Product Efficiency

Recording by Johnny Pearson.

Recording identifiers

ISRC
GBBGL7000493
CopyrightID (CopyrightChains transaction hash)
0xb522685ded4dbad1b04ae4c986083ce20fd1f2252199aa4f310f6b3c6522a9f2
Copyright registration time
2026-06-27T06:33:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8d42ce3f9acd77f276eb7276f5dc6c5e0d4707cf9b8d82228eefb8bc5dac0ac1

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.