String Quartet No. 4 in D Major, Op. 83: IV. Allegretto - Live

Recording identifiers

ISRC

DEF059903664

CopyrightID (CopyrightChains transaction hash)

0x92a2253b27806a1c5b1d652c7cc97b4bf22f7f264d86f8f8ef123fa3d8155363

Copyright registration time

2026-06-25T01:14:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:773905a30aebaa82bb02df53e85d151bc921024288c9331f4540562e8f6998e2

• 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.