Cornerstone

Recording by Dave Pettigrew.

Recording identifiers

ISRC
QMD5P1300004
CopyrightID (CopyrightChains transaction hash)
0x79ffff861422cda058b4fb1fc684d19cb83e32437227a46ea6160730f6e2f5aa
Copyright registration time
2026-06-28T04:58:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:3994f3fbdc0c1f3fd747b54bce037293cea4a093227fd089766e9627a0ac8412

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.