24 Preludes, Op. 100: Prelude No. 4

Recording by Mieczysław Weinberg.

Recording identifiers

ISRC
USX761883108
CopyrightID (CopyrightChains transaction hash)
0xd561e110eca7b4c934ae12e816ec788ff6ce136fc114f4ef6f4b040697a94b50
Copyright registration time
2026-07-07T20:15:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:fbbc51ad3f742efb256a17f4bfdcd4bdde67499da5b2e4142578facfd232c99a

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.