Ruská Máša

Recording by Michal David.

Recording identifiers

ISRC
CZH682300038
CopyrightID (CopyrightChains transaction hash)
0x532c6735f534f4c986c9c24428055af3e76482f0ae88d750fc4bb41b49f6195c
Copyright registration time
2026-06-08T03:57:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e87a689c571e3b97d9c89a67285620b5bdd0086f0b76cec8821f1aee8e8d8ded

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.