Petr Ginz

Recording by Hal Freedman.

Recording identifiers

ISRC
USHM21399585
CopyrightID (CopyrightChains transaction hash)
0xbc21d2c190d65156e6ec6c38cd6504d5eea7581f90e1b2aa8b396fd0cc79d84c
Copyright registration time
2026-06-08T21:14:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:0864c6d83d7e2cad603b8eaabcf8844ba52dff48de7836de54cac8bc5ad0d5be

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.