Jest jak jest

Recording by ZIP Skład.

Recording identifiers

ISRC
PLC071012011
CopyrightID (CopyrightChains transaction hash)
0xa80dddcd100701de9cef80d22ed04e6f9a0d6b5c932f7dff74bb798f20e6de3f
Copyright registration time
2026-06-19T14:17:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:94be4e56c26272a654978366933a72236fa1c44da113d4fc920a2ba97b1115c1

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.