Piasek

Recording by Robert Janowski.

Recording identifiers

ISRC
PLB170800780
CopyrightID (CopyrightChains transaction hash)
0x07a9f5802dd668f948741c57a24b40bae07389c214d5ba2112fa66220b49a041
Copyright registration time
2026-07-07T05:54:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:30a4ee1e13684f14331a2868cc8f616896f0542fa6c54addb40610f41ecbe7b2

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.