Polyushko Polye

Recording by Enschede's Byzantijns Kozakkenkoor.

Recording identifiers

ISRC
NLM7G1600013
CopyrightID (CopyrightChains transaction hash)
0xc782b19cea3f81bf98963870e0bc2a09aec48c6d8c900fbc198fc70aba1c8f00
Copyright registration time
2026-07-06T06:52:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:a17133341d5373ea951e1e50647c4c81a9be1d9c7d7c6b1d3dabbd2266cf5205

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.