Czy Państwo pozwolą ?

Recording by Sliwa.

Recording identifiers

ISRC
CH6541609888
CopyrightID (CopyrightChains transaction hash)
0x349c4ebc237554d0b336de786d4b4238e6605c9cd64507a3c99364b51ad94ea5
Copyright registration time
2026-07-30T19:18:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:42:40Z
Bitcoin block
960300
Canonical record hash
sha256:04e7614f9bdf197593c1f5d7cbab543085411a84eab56e0b6bca66376b342674

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.