-- Trusted time (oxygenhub#240): each checkpoint the witnesses cosigned,

-- by its size, with the cosignatures it gathered, so a fetch can show when

-- a witness first saw an entry (Oxygen spec §14.8, integrated time).

CREATE TABLE tlog_cosigned_notes (

    size       BIGINT PRIMARY KEY,

    note       TEXT NOT NULL,

    updated_ms BIGINT NOT NULL

);