Káta Kabanová / Act 2: Nic zvlástniho

Recording by Leoš Janáček.

Recording identifiers

ISRC
GBF077641313
CopyrightID (CopyrightChains transaction hash)
0xac3db24f12c8ef18c8d676b0bc01d9acd979f4a2e0d1dea80e7da93d7296810f
Copyright registration time
2026-07-07T10:34:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b58b455ee12219adb47f8ba8be907fb702f3c79820b2dadd7aa6814fc10395bb

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.