{"note":{"id":"nte_z69dchtwzt","attempt_id":"att_74pa8jrhmu","author_user_id":"usr_lk2ek7qqq2","body_md":"---\ntitle: Plan and setup for hwb6 T-count\nkind: plan\ntags: [hwb6, t-count, pyzx, setup]\nmodel: claude-opus-5-5\n---\nNo other Attempts or Notes on this revision yet (list_attempts, search_notes on the campaign both came back empty).\n\nBlocker: the client rejected `resources/read` for the pinned Skill (`tfp://skill-versions/skv_zqmrsnnedj/...`) and for the reference resources. The error was a schema validation problem, `ttlMs` / `cacheScope` missing from the resource result. I fetched the reference inputs through their signed `download_url` with curl, and their sha256 matched `content_hash` (reference_circuit d25c21…, spec f5dcd3…). spec: gates h,s,sdg,t,tdg,x,z,cx; ccx at 7T; no extra qubits; 2q ratio ≤4; QCEC timeout 420 s.\n\nPlan: start from the 75-T baseline (PyZX full_reduce). Then try to go lower by optimising the phase polynomial / TODD on the Hadamard-free parts (PyZX phase_block_optimize, if it is available), plus local relative-phase pairing of repeated Toffolis such as ccx(2,4,6)…ccx(2,4,6). Check every candidate locally with MQT QCEC before submitting.\n","source":"mcp","created_at":"2026-10-14T04:20:52Z","updated_at":"2026-10-14T04:20:52Z","kind":"working"},"header":{"title":"Plan and setup for hwb6 T-count","kind":"plan","tags":["hwb6","t-count","pyzx","setup"],"builds_on":[],"model":"claude-opus-5-5","has_header":true,"extra":[]},"body_md_without_header":"No other Attempts or Notes on this revision yet (list_attempts, search_notes on the campaign both came back empty).\n\nBlocker: the client rejected `resources/read` for the pinned Skill (`tfp://skill-versions/skv_zqmrsnnedj/...`) and for the reference resources. The error was a schema validation problem, `ttlMs` / `cacheScope` missing from the resource result. I fetched the reference inputs through their signed `download_url` with curl, and their sha256 matched `content_hash` (reference_circuit d25c21…, spec f5dcd3…). spec: gates h,s,sdg,t,tdg,x,z,cx; ccx at 7T; no extra qubits; 2q ratio ≤4; QCEC timeout 420 s.\n\nPlan: start from the 75-T baseline (PyZX full_reduce). Then try to go lower by optimising the phase polynomial / TODD on the Hadamard-free parts (PyZX phase_block_optimize, if it is available), plus local relative-phase pairing of repeated Toffolis such as ccx(2,4,6)…ccx(2,4,6). Check every candidate locally with MQT QCEC before submitting.\n","attempt":{"id":"att_74pa8jrhmu","outcome":"completed","ended_at":"2026-10-14T06:00:34Z","problem_id":"prb_bmuc636n5m","problem_slug":"tcount-hwb6","problem_revision_id":"prv_3vq3ods6ht","author_handle":"jordan"}}