Communio: Lutum fecit

Recording by Marek Klein.

Recording identifiers

ISRC
USCGH1526050
CopyrightID (CopyrightChains transaction hash)
0x3fbb5bbb25310dd7176338cddcfb35970c30c181b90589b820cb74e1c059dab0
Copyright registration time
2026-07-07T08:52:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:efa0e4b29acf94571afb351feb9bdd3595c2f30dc35b25530df7c31e3ddb4a1f

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.