{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002807},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003561","480:4800003689","480:4800003104","480:4800002806","480:4800003687","480:4800003633","480:4800002656","480:4800003385","480:4800003440","480:4800002861","480:4800003392","480:4800003625","480:4800003752","480:4800003621","480:4800002607","480:4800003334","480:4800002614","480:4800003632","480:4800002954","480:4800002901","480:4800003110","480:4800002606","480:4800002603","480:4800003693","480:4800003197"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.524777446343845,0.42528520981402307,0.4092787651982486,0.4073894424548427,0.3661063252013355,0.34672446837077675,0.3310580233846114,0.326122480758506,0.32424494970858986,0.3178080494812812,0.3130887120662952,0.30373829701115046,0.3008887825111111,0.29524580126226,0.2806818398126272,0.27999523478320715,0.26489699997138927,0.2629270546483767,0.2611016201212098,0.24494575245000952,0.24160110700314824,0.2386370725109685,0.23206318596456046,0.23206259655663913,0.22982235449021704],"twin_dists":[0.14748401966450245,0.16983245820846987,0.17360083046249758,0.17404980935964634,0.18411342646564943,0.18903095360491623,0.19311263013933241,0.19442017804491818,0.19492045155466053,0.19664796120648564,0.19792707420055852,0.20049431035062115,0.20128572816195067,0.20286603155015012,0.20702934264258105,0.20722879126354238,0.21169256245439175,0.21228648566555308,0.2128393303906988,0.21784241614551056,0.21890438115794578,0.21985348744303893,0.22198628133300422,0.2219864743215959,0.22272233651502188],"n_dims_used":43,"mean_confidence":0.9132291217182957},"coverage":{"mean_confidence":0.9132291217182957,"n_dims_used":43,"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}}