{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003381},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003495","480:4800003620","480:4800003756","480:4800003500","480:4800003694","480:4800003386","480:4800002610","480:4800002614","480:4800003618","480:4800003440","480:4800003243","480:4800003504","480:4800003250","480:4800003032","480:4800002658","492:4920003108","492:4920003366","480:4800003389","480:4800003297","480:4800002896","492:4920003003","480:4800003444","492:4920003846","480:4800003435","480:4800003556"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,492,492,480,480,480,492,480,492,480,480],"twin_sims":[0.3163168906172516,0.19706665372813023,0.182513961595139,0.16350586197977193,0.16174920636994072,0.14896827801321602,0.10915717266611766,0.1043191209697071,0.10196160774014193,0.09362149899659727,0.09100725704442485,0.09002911593657126,0.08726138627383132,0.08676871650619629,0.08550875310707427,0.08033836062469718,0.07636367828048365,0.0712703134174499,0.06913532350994625,0.06871146107645766,0.0684826178150714,0.06844536017685389,0.06664234994585759,0.06632732676663743,0.0645353116350642],"twin_dists":[0.1970509503534268,0.2340778772194813,0.23954211879141682,0.24716493053822228,0.24790098751132256,0.2534397975803374,0.2733521055665185,0.27613531029786115,0.2775280702630213,0.28266699456859035,0.2843519390103813,0.2849922230981223,0.2868343385332091,0.2871670956881487,0.2880249864142009,0.2916547298827082,0.2945745835945005,0.2985009290786163,0.30021461767245594,0.3005599409118591,0.30074710156684265,0.3007776210615537,0.3022709776167057,0.3025352684654888,0.3040584893858948],"n_dims_used":43,"mean_confidence":0.9142393954964572},"coverage":{"mean_confidence":0.9142393954964572,"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}}