{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009020},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009207","490:4900008798","490:4900009415","490:4900009023","490:4900008911","490:4900009209","490:4900008038","490:4900008255","490:4900006454","490:4900009147","490:4900009129","490:4900009018","490:4900008356","490:4900009130","490:4900005980","490:4900009210","490:4900007201","490:4900008685","490:4900009311","490:4900008909","490:4900009248","490:4900006832","490:4900006105","490:4900009313","490:4900006955"],"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":[0.008273859558086035,0.002692528786321317,0.0016339894135929953,0.0009112660023180964,0.0002609936640119844,0.0001675220022128753,0.0001371098848925129,0.00012718879200478633,0.00008757198212688852,0.00007394608728153115,0.00006945824540562067,0.00005520562001176341,0.000042881585421529163,0.000012513706377904562,0.000011299298209231209,0.000011281773184360814,0.000009941468483323231,0.000008838544250512161,0.000007149088654160077,0.000007060277418539704,0.000005921970776108193,0.000005133957884042657,0.000004180562063987571,0.0000029433955612100324,0.000002709591562104261],"twin_dists":[0.40217723919303267,0.446786148734958,0.46526003878102773,0.4859692885129912,0.5275850944674428,0.5415749258210644,0.5477787452216994,0.5500866995014366,0.5614139085178799,0.5664723850970541,0.5683336284875337,0.5751092713644279,0.5824713099458366,0.6171070963963217,0.6198910759027644,0.6199333098522146,0.6233649562992687,0.6265387666159955,0.6322240330336453,0.6325574525741623,0.637228381504448,0.6409969413121963,0.6463801135670721,0.6554724764803236,0.6575988576638377],"n_dims_used":45,"mean_confidence":0.8756108601888021},"coverage":{"mean_confidence":0.8756108601888021,"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}}