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Proof matrix

Every row is a signed proof of a real run.

A standard that says it runs everywhere has to show it. Each row below is a SignedProofCell: an Ed25519 signature over the canonical form of a run, naming the attestation and energy receipt that run produced — and the attestation itself verifies. The signature binds the cell's contents and the run it references; it does not, by itself, prove the host's OS or cloud, which are recorded as the operator ran them. What a host cannot demonstrate is marked unavailable, never faked.

This published matrix is signed with the project's development key, so it is operator-asserted: re-verify it yourself with the command below rather than trusting this page. An operator running the harness in production signs with their own key.

● verifying signatures in your browser…

Substrates

WasmMicroVmBareMetalWireTeeBrowser

Tiers

S0S2S5S6S7

Operating systems

macoswindowslinuxwasm

Clouds & hosts

locallocal gcpgroqcerebrassambanovagcp-ccbrowser

Accelerator classes

GpuLpuNpu
Substrate OS Arch Cloud / host Hardware Tier Conformance Attestation Sig
Wasm macos aarch64 local Cpu S2 5/5 passed b3:OQ6PvQTFrI… signed
Wasm windows x86_64 local Cpu S2 5/5 passed b3:trnc3Dfj_p… signed
Wasm linux x86_64 local Cpu S2 5/5 passed b3:w6EDzn5BtN… signed
MicroVm linux x86_64 gcp Cpu S5 5/5 passed b3:q3XkUMV4ug… signed
BareMetal windows x86_64 local Cpu, Gpu S0 5/5 passed b3:X53ZR-wlqd… signed
Wire macos aarch64 groq Lpu S0 5/5 passed b3:LZeDE7EVIK… signed
Wire macos aarch64 cerebras Npu S0 5/5 passed b3:hbHQUFbsmQ… signed
Wire macos aarch64 sambanova Npu S0 5/5 passed b3:Ull7SQFmwZ… signed
Tee linux x86_64 gcp-cc Cpu S6 5/5 passed b3:vYkYg4wjzQ… signed
Tee linux x86_64 gcp-cc Cpu S7 5/5 passed b3:oTDgN9KiiP… signed
Browser wasm wasm32 browser Cpu S2 5/5 passed b3:luNrsltOh9… signed

Check it yourself

The ledger is the artifact. Each cell carries its own public key and signature; the verifier recomputes the canonical preimage and checks the signature — no trust in this page required. The browser cell was minted by a wasm32 build of the standard's core running inside a headless browser isolate, and it verifies under the very same native verifier as every other row.

cargo run -p sandbox-proof -- verify proof/matrix.jsonl
cargo run -p sandbox-proof -- show   proof/matrix.jsonl