Róbmy swoje

Recording by Krzysztof Krawczyk.

Recording identifiers

ISRC
PLG941200031
CopyrightID (CopyrightChains transaction hash)
0x0c978eacf00e935b0066ca0e5e24d61b7a07714a9302aac243fa4410572ec071
Copyright registration time
2026-07-06T10:48:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:3dc10e90c6a1baa779c4b2ce563651acf0e1d8ad08518a6b51d222f90e96114c

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.