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genre: choral
genre: spoken word
description: William Blake (28 November 1757 – 12 August 1827) was an English poet, painter and printmaker. Largely unrecognised during his life, Blake has become a seminal figure in the history of the poetry and
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followers: 1544
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subject of: OpenTimestamps Proof of Existence
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album: Songs of Innocence and of Experience (Unabridged)
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  date published: 2000-01-01
album: Blake: Lucien Posman
  type: MusicAlbum
  date published: 2003-04-10
album: The First Book of Urizen. Readings of William Blake [Spoken Word over Beethoven's Moonlight Sonata].
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album: Poems of William Blake (Unabridged)
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album: Milton, a poem (Unabridged)
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album: Songs of Innocence and of Experience
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album: Songs of Innocence and of Experience
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album: Little Lamb (Retrograde Version)
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    genre: choral
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-03T01:01:38Z
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album: Airs Liberté
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album: Mélodie Optimisme
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album: Dark Night
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track: Jerusalem
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  by artist: Hubert Parry
  by artist: William Blake
  by artist: Cantillation
  by artist: David Drury
  by artist: Brett Weymark
  in album: The Dam Busters - Rousing Songs, Anthems and Marches
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  subject of: OpenTimestamps Proof of Existence
  audio: Jerusalem
track: Tre citat, Op. 59: I. Ingen fågel flyger för högt
track: Lullaby in Blue - Upper Voices
track: A Cradle Song/The Tyger
track: Torbjørn Dyrud: Laughing song

OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Jerusalem
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Tre citat, Op. 59: I. Ingen fågel flyger för högt
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by artist: Lars-Erik Larsson
by artist: William Blake
by artist: Pigor och drängar
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  date published: 1977-09-01
genre: chamber-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Tre citat, Op. 59: I. Ingen fågel flyger för högt
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Lullaby in Blue - Upper Voices
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by artist: Bob Chilcott
by artist: William Blake
by artist: The Oxford Choir
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Lullaby in Blue - Upper Voices
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A Cradle Song/The Tyger
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by artist: William Blake
by artist: Eric Ericson Chamber Choir
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Torbjørn Dyrud: Laughing song
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by artist: Nina T. Karlsen
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f877550c9aca2f2cae45c07180921f1c1eeadc72fd46a595b4790bb56645f20. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/NOMPP1708090.
  date published: 2026-07-30T14:36:16Z
audio: Torbjørn Dyrud: Laughing song
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.244
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.27
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.463
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.134
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.226
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor