To już nie to jest

Recording by Polska Wersja.

Recording identifiers

ISRC
PLC061605017
CopyrightID (CopyrightChains transaction hash)
0xca6331c264656c3e9fe682525b3977740a59aadce1e8d6c0d060dd941933c049
Copyright registration time
2026-06-08T04:37:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f07a9be85890b4b76be570c31a483f4f7838ce3f977294b8039fb9a645b5141e

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.