Cello Concerto in C Minor, Op. 43: IV. Allegro

Recording by Mieczysław Weinberg.

Recording identifiers

ISRC
NLA460914012
CopyrightID (CopyrightChains transaction hash)
0x0bece0799ea6827d5a4d4cfa37dfcbcbb779d914a827c12700fd0f52a5a9f60d
Copyright registration time
2026-07-07T17:19:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:079c56de5046a489e03e206a3183953189de09e367afc7ad492b2d2ca9b35143

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.