Czy musimy być na ty

Recording by Kalina Jedrusik.

Recording identifiers

ISRC
PLA246812664
CopyrightID (CopyrightChains transaction hash)
0x9b93a7955f1a431f3f24d2e47c48af8e482468888fa20cecac8571cf56e9ca9c
Copyright registration time
2026-06-27T22:50:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:15773c93e17d0384697cd10ab42046836814313fc8e08fcb1f12f3bbac2fafe2

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.