{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004089},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002989","490:4900001372","490:4900001506","490:4900003954","490:4900004365","490:4900002695","490:4900002696","490:4900003252","490:4900001642","490:4900003120","490:4900003934","490:4900003251","490:4900003388","490:4900002992","490:4900001373","490:4900004500","490:4900004358","490:4900002988","490:4900002996","490:4900003125","490:4900002092","490:4900004362","490:4900003657","490:4900002687","490:4900004086"],"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":[0.3031153338711772,0.23276518064131083,0.2139550120930602,0.19147010526995292,0.17963569529714163,0.168087532387308,0.16517461954080226,0.15714070599349225,0.15266728569671922,0.1461376559922796,0.14107289411806734,0.13525893626037264,0.13478041318568698,0.13039618968246344,0.12950060671042196,0.12666795091928013,0.1166774596991629,0.11580216163956829,0.09296596527570387,0.07914680641352982,0.0750314578992029,0.07417258423114712,0.06915294625599148,0.06861370971628686,0.06409462024657367],"twin_dists":[0.20066696060936437,0.22175665708116218,0.22807598207923604,0.23614479078733833,0.24065881931145522,0.2452717024293281,0.24647098722539226,0.24985999418965232,0.2518021034836493,0.25471338947914185,0.25703854420060296,0.25978561553903007,0.2600156255070675,0.2621520853279069,0.2625951469644806,0.2640119408278583,0.26920960072597566,0.26968099055827305,0.28308597641022526,0.29251764535662145,0.2955806271839902,0.2962368833076622,0.300200297625119,0.30063982524520605,0.3044383668834332],"n_dims_used":45,"mean_confidence":0.9196720547146268},"coverage":{"mean_confidence":0.9196720547146268,"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}}