Mini Overture

Recording by Witold Lutosławski.

Recording identifiers

ISRC
DEZ651700827
CopyrightID (CopyrightChains transaction hash)
0xb2d2ec4c006966fbbf42db70d5d3dc850ae907a5b26bcdd8c651a2a14b568500
Copyright registration time
2026-07-07T07:52:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:eb7113f3b04366f67ba2d1b3a7184a51567f466c31deef419602e2c5bcbe8700

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.