Invariant 3.12 — 3.12 Selection / variation-retention (universal Darwinism)

## §SELF — OIP protocol specification

**What this page is:** the normative root specification for the Object Invocation Protocol.

**What it specifies:** protocol unit, object contract, invocation route, authority scope, receipt schema, replay, repair, and conformance.

**Read:** https://miscsubjects.com/a/oip-invariant-12-312-selection-variation-retention-universal-darwinism
**This page as JSON:** https://miscsubjects.com/api/articles/oip-invariant-12-312-selection-variation-retention-universal-darwinism
**Machine bundle:** https://miscsubjects.com/api/articles/oip-invariant-12-312-selection-variation-retention-universal-darwinism/bundle?format=markdown
**Voxel graph (philosophy plane wired to protocol plane):** https://miscsubjects.com/api/articles/oip/voxels
**Live object tree:** https://miscsubjects.com/api/dispatch?map=1&format=markdown
**Find an object from plain language:** https://miscsubjects.com/api/dispatch?ask=<what you want>
**Read one object:** https://miscsubjects.com/api/dispatch?key=<KEY>&format=markdown

**Proof rule:** an action is not proven by intent, description, or a 200. It is proven by the ledger and the OIP receipt for the invocation.