Kto?!

Recording by Pięć Dwa.

Recording identifiers

ISRC
PLC062009801
CopyrightID (CopyrightChains transaction hash)
0x692cc73d09eee8a7c83dc33669007a497621395e49dffbae295e03bafdd05564
Copyright registration time
2026-07-06T02:01:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T09:01:26Z
Bitcoin block
956894
Canonical record hash
sha256:656021037bcc66557c1699762a9d7b714a96a3fd23e4f1300d7d7de4c1464010

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.