Philharmonia Hungarica
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genre: classical
genre: orchestra
description: The Philharmonia Hungarica was a symphony orchestra, based in Marl, Germany, which existed from 1956 to 2001. History The Philharmonia Hungarica was first established in Baden bei Wien near Vienna by
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track: Orpheus in der Unterwelt · Operette in 2 Akten (1988 Digital Remaster): Ouvertüre (Orchester)
track: Orpheus in der Unterwelt - 1. Akt (1988 Digital Remaster): Als ich noch Prinz war von Arkadien
track: Prince Igor, Act II: Polovtsian Dances. No. 17, General Dance. Allegro
track: Piano Concerto in E Major, Op. 59: II. Andante

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Orpheus in der Unterwelt - 1. Akt (1988 Digital Remaster): Als ich noch Prinz war von Arkadien
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Prince Igor, Act II: Polovtsian Dances. No. 17, General Dance. Allegro
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Piano Concerto in E Major, Op. 59: II. Andante
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603963
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41+00:00
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 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