Katya Kabanova, JW I/8, Act III Scene 2: "Ach Glašo!"

Recording by Leoš Janáček.

Recording identifiers

ISRC
GBDGQ2338926
CopyrightID (CopyrightChains transaction hash)
0xcc801c5f59a3f025c01e80dcb10bd8e431199066cf48d96a85d6dff1e29b975f
Copyright registration time
2026-07-07T08:00:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4b31b659fb5d83ea8e3a9f2c5d8e4f542609211fe8f7fae372da2c6f742ef3b7

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.