Po prostu

Recording by Sosnowski.

Recording identifiers

ISRC
PLB822000055
CopyrightID (CopyrightChains transaction hash)
0x2b4e20410b0d0d888389e7c9e2829b4150f1b0995ecb77691d97a220f4142811
Copyright registration time
2026-06-19T00:36:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6d06a6c4407dcabea449faf3ec58b67799985b0840670c9d36fac99b2698c5eb

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.