A Pak Že Je To Hřích

Recording by Petra Janů.

Recording identifiers

ISRC
FRX201717010
CopyrightID (CopyrightChains transaction hash)
0x01cbe7fdb573fa5e2db7aa0f72a461f8d866a4754a73a90e55b3a49a3b301e1d
Copyright registration time
2026-06-08T22:12:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f2792aff0a034d2daf16b85f7b6230d00f1718315610cdc69b3eeba5e586416c

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.