Káta Kabanová / Act 2: Nikoho tu neni!

Recording by Leoš Janáček.

Recording identifiers

ISRC
GBF077641315
CopyrightID (CopyrightChains transaction hash)
0x057aea4e1bd4d72a8395c353fccd88452d9c0044a6ae1cc181b97633da2a54b2
Copyright registration time
2026-07-07T06:48:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b162967d105c76b39395744e9e46b08a0f09e8870235bff69d430b520561b3d0

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.