Hungarian Dances Nos. 1 - 21 - For Piano Duet: No. 5 In F Sharp Minor (Allegro)

Recording identifiers

ISRC

DEF057601420

Release date of the album this recording appears on

1976-01-01

CopyrightID (CopyrightChains transaction hash)

0x822e9d51c1221c24ab49af47aedd45dee14a5c652eac0701a9b7e8e9f46be6d7

Copyright registration time

2026-07-07T06:02:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:6bb1f80e98a584249577fd4fb40f191800b25cd9b83ecda2416700053b562f1c

• Verify the CopyrightID on CopyrightChains
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• Recording evidence summary for ISRC DEF057601420

What this proof establishes

This recording was released in 1976, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.