3 Equali, WoO 30: 2. Poco adagio

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
GBF077011551
CopyrightID (CopyrightChains transaction hash)
0xe1aa302dfb64503d21e19fda51ed67ef2ed30d1b995e4ffa4261b2d4857db61c

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:51b8e996d38c6c791effdc4c09fecfafa7ca0c2aa42c82b6ab2e60ae82142f5b

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.