Kto!

Recording by Pięć Dwa Dębiec.

Recording identifiers

ISRC
PLC061202109
CopyrightID (CopyrightChains transaction hash)
0xb7cf0e09f500fd5c2c53b2aff80f3c657fd91b946bd1acc075983d8da3733c15
Copyright registration time
2026-06-04T14:28:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:00bbaf2c27529501a15f25c6fadc1702c9abd1b038d9d5e9ea3152fc21ace840

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.