Po Prostu

Recording by Kasia Wilk.

Recording identifiers

ISRC
PLUM71100709
CopyrightID (CopyrightChains transaction hash)
0xbc165ba3bda0faf58b3091a4f75c9e66782900af06c053a31f10a1ff7444b574
Copyright registration time
2026-06-11T02:34:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8200b373e0d9bdd9ffe8da7e745b0390d328550251b7e058ba2ccf65eb797552

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.