Hallo, co ty o tym wiesz

Recording by Krzysztof Krawczyk.

Recording identifiers

ISRC
PLG941200717
CopyrightID (CopyrightChains transaction hash)
0x4b43c3f4245900aa81310cee49eb4a8ddf2f5e535cd131eb82637baeb6d34959
Copyright registration time
2026-07-07T08:58:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a5c99aa13d3319703b2a71d91f42ef44f35166df0dc8d83fee82f9c9134b6cb3

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.