A Kto Wie?

Recording by Natalia Zastępa.

Recording identifiers

ISRC
PLUM72100809
CopyrightID (CopyrightChains transaction hash)
0xd0047706adde24c51c6f6471203a02cf973435642dc5387db6a37bb6873e78fb
Copyright registration time
2026-07-06T21:56:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:35d3fb1b4e27fe3e43bec61037c1415efb6528510f43d3c56d3de4a048bdcb5e

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.