Two Cathedrals

Recording by Kevin Penkin.

Recording identifiers

ISRC
JPZ922011304
CopyrightID (CopyrightChains transaction hash)
0x010284e06383534a875a0c0138a0b61898a1e859c734681b07206b574442300b
Copyright registration time
2026-06-18T18:39:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2f7ca9621ff4fa8f8f0424467dbaebb753f667ed110bc81c7cc2219c784aef93

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.