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
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:d4d6c960ef6090b80df38668ac16c7be847bcedd63522416a6b2282119e95a65

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.