Káta Kabanová / Act 2: Interlude II

Recording by Leoš Janáček.

Recording identifiers

ISRC
GBF077641314
CopyrightID (CopyrightChains transaction hash)
0xb0803cc16dc6656af75f2d7a6d853a161e375dd54d1c9a2b8e752c31b540be60
Copyright registration time
2026-07-07T13:14:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:09ad215edb4f58d18038e6b4dc65dd3d30bec8b4cb0f2452dfe3317a51f13865

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.