Bajka + Ribidibi

Recording by Rafał Brzozowski & Tomasz Borkowski.

Recording identifiers

ISRC
PLA281400180
CopyrightID (CopyrightChains transaction hash)
0x22cad7845bcc3de2b4e77398fb1654c53815255639ac0fc49bf900d13a2c9051
Copyright registration time
2026-07-06T10:39:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:497efcd39f113d2580b35c8938c15f7758c5311058b211f2c216bab8c4884022

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.