12 Contredanses, WoO 14: No. 7 in E-Flat Major

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
DEF056000177
CopyrightID (CopyrightChains transaction hash)
0xa7e1c3e37c7d94428441a91b2ffd19294543c84addb817d58d5acd428bba38e8

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:ccd4632ef93979dcbe3166bcec1b1d8a7ab578c6a651c8c730530f88a80416c3

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.