Faust: Prolog, varhany

Recording by Petr Eben.

Recording identifiers

ISRC
CZC661700316
CopyrightID (CopyrightChains transaction hash)
0xc05a674a6b0457758263e076f7e6438d6193caae52d1f2fcb22c74658ed9cbb3
Copyright registration time
2026-07-07T21:45:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c17b9e18a4d28d3bc619052cfc3ebb24b30341c8e71f074d721c0e15eb62eea3

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.