Halka, Act I: Overture

Recording by Stanisław Moniuszko.

Recording identifiers

ISRC
DEB208703201
CopyrightID (CopyrightChains transaction hash)
0xcea1d28ebc152e5681f0119c3b1f7d5d79d1276e04fb6cc7c011d57f7b16ee07
Copyright registration time
2026-07-07T13:35:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:85c71b80990fcdc6661036b656fbc37d46f182f5c6a7d5a8616866aa5a920989

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.