Mierzwiak

Recording by Casper Elgin.

Recording identifiers

ISRC
GBSMU1794768
CopyrightID (CopyrightChains transaction hash)
0x0ef352cc1dfdfc851183394f47afa5b41131f69359870998116accc013e9e557
Copyright registration time
2026-06-18T10:42:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d3fe1a8ddcd719c2023e94dd23570f1e48ca38c7cba7c862006fcf5a62c7c734

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.