Var. 30 - Andante, sempre cantabile

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
USSM11505522
CopyrightID (CopyrightChains transaction hash)
0xacffc708cdc09f31c3e9218e4ff48b40a286e19e86e3d98f0e002f5c147c805b
Copyright registration time
2026-06-23T02:12:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9bb2cf49ade5d546bb4afd79589b170b7921118189589d2d9e911c7433abcfd0

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.