{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000163},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000402","500:5000000200","500:5000000125","500:5000000020","500:5000000558","485:4850007341","485:4850006837","500:5000000617","500:5000000335","500:5000000550","500:5000000246","500:5000000159","500:5000000250","485:4850007275","500:5000000061","485:4850006689","477:4770000073","500:5000000458","485:4850006921","500:5000000198","500:5000000512","500:5000000167","500:5000000299","500:5000000131","500:5000000057"],"twin_admin_codes":[500,500,500,500,500,485,485,500,500,500,500,500,500,485,500,485,477,500,485,500,500,500,500,500,500],"twin_sims":[0.690974327488,0.6684052884075212,0.6150631968950975,0.5991998870901092,0.5950622046494813,0.5895660290974352,0.5756944515749353,0.4880223396153378,0.47031220317692973,0.467246096655728,0.461246907626925,0.4590791580110668,0.4585424031745071,0.4558152988118228,0.44095803121608085,0.4302393773248419,0.4295036605352471,0.42684022099597385,0.4253353700505617,0.4241345138875998,0.4226144902133095,0.41840832320664545,0.4059895242921583,0.4027654999563219,0.4003667371760273],"twin_dists":[0.1116697982767386,0.11657789939119223,0.1280473211954476,0.13144427861661565,0.13233048258802907,0.1335080111471597,0.13648297552080185,0.15556709543232342,0.15952463161515346,0.16021471584621422,0.16156947760944756,0.16206052917498762,0.1621822457666033,0.16280144873617092,0.16619931885289085,0.16867826557465587,0.1688493224415332,0.16946958769679696,0.1698207444663134,0.17010133408825584,0.17045697550052924,0.17144391336345993,0.1743830812454802,0.17515256566469814,0.17572688215617835],"n_dims_used":45,"mean_confidence":0.9201819525824653},"coverage":{"mean_confidence":0.9201819525824653,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}