Alfrēds Kalniņš
type: MusicGroup
description: Alfrēds Bruno Jānis Kalniņš (23 August 1879, in Cēsis, Governorate of Livonia – 23 December 1951, in Riga, Latvian SSR) was a Latvian composer, organist, pedagogue, music critic and conductor; the fou
popularity: 2
followers: 131
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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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album: Kalniņš: Moments musicaux
  type: MusicAlbum
  date published: 2018-10-19
album: Kalniņš: Moments musicaux
  type: MusicAlbum
  date published: 2018-10-19
album: Latvian Radio Archive: Alfrēds Kalniņš
  type: MusicAlbum
  date published: 2021-03-26
album: Alfrēds Kalniņš: Organ Music
  type: MusicAlbum
  date published: 2023-04-26
album: Fantāzija
  type: MusicAlbum
  date published: 2023-05-19
track: Kalniņš, Aijaija
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  by artist: Alfrēds Kalniņš
  by artist: Elina Garanca
  by artist: Malcolm Martineau
  in album: When Night Falls ...
    type: MusicAlbum
    date published: 2024-03-15
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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: 2026-07-30T17:23:26Z
  audio: Kalniņš, Aijaija
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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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    additional property: Instrumentalness
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      value: Eb
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track: Kalniņš: Sūpļa dzeesma
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  duration: PT3M47S
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  by artist: Alfrēds Kalniņš
  by artist: Elina Garanca
  by artist: Malcolm Martineau
  in album: When Night Falls ...
    type: MusicAlbum
    date published: 2024-03-15
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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: 2026-07-30T18:23:33Z
  audio: Kalniņš: Sūpļa dzeesma
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track: Rudens

Speechiness
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Liveness
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Loudness (dB)
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Key Name
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Mode Name
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Rudens
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duration: PT2M44S
duration ms: 164880
explicit: false
by artist: Alfrēds Kalniņš
by artist: Liepājas Simfoniskais Orķestris, Imants Resnis
by artist: Imants Resnis
by artist: Liepājas Simfoniskais Orķestris
in album: Latviešu klasikas dārgumi
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  date published: 2001-09-07
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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
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  date published: 2026-07-31T12:24:41Z
audio: Rudens
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