Klíčový Problém

Recording by Petra Janů.

Recording identifiers

ISRC
CZA168500729
CopyrightID (CopyrightChains transaction hash)
0x5bedd54fbc1796dfdfdba3785cbe765a5adaba3a529db26748e4078a1809dc86
Copyright registration time
2026-07-31T18:52:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:13105c88b207864b013aebfe85b1b476b37ad96a4ec1b9ab958478da5945d47a

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.