Time and Motion Study

Recording by David Francis.

Recording identifiers

ISRC
GBBGL6800323
Release date of the album this recording appears on
1968-01-01
CopyrightID (CopyrightChains transaction hash)
0xa19ab967a0b46a95085b2949786667ad47a10e92e3fdb038f8ca9ca38eded6a2
Copyright registration time
2026-07-06T23:49:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1f27700206b5daa827203bdfd08d8103e73e60defbfcf4f76a8e0b4d14281f28

What this proof establishes

This recording was released in 1968, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.