TFPT scientific source excerpt Original repository path: experiments/theory-contracts/atlas-defect-synthesis-20261024/COVARIANT-INSTRUMENTS.txt Original file SHA-256: 858d770e27f80aadb347194c4a9d1a8c869b12163d6cfe8433e4b12b1275ab10 Inclusive original lines: 201-244 Line numbers below refer to the original source. This bounded excerpt is source evidence; it is not a new proof/checker run. Conversation metadata and personal execution details are omitted where indicated. 000201 | 000202 | All endpoint Choi entries are consequently rational. Positivity follows 000203 | from the projector factors in 000204 | 000205 | J(I_a) = E_a^T tensor sigma_a. 000206 | 000207 | Explicit endpoint Kraus descriptions are 000208 | 000209 | p=1: M_a = sqrt(6/5) u_a u_a^T, 000210 | 000211 | and, for any orthonormal basis v_{a,1},...,v_{a,4} of the complement of u_a 000212 | inside H5, 000213 | 000214 | p=0: M_{a,r} = (1/2) v_{a,r} u_a^T. 000215 | 000216 | The checker verifies rationality, ranks, trace five, and both H5 partial 000217 | traces for the total endpoint Choi matrices without floating point arithmetic. 000218 | 000219 | Exact boundary of the result 000220 | ---------------------------- 000221 | 000222 | The theorem removes all finite instrument freedom except p once the native 000223 | H5, its fixed six effects, and actual G31 outcome covariance are accepted. 000224 | It does not derive p, one-Kraus minimality, physical time, transition rates, 000225 | spacetime propagation, an entanglement source, complete state tomography, 000226 | unmeasured GNS coherences, or any P2 or D5 carrier map. 000227 | 000228 | Reproduction 000229 | ------------ 000230 | 000231 | From the repository root: 000232 | 000233 | PYTHONDONTWRITEBYTECODE=1 python3 \ 000234 | experiments/theory-contracts/atlas-defect-synthesis-20261024/covariant_instruments.py \ 000235 | --output /tmp/covariant-instruments-normal.json 000236 | 000237 | PYTHONDONTWRITEBYTECODE=1 PYTHONOPTIMIZE=2 python3 \ 000238 | experiments/theory-contracts/atlas-defect-synthesis-20261024/covariant_instruments.py \ 000239 | --output /tmp/covariant-instruments-oo.json 000240 | 000241 | cmp /tmp/covariant-instruments-normal.json \ 000242 | /tmp/covariant-instruments-oo.json 000243 | 000244 | The checked repository result is covariant-instruments-results.json.