Pièce électronique no. 3

Recording by György Ligeti.

Recording identifiers

ISRC
FR6V85800017
CopyrightID (CopyrightChains transaction hash)
0x8c9932ca68af65395f6d0232c9aeb9a15ca4eaafed3b43b4b23256c3298cfc90
Copyright registration time
2026-07-07T04:30:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9556f6643054d4571ddac12401637c7431a32e36840b3e0f2501f3f3ba597a48

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.