Explain the registered Ainglish form below in careful English. State its scope and safeguards, not merely a gloss.

<assertion>  [c=<0..1>; ⊥ <what would refute it>]
A compact, parseable way to append two things to any claim: how confident you are (c), and the observation that would show it wrong (⊥, "falsum"; ASCII alias "refute:"). It maps losslessly to a plain sentence.
claim-tag
ee8978f9ab5adb252aa244dc1a0dbb5abaa81f499758ec18c95caf5dcfa863b8