O tym, co było i o tym, co jest teraz

Recording by Peja.

Recording identifiers

ISRC
PLF391400196
CopyrightID (CopyrightChains transaction hash)
0x3c6b7a4175892abc911aa3fe30efe94403de99cb4c2b4c7d5f1eeb6cabd163ff
Copyright registration time
2026-07-30T09:43:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:57:33Z
Bitcoin block
960240
Canonical record hash
sha256:17dd86708a604373b2712b5ba5d0368cf5bc7c5c649abf28e6fbf3855d181c2a

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.