{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002243},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002480","480:4800002425","480:4800002378","480:4800002288","480:4800002521","480:4800002507","480:4800001526","480:4800001582","480:4800001363","480:4800002475","480:4800001990","480:4800002426","480:4800002474","472:4720003128","480:4800001929","472:4720002413","480:4800001241","480:4800002460","480:4800001540","472:4720003050","480:4800002239","480:4800002518","480:4800001242","480:4800002041","472:4720002675"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,472,480,472,480,480,480,472,480,480,480,480,472],"twin_sims":[0.3330645524207166,0.3280465640655881,0.3263580208683147,0.30182840511210546,0.2999123727775764,0.2639777957669095,0.26275864913182784,0.246094262325414,0.23112375569785248,0.22345077187390572,0.21132037019362998,0.20679936133974147,0.20234944381584574,0.17520535312088534,0.17394806637638657,0.1726321702993238,0.16180003110057625,0.16073518802476428,0.15991578761621186,0.15417784655604264,0.1541243951954988,0.15167299837066983,0.146091767269805,0.14162729828786075,0.13877298636744603],"twin_dists":[0.19258411158296201,0.19390915248336943,0.19435753055399305,0.20102427910605633,0.2015579186148032,0.21196935081874815,0.2123373875005124,0.21747990999120045,0.22229428735032553,0.22484152033948254,0.22899048527999222,0.23057796832205546,0.23216379887971259,0.2424027578430106,0.24290338201141276,0.24343011847336404,0.2478796102106621,0.2483285146057456,0.24867542108517565,0.2511416979232632,0.25116498531307413,0.252239419492177,0.2547341859773867,0.2567810319006148,0.2581149408029132],"n_dims_used":43,"mean_confidence":0.9137055153070495},"coverage":{"mean_confidence":0.9137055153070495,"n_dims_used":43,"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}}