Katya Kabanova, JW I/8, Act I Scene 1: Introduction

Recording by Leoš Janáček.

Recording identifiers

ISRC
GBDGQ2338901
CopyrightID (CopyrightChains transaction hash)
0x715a7b1db9f556fee432764d79f349e7815a03221a01db87cb9532d78133d09a
Copyright registration time
2026-06-26T21:09:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7e9284ff3bdff4c300df122c9468459c228da817dbb0683dc675f4050469af57

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.