| Controlled HTTP GET observation | Implemented |
| Public-address policy and explicit loopback fixture mode | Implemented, pre-alpha |
| Body size, timeout, port, and redirect bounds | Implemented |
| SHA-256 content-addressed storage | Implemented |
| Deterministic CBOR observation envelope | Implemented |
| Go verification | Implemented |
| Independent bounded C verification | Implemented |
| Manual deterministic JSON adapter | Implemented |
| Bounded duplicate-rejecting JSON profile | Implemented |
| Native plus semantic field views | Implemented |
| Field-level provenance | Implemented |
| Offline replay | Implemented |
| Shared Go/C conformance and fuzz corpus | Implemented |
| Bounded atomic result publication | Implemented |
| E2 typed result and manifest-last bundle | Implemented candidate; publication topology accepted |
| Exact Genesis-500 candidate selection | Implemented E3.0 candidate |
| Orthogonal Atlas state counters | Implemented correction candidate |
| Loopback read-only Atlas discovery API | Implemented E3.0 candidate |
| Canonical E2/Atlas origin registry | Implemented; three public origins plus one excluded fixture |
| Digest-bound Atlas policy records | Implemented; three completed human decisions |
| Bounded offline RFC 9309 evaluator | Implemented E3.1 control candidate |
| Deterministic network-disabled per-origin frontier | Implemented E3.1 control candidate |
| Exact 500-origin admission work queue | Implemented; 25 prepared and 475 unprepared |
| Full-catalog loopback runtime stress | Implemented; every selected origin exercised |
| Evidence-first Observatory process boundary | Implemented for literal-loopback fixtures only |
| Offline replay of fixture robots evidence | Implemented |
| Sealed Common Crawl acquisition | Implemented for one approved origin and two exact captures |
| Semantic packet and delta contracts | Implemented candidate with Go/C vectors |
| Immutable Semantic Snapshot | Implemented; exact 20-packet FUTO snapshot |
| Read-only materialized query runtime | Public at https://lab.twirx.org/; immutable snapshot only |
| Sanitized public-source repository | Published with fresh history and a verified export manifest |
| Opportunity Utility release | Published engineering candidate; 1,037,679 real source-derived packets and 83,087 Opportunity frames; large runtime not deployed |
| Manifest-pinned public agent path | Implemented locally; bounded Opportunity and two-universe queries, zero runtime origin calls |