6 Bagatelles: No. 2, Rubato - Lamentoso

Recording by György Ligeti.

Recording identifiers

ISRC
SEAEG9462060
CopyrightID (CopyrightChains transaction hash)
0xa87507776250d9f3fdd38afa7c65e1195baef895f4e55059deacd78ba0a8a28f
Copyright registration time
2026-07-30T23:00:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:97a0a8051b2878ea8c8a0b974bf566eb3cecf51051dee7ad0927ccd28cd6d344

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.