Berceuse en ré bémol majeur

Recording by Frédéric Chopin.

Recording identifiers

ISRC
FR6V80780691
CopyrightID (CopyrightChains transaction hash)
0x5c7ec64017d61df1a9e3722b68993abe2ccf644bfd245f4f0956773935719b2a
Copyright registration time
2026-07-07T00:38:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6bb82dc75aba7f866cd96357d4c0b179a6a7a8698a02fda2a1f7d20e56a18bd5

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.