24 Preludes, Op. 100: Prelude No. 5

Recording by Mieczysław Weinberg.

Recording identifiers

ISRC
USX761883109
CopyrightID (CopyrightChains transaction hash)
0x84635dfb00fa0be08fe348dc20e4e4ea7a0f530879f0b570207b64ba396b7823
Copyright registration time
2026-07-07T05:51:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d770dc3761bc189908073f710a8131fc0f195ed4db4294f99da43b05a1e1f4bc

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.