Zły dzień

Recording by Piotr Cartman.

Recording identifiers

ISRC
PLV402000877
CopyrightID (CopyrightChains transaction hash)
0x969b0d4189f7b5123428f3e99d547fd0eaa5c5b4fece5e36dc651e8df9978e76
Copyright registration time
2026-06-09T10:19:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a7b12578dc5854618ab10d628c94ea920cb9976cb70432fab77cb5b58edb2ed5

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.