12 Contredanses, WoO 14: No. 2 in A Major

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
DEF056000172
CopyrightID (CopyrightChains transaction hash)
0x740daad9f9c619b1aaddf2e15f42707a97e01c2eb6bb6a6f392cd810d2a07f54

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:ab3cd8c19b508e340b356461e8c1022f71ae53f5670a2019d63a090528500250

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.