{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001086},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000719","487:4870004412","490:4900001731","490:4900000932","490:4900000706","490:4900004451","490:4900003750","466:4660001139","490:4900001852","490:4900001070","490:4900001425","490:4900000106","469:4690002851","487:4870003701","490:4900002620","490:4900000247","490:4900001063","490:4900001354","490:4900001728","490:4900001084","490:4900006304","490:4900000191","490:4900003601","487:4870003824","490:4900000015"],"twin_admin_codes":[490,487,490,490,490,490,490,466,490,490,490,490,469,487,490,490,490,490,490,490,490,490,490,487,490],"twin_sims":[0.400145605497691,0.378963323777971,0.18982905990345667,0.16568477707012993,0.13029056896977598,0.12367878562605765,0.11786828179396254,0.10991383932186051,0.10909935242375936,0.10356244481213116,0.09934582299862367,0.09022026094953355,0.08852419886230298,0.08135161398861682,0.07531988697514483,0.07229185764342624,0.06923632573310537,0.06907444203407215,0.068249426638909,0.06751250066644686,0.06720706309341958,0.060917611298665825,0.060891314171858626,0.05945609468640692,0.05703107592582593],"twin_dists":[0.17577990425442436,0.18092367746990676,0.2367588248496353,0.24625985277138585,0.26220421816206596,0.26553330521732654,0.2685726229140537,0.272925510639329,0.27338479760312406,0.27657963705040156,0.2791031652555368,0.2848666693401277,0.2859881819954292,0.2909289749486301,0.2953616015672167,0.2976956569187608,0.3001325845796708,0.3002641121250091,0.3009383423021993,0.30154621396535136,0.30179974656562075,0.30724213761356817,0.3072658409430208,0.3085724424901046,0.31084036004601545],"n_dims_used":45,"mean_confidence":0.9172388712565104},"coverage":{"mean_confidence":0.9172388712565104,"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}}