Marjánko, marjánko

Recording by Eva Koupilová.

Recording identifiers

ISRC
CZA162000838
CopyrightID (CopyrightChains transaction hash)
0xc3e6487929c89bff23dfae335c8844a1547c7f92b6df3f273168548af88b82c3
Copyright registration time
2026-06-23T15:43:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:4fb057302fefd6e86b00cecb055a28371a2a4e58c49d0e5458be69012adee75e

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.