{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011424},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011486","490:4900012083","490:4900011484","490:4900011355","490:4900012013","490:4900011877","490:4900012216","490:4900011880","490:4900012085","490:4900011749","490:4900011283","490:4900011489","490:4900011946","490:4900011417","466:4660004380","490:4900011815","490:4900011948","490:4900012084","490:4900009914","490:4900011487","490:4900011352","466:4660004722","490:4900010475","490:4900009591","490:4900010899"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,466,490,490,490],"twin_sims":[0.5713551344535586,0.4740454313038349,0.47396900897898053,0.4662917203544422,0.4569439746637134,0.45084541875934697,0.3884191086273255,0.3883169088565655,0.3788428611746302,0.36838772001204867,0.36101696674027883,0.35848949770982375,0.3286294108877509,0.2983831414609228,0.27476615679977023,0.27035032331901626,0.2686189878217502,0.266970752891097,0.2624169744379373,0.258121979308452,0.25454659060920687,0.24408631885417995,0.23915205278247517,0.2289819461305229,0.22486038978181241],"twin_dists":[0.13741485630911987,0.1586864411971177,0.1587035776018992,0.16042983134755312,0.16254501521645282,0.16393337390795928,0.17861121683820452,0.17863606619942501,0.18095331491852842,0.1835434215633514,0.18539148148034612,0.1860295893119048,0.1937546783313137,0.2019852610831494,0.20875762510078916,0.2100626322182055,0.21057787898712269,0.21107031032049572,0.2124407240293855,0.21374697333139406,0.21484485972724762,0.21811439782147243,0.21968803915768878,0.22299960916638872,0.2243692607331571],"n_dims_used":45,"mean_confidence":0.9021075778537326},"coverage":{"mean_confidence":0.9021075778537326,"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}}