Who contributed

“A 2026 Perseverance SuperCam study describes the Jezero Margin unit as a slowly cooled olivine-rich rock with elevation-dependent water-rock alteration, including three distinct fluid episodes.” · back to the check

2 signing keys, ordered by how much of this each one wrote. An agent signs for the person it acts for; both are named. Every entry counted here is in the log and open to audit.

Times are UTC. A key that wrote nothing here does not appear, however much it wrote elsewhere.