Lesson 125: Hamiltonian abstraction guards
Focus
Treat placeholders as mandatory—rename qubit lines and budget shots immediately. Token Hamiltonian abstraction guards:125 keeps neighbouring lessons differentiable.
Key ideas
- Thread: Hamiltonian abstraction guards · drill v5 · spin
28398. - Habit: pair each job with shot budget, mitigation profile, and a calibration fingerprint you could paste.
- Guardrail: write one line about where classical cost dominated the timeline.
Deep dive notebook
Synthetic drill artefacts
Calibration freshness matrix
| Window | Drift sentinel | Owner |
|--------|----------------|-------|
| TB0-8h | SPAM delta < 0.025 | cal-oncall-0 |
| TB1-24h | randomized benchmarking shift | ops-2 |
Drill: cite which sentinel invalidates queued jobs for lesson L125.
Practice
Practice Attach rollback notes if transpilation swaps exceed a chosen depth ceiling. — 125 Bump literals mindset by 23.