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

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
FRZ395801520
CopyrightID (CopyrightChains transaction hash)
0x7d9748d0896017880bb6ca1c8c3247c5dfe8f40460a653d29004158b751af3d7
Copyright registration time
2026-07-31T12:27:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:f1517fe9cc9bfa5e4acea83b3900c073a090abd1abdbe7a97f407e5b7fa99855

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.