Cello Sonata: II. Tema pastorale con variazioni

Recording by George Crumb.

Recording identifiers

ISRC
SEAEA9225050
CopyrightID (CopyrightChains transaction hash)
0xf6c610dd88630402b0799d827739a01c06293050a3db30218f7a0944e1f5480d
Copyright registration time
2026-07-07T13:14:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f0aa9a043300d93be40a3e48e25c59621e55235a207f207174e2d1e8405bef74

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.