{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011802},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011733","490:4900011669","490:4900011265","490:4900011988","490:4900011024","490:4900008833","490:4900011540","490:4900011671","490:4900010799","490:4900009883","490:4900010788","490:4900011737","490:4900010358","490:4900011180","490:4900010538","490:4900010798","490:4900011602","490:4900004793","490:4900011254","490:4900011867","490:4900009378","490:4900010715","490:4900011043","490:4900011868","490:4900009283"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3136151632758458,0.2830810343096946,0.18953371724574591,0.1687870712895035,0.16006965654064567,0.15418152414629527,0.10623931097323965,0.10021552047557018,0.09342038314599223,0.08731154732440717,0.07478861861110145,0.07148140770457878,0.0667440880124853,0.06248213959496137,0.06101660633799356,0.06024197976884669,0.05601720725359105,0.04496434238294483,0.04169658756820846,0.04108679427760974,0.04027371107262004,0.04011393213293159,0.038141941298227705,0.03781141953452342,0.035913685083149335],"twin_dists":[0.19778384700220744,0.20633472378631518,0.23686972735533052,0.24498592524825996,0.2486101797969667,0.2511400959087877,0.27501891461261185,0.27857591369750884,0.28279529013353766,0.286800542801213,0.2957655605179255,0.2983337626485204,0.3021858414108378,0.3058468086516143,0.3071529821714355,0.30785381359394953,0.311812192253409,0.3234831957395512,0.32739377288259,0.3281519174888291,0.3291777118004764,0.32938134274175507,0.33195272526904374,0.3323946702989207,0.33499748097369386],"n_dims_used":45,"mean_confidence":0.9090479532877604},"coverage":{"mean_confidence":0.9090479532877604,"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}}