String Quartet No. 3 in A Major, Op. 41/3: III. Adagio molto

Recording identifiers

ISRC

NLE422004011

CopyrightID (CopyrightChains transaction hash)

0xfb973b343f7e1be5a31a119ae1584298c6f47c5b2a5f4afbf2e1b2f498a99be2

Copyright registration time

2026-07-06T07:44:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-07T18:39:05Z

Bitcoin block

957073

Canonical record hash

sha256:91acda0d7321f74b236d564ebfa147a8a5732d18e5546a9122c645b89cb13dcd

• Verify the CopyrightID on CopyrightChains
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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.