Není Nám Už Sedmnáct

Recording by Petra Janů.

Recording identifiers

ISRC
FRX451572919
CopyrightID (CopyrightChains transaction hash)
0x053ca5252d07a63f41e1402a18b7f6c893948d356df68dfc152ae870a79370fe
Copyright registration time
2026-06-25T10:26:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4d12885259a00e5d0e49f0380e578d07648fd30a05b3ba451972d52b9cee3ecb

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.