12 Contredanses, WoO 14: No. 4 in B-Flat Major

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
DEF056000174
CopyrightID (CopyrightChains transaction hash)
0xaca3c7041266524fb1e241dcc4fa802069976270afb6d22e902b85e5517c8ffc

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:ec777981aac04a2bb983ac89a1c0b8b3a7f485b814f66771de260e3c4a77b0f0

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.