String Quartet No. 2 in G Major, Op. 18 No. 2: II. Adagio cantabile

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
GBAYC8500522
CopyrightID (CopyrightChains transaction hash)
0xe876199902e1000c9e0527160bede2a611a9f4ef9ed7ca31ded003984fd907f8
Copyright registration time
2026-07-06T09:31:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:18:56Z
Bitcoin block
957048
Canonical record hash
sha256:a7ebed9d7fc8603c1ff363ac67b1cf3bce562cea0bcedf964ffe3dc96f0056c2

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.