Hungarian Dance No. 1 in G Minor, WoO 1

Recording by Johannes Brahms.

Recording identifiers

ISRC
NLA509803301
CopyrightID (CopyrightChains transaction hash)
0xb7e6a8ab5ad5ab93c2a605be587c4a7f6feeef5babc87224bbfe6c2685cd0397
Copyright registration time
2026-06-20T03:57:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1c5c2d1b1e29c2d45e3f90ee3705f40d8e14ef1e0e6e4b76abf34d00d0a5729b

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. 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.