Ktoś Ty?

Recording by KASTA.

Recording identifiers

ISRC
PLA391486012
CopyrightID (CopyrightChains transaction hash)
0x64b24fbc3d720595df96118132ab286a255b586402942ec17825811b49f7ef5e
Copyright registration time
2026-07-06T23:43:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c9f976d23c72e19ebde6035ac8b47d9bbdd36b3cfa9d36c8d307aaa53c796ccf

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.