menneskenes jord
  type: MusicAlbum
  date published: 2004-01-01
album: Tonen - Birgitte Grimstad Synger Geirr Tveitt
  type: MusicAlbum
  date published: 2008-10-10
album: Tonen - Birgitte Grimstad Synger Geirr Tveitt
  type: MusicAlbum
  date published: 2008-10-10
album: Atten Svaner og Andre Viser
  type: MusicAlbum
  date published: 2013-04-17
album: Eli Geva
  type: MusicAlbum
  date published: 2015-09-18
album: Hr. President - Le Deserteur
  type: MusicAlbum
  date published: 2016-08-25
album: Hr. President - Le Deserteur
  type: MusicAlbum
  date published: 2016-08-25
album: Da Jeg Var Pige
  type: MusicAlbum
  date published: 2017-01-25
album: Hvide Pletter
  type: MusicAlbum
  date published: 2017-01-25
album: Sange & Viser A la Carte Vol. 30
  type: MusicAlbum
  date published: 2017-10-14
album: Folk & Vise Klubben Vol. 11
  type: MusicAlbum
  date published: 2019-01-13
album: De Bedste Børnesange Vol. 13
  type: MusicAlbum
  date published: 2020-03-31
album: Sange & Viser A la Carte Vol. 21
  type: MusicAlbum
  date published: 2020-06-01
album: Cafe Vise Versa Vol. 8
  type: MusicAlbum
  date published: 2020-09-29
album: Four Nordic Songs to Our World
  type: MusicAlbum
  date published: 2022-09-02
album: I: Songs of our time (Live Concert Recordings from the 1960's and 1970's)
  type: MusicAlbum
  date published: 2023-11-17
album: II. Songs of times gone by (Live Concert Recordings from the 1960's and 1970's)
  type: MusicAlbum
  date published: 2023-11-17
album: II. Songs of times gone by (Live Concert Recordings from the 1960's and 1970's)
  type: MusicAlbum
  date published: 2023-11-17
album: I: Songs of our time (Live Concert Recordings from the 1960's and 1970's)
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  date published: 2023-11-17
track: Lillebjørns franske vals
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  duration: PT3M50S
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  by artist: Jan Eggum
  by artist: Birgitte Grimstad
  by artist: Finn Kalvik
  by artist: Åse Kleveland
  by artist: Lars Klevstrand
  by artist: Halvdan Sivertsen
  by artist: Øystein Sunde
  by artist: Kari Svendsen
  in album: Crescendo i Gågata - En hyllest til Lillebjørn Nilsen
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  subject of: OpenTimestamps Proof of Existence
  audio: Lillebjørns franske vals

Jan Eggum
type: MusicGroup

Birgitte Grimstad
type: MusicGroup

Finn Kalvik
type: MusicGroup

Åse Kleveland
type: MusicGroup

Lars Klevstrand
type: MusicGroup

Halvdan Sivertsen
type: MusicGroup

Øystein Sunde
type: MusicGroup

Kari Svendsen
type: MusicGroup

Crescendo i Gågata - En hyllest til Lillebjørn Nilsen
type: MusicAlbum
date published: 2020-12-21

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02d8c238c6d80882be6944a156f705e9a42938e2be0a4aa6a8a78835d32743bb. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/NOFGG2040080.
date published: 2026-07-02T11:34:59Z

Lillebjørns franske vals
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Lillebjørns franske vals
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by artist: Birgitte Grimstad
by artist: Finn Kalvik
by artist: Åse Kleveland
by artist: Lars Klevstrand
by artist: Halvdan Sivertsen
by artist: Øystein Sunde
by artist: Kari Svendsen
in album: Crescendo i Gågata - En hyllest til Lillebjørn Nilsen
  type: MusicAlbum
  date published: 2020-12-21
isrc code: NOFGG2040080
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02d8c238c6d80882be6944a156f705e9a42938e2be0a4aa6a8a78835d32743bb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NOFGG2040080.
  date published: 2026-07-02T03:55:08Z
audio: Lillebjørns franske vals
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