B?dzie jak ma by?

Recording by Kukulska.

Recording identifiers

ISRC
PLC281000010
CopyrightID (CopyrightChains transaction hash)
0xe85b2a498554141820150e9ab380e084758c755c659a22b9a144e3258b2a65db
Copyright registration time
2026-07-31T05:57:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:0373c75983319dafe45187ba9ea1cdae418e8852201203efb03903b34297dc3c

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.