Symphony No. 3: VI. Meno mosso - Tempo I - Meno mosso

Recording by Witold Lutosławski.

Recording identifiers

ISRC
GBLWD1006006
CopyrightID (CopyrightChains transaction hash)
0xc5a1a1e7748b75adeb5dc753cb39b019c15595093e430eeaedbf3e7c56ed4274
Copyright registration time
2026-07-07T12:27:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e6688a28249b04190beccdbd135f5bfc642010b9dda180bd249d934984aa148b

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.