Jak Nie Ty, To Kto?

Recording by O.S.T.R..

Recording identifiers

ISRC
PLA680800709
CopyrightID (CopyrightChains transaction hash)
0x23ae11d3b40f2db155158184d14e4664c9c2bd07e36b2a58e05e77f97abdbc5d
Copyright registration time
2026-06-18T15:52:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6b20919be75ed8c904d40954525743663d196b99a25758d9716e38b7110d4689

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.