Violin Concerto in D Major, Op. 61: 2. Larghetto

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
NLA507400162
CopyrightID (CopyrightChains transaction hash)
0xf4eafb4b80afcc74c75faf3780c0a1c19ee5f8225d4e509eca25e137c4a25543
Copyright registration time
2026-06-29T00:02:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c4565b18ed6780eade08b68c0bd4b338a33593c66301e1bb2e79a11900c994c8

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.