Jak To Robię

Recording by Dudek P56.

Recording identifiers

ISRC
PLR901600012
CopyrightID (CopyrightChains transaction hash)
0x04aca3c4fa5dfa7d3ec2603e2ca229ede737f5dfabd79369de1db437b5403666
Copyright registration time
2026-07-06T09:48:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:1ecd61094fdd6a5adba9d83c76f78c0c67feecfafe51633b86aea928fa4cbc83

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.