Kto tam u Ciebie jest

Recording by Ewa Błaszczyk.

Recording identifiers

ISRC
PLB171600026
CopyrightID (CopyrightChains transaction hash)
0x62bb67ef30afdae5f2855021fd8366c25fd3f38759ae87ca8337722a8badb766
Copyright registration time
2026-07-29T13:56:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T14:28:24Z
Bitcoin block
960117
Canonical record hash
sha256:606d925219cd9a187e2f2ab967593280503a05a4a0f98fe1b1d556c6e968c996

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.