{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002413},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002238","480:4800001977","480:4800002193","480:4800001753","480:4800002462","480:4800001754","480:4800001810","480:4800002239","480:4800001868","480:4800002284","480:4800001872","480:4800002234","480:4800001694","480:4800001693","480:4800002186","480:4800002504","480:4800001755","480:4800002233","480:4800002033","480:4800002464","480:4800001934","480:4800001925","480:4800002178","480:4800002135","480:4800002183"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6349356725890171,0.601873567522745,0.5297752226446388,0.43495773048203323,0.42672100849503614,0.42571805995013323,0.4240537283194218,0.3486940435295014,0.3461735921527939,0.34310718454683486,0.3135255480711489,0.3038892375401352,0.2857206309253022,0.2727350456035991,0.261624224166913,0.2562266932167292,0.25417054161957264,0.25168705385126805,0.2514784944717068,0.24363094923583872,0.2409025231672035,0.23838080126017014,0.23340243060866628,0.23076141316614818,0.2218179253275311],"twin_dists":[0.12378770472394926,0.1308717152484806,0.14639596814434871,0.1675840341197511,0.16949738722450064,0.16973139511269633,0.17012022215001155,0.18852483299269726,0.18917278312640948,0.18996445974370896,0.197808218197033,0.20045250909359655,0.20557459726573674,0.20935626230802123,0.21268080950035617,0.21432774740331717,0.21496089862516046,0.2157299922940824,0.2157947991251768,0.2182587574324809,0.21912738909672946,0.21993590660797183,0.22154860465054355,0.22241330696059902,0.22539105605376755],"n_dims_used":42,"mean_confidence":0.9115411667596727},"coverage":{"mean_confidence":0.9115411667596727,"n_dims_used":42,"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}}