Hungarian Dances Nos. 1 - 21 - For Piano Duet: No. 6 In D Flat (Vivace)

Recording identifiers

ISRC

DEF057601430

Release date of the album this recording appears on

1976-01-01

CopyrightID (CopyrightChains transaction hash)

0x8df0fcbd318ba752da805f2fefe5300a19f8a5f517186af57fd48f531b353ede

Copyright registration time

2026-07-07T19:27:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:39:04Z

Bitcoin block

957122

Canonical record hash

sha256:5c9eb8661cae5e432997a76c4cab1b339fda785d03df79e1e171aa3857653077

• Verify the CopyrightID on CopyrightChains
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• Recording evidence summary for ISRC DEF057601430

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.