String Quartet No. 6 in B-Flat Major, Op. 18 No. 6: 2. Adagio ma non troppo

Recording identifiers

ISRC

DEF059404922

CopyrightID (CopyrightChains transaction hash)

0x9201ab9644c14fc4c396763fb9b7249ef437df416ef75ae843c4b6b4a9829f9a

Copyright registration time

2026-06-21T06:01:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:30:09Z

Bitcoin block

956302

Canonical record hash

sha256:cd6499d67b50f41f893127f8172d024c01c349dbaf96599acbe25a4919872006

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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.