Fruwa twoja marynara

Recording by Maryla Rodowicz.

Recording identifiers

ISRC
PLA391490312
CopyrightID (CopyrightChains transaction hash)
0xe3038068b04aee50b364c6ebdffc540b1a8c477d15c9ab10c1294b87a8e4d92a
Copyright registration time
2026-07-30T17:38:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:551d969b87bf7bcf0edf3e218b925070c5a7600c5b680ae6f5e5ca1116b40f2a

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.