Jaki jesteś jeszcze nie wiem

Recording by Anna Jantar.

Recording identifiers

ISRC
PLA247418222
Release date of the album this recording appears on
1974-02-12
CopyrightID (CopyrightChains transaction hash)
0x5ff5e4b49d957dfbafa9d5141c7ac9407f3ef1499bc24c1ef817d83b7803b6e9
Copyright registration time
2026-06-09T12:34:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b8d9923fbbbdb516b1a4e807894d4131f7e781cd9d0ba6fe77001bc380987942

What this proof establishes

This recording was released in 1974, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.