Já O Něm Vím Své

Recording by Petra Janů.

Recording identifiers

ISRC
FRX451572927
CopyrightID (CopyrightChains transaction hash)
0x9601fa209ee86fc64529b4cf21cb716843002f85886a215df88be9e65e0d4a39
Copyright registration time
2026-07-06T22:17:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d1eb5adeffc5e0449cab9b20f308f8a498ad7650d3bb9c8a6394cc6857281772

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.