Khovanshchina / Act 5: "Bratija!"

Recording by Modest Mussorgsky.

Recording identifiers

ISRC
NLA509005442
CopyrightID (CopyrightChains transaction hash)
0xb049c56d877eef475a8c0b3b250eb8bdeba073c2c5db8485b43057ff60449727
Copyright registration time
2026-07-31T06:35:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00Z
Bitcoin block
960362
Canonical record hash
sha256:fedc67f0ef30fc265e2b96e5a774a26922143128ab81f1c0da1d0a9f06ed1e90

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.