String Quartet No.12 in E Flat, Op.127: II. Adagio ma non troppo, molto cantabile

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
GBAYC8903012
CopyrightID (CopyrightChains transaction hash)
0xab9132111b03eb649c8534458b9073619a318406b8b31749f945c5dae394db79
Copyright registration time
2026-06-22T04:41:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:866aa2460928e3b013050b74f1fc173764844ee262e2c7eaca1a9deea05d5e34

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.