{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009345},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010060","490:4900010333","490:4900010244","490:4900010335","490:4900010332","490:4900009346","490:4900008582","490:4900008679","490:4900010249","490:4900010251","490:4900010062","490:4900010058","490:4900008351","490:4900010334","490:4900009957","490:4900008022","490:4900010068","490:4900009562","490:4900010154","490:4900008918","490:4900010504","490:4900010061","490:4900010057","490:4900010594","490:4900010429"],"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":[0.5410205745283954,0.493252796977914,0.46113501711098787,0.4305527302626758,0.2652415522482015,0.2632950948515819,0.2552500962110846,0.23558038466726652,0.206514830411627,0.18940955939949947,0.18897783826846032,0.18168109613369895,0.18020647631912862,0.1690060345521064,0.1384798009739154,0.1371401842586829,0.13532356692988717,0.13467986705502177,0.1224795637534668,0.12090429491450533,0.12015868928108056,0.10883332645379608,0.10822624914390451,0.10574846020615586,0.10415426425712816],"twin_dists":[0.14395554039072678,0.15440688858911558,0.1615948036224417,0.16860544605182945,0.21158896617357756,0.21217531370077072,0.2146280679938932,0.22084033549351784,0.23067866480229166,0.23691638527130132,0.23707879071892343,0.23986396300541468,0.2404363682405169,0.24489664893918428,0.2582531111632298,0.2588872327479293,0.25975459656214284,0.2600640325375052,0.2661515234670514,0.266970647962991,0.2673611979807813,0.2735353839605024,0.2738800962706085,0.27530279179233796,0.27623190112829227],"n_dims_used":45,"mean_confidence":0.8968717787000868},"coverage":{"mean_confidence":0.8968717787000868,"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}}