Ostatnia szansa

Recording by Kasia Cerekwicka.

Recording identifiers

ISRC
PLB380600002
CopyrightID (CopyrightChains transaction hash)
0xc412a4d8e15c3f4d1566ff1975e0ea0c19c2f5dfa5174b62f5b0ee03003ce83d
Copyright registration time
2026-06-17T11:11:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-17T19:07:14Z
Bitcoin block
954130
Canonical record hash
sha256:4a8c32944e68fa44706905b3b8a4c1c08c0b94fec9aa953aa7c2b6bb01e05894

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.