II. Largo

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
USSM11304024
CopyrightID (CopyrightChains transaction hash)
0x0d49999eb03314f6d9a72a3f68aab5aff445ef196385a547f495eab28ed5c0da
Copyright registration time
2026-07-07T13:10:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:908a277d8217971ce5df2efd847013f42e6f4bd38ae8447b5be6f7682d70d318

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.