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PointSav Documentation

The engineering library for the PointSav platform — operating systems and services for regulated businesses that own their data, their AI, and their record-keeping outright. Where the monorepo holds the code, this wiki holds the reasoning: architecture, services, security, and the governance commitments that bind future development.

PointSav Digital Systems

OS family — eight operating systems, one substrate

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992e16a1 · PointSav Digital Systems ·

editorial(systems): fix os-family-overview's two unhedged substrate claims (Track-B) — service-pairing doesn't exist (real crate is system-gateway-mba, matches machine-based-auth.md's established finding), sDDF has zero trace anywhere including moonshot-sel4-vmm; hedged both to match the article's own already-consistent planned/intended framing for every other substrate row; register-clean EN+ES. Note: pre-existing missing index_group lint ERROR left unfixed — this is the systems/ Index Topic's deliberate start-here hub article, excluded from all 4 thematic groups by design; assigning one risks a wrong/duplicate categorization, flagging for the Index Topic owner rather than guessing

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@@ -10,7 +10,7 @@ status: active
audience: vendor-public
bcsc_class: public-disclosure-safe
language_protocol: PROSE-TOPIC
last_edited: 2026-07-18
last_edited: 2026-08-22
editor: pointsav-engineering
paired_with: os-family-overview.es.md
short_description: "PointSav builds eight purpose-built operating systems, designed around a shared Rust discipline and a Diode-based protocol; a common seL4 microkernel substrate is a roadmap target, not the current state of every member."
@@ -54,9 +54,9 @@ All eight operating systems share the same foundational layer:
|---|---|---|
| Kernel | [[sel4-microkernel-substrate|seL4 microkernel]] (planned substrate — not yet the shipped kernel for every OS family member; confirmed not yet integrated into `os-console`) | Mathematically verified hardware isolation |
| Language | Rust (memory-safe; no garbage collector) | All `system-*`, `service-*`, and `os-*` code; C/C++ banned at L3 and above |
| Drivers | sDDF (seL4 Device Driver Framework) | Direct hardware access without runtime bloat |
| Drivers | Device driver isolation (planned — no specific framework is committed to code today) | Direct hardware access without runtime bloat |
| Protocol | Capability-based protocol (planned — no protocol name is committed to code today) | Tunnels through TLS and VirtIO at the edge |
| Trust | `service-pairing` | Hardware-bound cryptographic pairings; no usernames, no passwords |
| Trust | [[machine-based-auth|`system-gateway-mba`]] | Hardware-bound cryptographic pairings; no usernames, no passwords |
| Audit | Append-only ledger (planned) | Tamper-resistant event record that cannot be disabled by an administrator |
| Transferability | Sovereign Addendum (planned) | The running instance remains the operator's property in any cloud provider |
Important Information

Corporate structure. PointSav Digital Systems ("PointSav") is currently a trade name of Woodfine Capital Projects Inc. ("Woodfine"), planned to become a wholly-owned Woodfine subsidiary upon incorporation. PointSav does not itself offer, sell, or solicit any security. Any securities offering associated with Woodfine's real-property direct-hold solutions is made exclusively by Woodfine, and only by means of the applicable Private Placement Memorandum.

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