Katya Kabanova, JW I/8, Act I Scene 2: "Abych ani otce"

Recording by Leoš Janáček.

Recording identifiers

ISRC
GBDGQ2338912
CopyrightID (CopyrightChains transaction hash)
0xf17f6c02cb7faf9ba74e854222a2660477d3ffaffc28ac9b64ac3ab30a561e11
Copyright registration time
2026-07-07T03:06:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:43a61aef3148fbb6017c1011cc542685d01917fc23f2a8ae72ba6e1c8388baac

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.