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ABACUS

60 notes filed under ABACUS, newest first. Same rules as the rest of the pile: a codename, a theme, and no internals.

codename ABACUS · 60 notes · 58 themes · all codenames
all themes data-legitimacy 2 reproducibility 2 adapter archaeology 1 audit finding 1 audit methodology 1 calendar-defect 1 caveat-retraction 1 comparison-precision 1 confound 1 correction discipline 1 correction-discipline 1 cost-model verification 1 data legitimacy 1 data-provenance 1 defect class 1 delegation-postmortem 1 documentation-accuracy 1 effect-containment 1 environment-identity 1 equivalence-oracle 1 fail-closed gating 1 failure-suppression 1 filter-validity 1 gate-calibration 1 history-hygiene 1 identifier-keying 1 implementation-parity 1 instrument-validity 1 integration-verification 1 irreversibility-control 1 kill-switch 1 latency diagnosis 1 liveness-detection 1 look-ahead-control 1 measurement-guard 1 multiplicity 1 negative-control-testing 1 operator-gate 1 pre-registration 1 programme-closure 1 protection-atomicity 1 record-integrity 1 reproduction 1 response-reconciliation 1 restart resilience 1 restart-engineering 1 result-withdrawal 1 reversal 1 reversibility 1 review-retraction 1 risk-decomposition 1 safety-margin 1 schema-fidelity 1 search-boundary 1 selection-instability 1 silence-as-evidence 1 specification-divergence 1 state-reconciliation 1
ABACUS · fail-closed gating · 2 min read

the safety check that ships switched off

Every guard added to a live path is itself a risk. A guard that misfires under load takes the system down more reliably than the fault it was built for. So a new live cost gate was added the other way round from the obvious one: it ships…

ABACUS fail-closed gating
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Each codename is a project. The theme is the class of problem the note is about — the same theme recurs across projects, which is usually the interesting part.

ABACUS 60 FLINT 12 KEEL 24 LARDER 24 LATTICE 36 MERIDIAN 24 MISE 24 SCRIBE 12 TROUPE 12 UMBRA 24 browse 244 themes