12 Contredanses, WoO 14: No. 8

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
NLA507712232
CopyrightID (CopyrightChains transaction hash)
0x9b97898542e5cc1023883343a8c6c15619666e5c01c2ed77d59d98a28c97bb40

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:50:38Z
Bitcoin block
960410
Canonical record hash
sha256:5b718517dfd6f6dc50187519712fbb1bbce7368ae145f9eaf1d167d5fe1b177f

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.