Sonata for Solo Cello: II. Capriccio. Presto con slancio

Recording by György Ligeti.

Recording identifiers

ISRC
DEB330915217
CopyrightID (CopyrightChains transaction hash)
0x895d8f63b7843955dcf5d9eb61102262020df41e50e76435e95316597bba0edd
Copyright registration time
2026-07-06T23:07:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:457bff57dd91dea3c2d44667c7367323908ff22f940fb78a5abaa4c3b923d5c7

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.