Neo-VECTR Solar Sim (NASA Standard)

April 22, 2026 ยท View on GitHub

A low-weight 2D-engine (visually 3D) astronomy simulator that renders only proven celestial objects through a deterministic universe graph. Portable offline client with catalog-driven truth packs, orbit visualization, and scalable galaxy-to-planet navigation.

๐Ÿ” Built on ARC-Core โ€” the authority / event / receipt kernel. Every celestial object, orbit derivation, and scale-tier transition is an ARC-Core-shaped event with provenance-checked receipts. The "NASA Standard" qualifier is enforced by ARC-Core's authority-over-provenance contract.

๐Ÿ”ญ What it is

Neo-VECTR is a deterministic astronomy simulator built around truth packs โ€” catalog-driven manifests of celestial objects whose provenance (observation catalog, identifier, instrument, epoch) is cryptographically verifiable. The simulator will not render an unverified object. If a truth pack says "this planet exists with these orbital parameters from this NASA-standard source," that claim is receipt-backed.

๐ŸŒŒ Design principles

  • NASA-standard ingestion โ€” only celestial objects traceable to a canonical catalog are accepted
  • Truth packs โ€” self-contained, SHA-256-verifiable bundles of astronomical data
  • Deterministic rendering โ€” two users with the same truth pack see the same universe bit-for-bit
  • Offline-first โ€” full operation without a network once truth packs are local
  • Low-weight โ€” 2D math core projected to 3D visually; runs on modest hardware
  • Scalable navigation โ€” galaxy โ†’ system โ†’ planet tier transitions without reloading

๐Ÿ—๏ธ Built on ARC-Core

Neo-VECTR uses the ARC-Core authority kernel for:

Neo-VECTR layerARC-Core pattern
Truth-pack receipt chainEvery celestial object has a provenance receipt citing its NASA-standard source
Event-sourced navigationCamera, zoom, pan, scale-tier transitions are events; any viewport is reconstructable by replay
Authority over "proven"The NASA-standard qualifier is an authority claim backed by proposal โ†’ evidence โ†’ receipt flow
Deterministic universe-graph replayUniverse graph is derived from truth packs + event log; fully reproducible
Offline verificationReceipts are SHA-256-addressable; packs verifiable without a server
Object identityARC-Core's entity-resolution pattern applied to celestial objects across truth packs

๐ŸŒ The ARC Ecosystem

Neo-VECTR is one of several consumer applications built on the ARC governed-AI ecosystem. All share the same author and the same event-and-receipt doctrine:

Companion consumer repos:

๐Ÿ’– Support

Single funding target for every ARC repo and every consumer application:

github.com/sponsors/GareBear99

๐Ÿ“œ License

See LICENSE.