Musica ricercata: No. 2, Mesto, rigido e cerimoniale

Recording by György Ligeti.

Recording identifiers

ISRC
USSM19503333
CopyrightID (CopyrightChains transaction hash)
0x9d895b46e3532324c876ccb98bac8f935e1b6f92e940ff968e41ff6aca28c935
Copyright registration time
2026-06-20T04:46:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1d9514ef2b0e287346adfdef6959a3bd4d9a7ee5ea8ae8814062195bc19b5c3d

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.