Quadrille No. 1 in F Minor

Recording by Michał Kleofas Ogiński.

Recording identifiers

ISRC
PLA801881502
CopyrightID (CopyrightChains transaction hash)
0x7af6c3dc6dae145885ed633fc8e34cd15262022701620cc653cc3bc6b0f9a6e3

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:39:12Z
Bitcoin block
960216
Canonical record hash
sha256:56bf6bf7ee3731e3cf13cc58031b9ab98bbfc2f80cca85c6cb1414eb3077ca7a

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.