Jaj de jo a cseresznyepalinka (Katyusa)

Recording by Matvey Blanter.

Recording identifiers

ISRC
HUA253792107
CopyrightID (CopyrightChains transaction hash)
0x39ce69c2512328afab8cda3e51078d344ef26df7ce500b9a60f0dc8a37f2eb5e
Copyright registration time
2026-06-26T19:26:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:838df26cbe03eca30c9f6a87baff4704c1a585d9237c1530cbc458751ca380cc

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.