18 Études, Op. 109: No. 7, Berceuse

Recording by Friedrich Burgmüller.

Recording identifiers

ISRC
FR6V82650693
CopyrightID (CopyrightChains transaction hash)
0x4c41358e1a387758acea3a0898d09a194d452a7ce234f6c5e5ff59a39336c584
Copyright registration time
2026-07-07T21:33:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:358ca20765b650d3294aed4885cdd9eb1791c72a9fe7a0aa6aab570693605fc5

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.