Finn Ludt
type: MusicGroup
description: Finn Ludt (16 November 1918 – 3 August 1992) was a Norwegian pianist, composer and music critic. He was born in Fana. He made his concert debut in Bergen in 1945. He composed several songs, including
popularity: 2
followers: 30
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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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  date published: 2026-06-16T13:28:01Z
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track: Erik Bye minner (Memories of Erik Bye)
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  by artist: Bjarne Amdahl
  by artist: Finn Ludt
  by artist: Jon Kirkebø Rosslund
  by artist: Idar Torskangerpoll
  by artist: Noteservice Wind Ensemble
  in album: Walkabout - New Music for Concert Band - Demo Tracks 2015-2016
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    date published: 2015-07-01
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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 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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    date published: 2026-07-31T09:50:37Z
  audio: Erik Bye minner (Memories of Erik Bye)
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track: Fra Norske Musikkspill (Norwegian Musical Medley)
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  by artist: Finn Ludt
  by artist: Harald Tusberg
  by artist: Egil Monn-Iversen
  by artist: Alf Prøysen
  by artist: Var.
  by artist: Frode Thingnæs
  by artist: Noteservice Wind Ensemble
  by artist: Trond Madsen
  in album: Tognum Power - New Music for Concert Band - Demo Tracks 2016-2017
    type: MusicAlbum
    date published: 2016-07-04
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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 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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    date published: 2026-07-08T03:53:27Z
  audio: Fra Norske Musikkspill (Norwegian Musical Medley)
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    additional property: Tempo (BPM)
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track: Og Teksten Var Av Prøysen - Norwegian Evergreens (Cb4)

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Mode Name
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Og Teksten Var Av Prøysen - Norwegian Evergreens (Cb4)
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duration: PT8M56S
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explicit: false
by artist: Bjarne Amdahl
by artist: Finn Ludt
by artist: Egil Monn-Iversen
by artist: Norsk Noteservice Wind Orchestra
in album: Vol. 19: Listen Up! - Demo Tracks
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  date published: 2007-11-08
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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 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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  date published: 2026-07-08T03:20:19Z
audio: Og Teksten Var Av Prøysen - Norwegian Evergreens (Cb4)
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