String Quartet No. 2 in A Minor, Op. 51 No. 2: I. Allegro non troppo

Recording identifiers

ISRC

DEN960500791

CopyrightID (CopyrightChains transaction hash)

0xd4536509b9ad7d7b8977aad2d932d7f51b791cfeea430ef950fed28b7568f4c1

Copyright registration time

2026-07-05T23:26:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:7edf7e444265ec8b28c6496c44f579dc47180840cceecc2d2acf9e37581e5cb1

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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.