Jeż

Recording by Michał Bajor.

Recording identifiers

ISRC
PLB170800106
CopyrightID (CopyrightChains transaction hash)
0x8ad2ead4c3c4be79fe352782c44d36d42e7c34a44cd6b6efa8a2c42a2c4d573f
Copyright registration time
2026-07-07T18:33:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0455049d1bc746d7b438a3df90b5585a466956146d3fe85289b874b8283015c2

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.