String Quartet No. 15 in A Minor, Op. 132: III. Molto adagio

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
GBAYC8300625
CopyrightID (CopyrightChains transaction hash)
0x9f9357d73e7668786b2eeeb0202cff07b4352122e193d78b92c4fdc9e603afe7
Copyright registration time
2026-06-28T05:27:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d23d40f4fb1d104823b79d081fc72e2ecc8295e7237eb1615cd3581ccae6bc0f

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.