{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000710},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001026","495:4950001566","495:4950001507","480:4800001123","480:4800001118","480:4800001115","480:4800000982","480:4800000746","480:4800001184","480:4800001114","480:4800001065","480:4800000901","480:4800001016","480:4800000981","480:4800001021","480:4800000943","480:4800001061","480:4800000559","480:4800000902","480:4800001113","480:4800001020","480:4800001119","480:4800001176","480:4800000860","480:4800000421"],"twin_admin_codes":[480,495,495,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5796359795912306,0.4437118918808379,0.3298000704242591,0.3194042421373644,0.30329178617484104,0.29523804169657797,0.27737076254633136,0.2765448694481654,0.27223575836530617,0.2692564058418753,0.26506302932247733,0.2647611872882789,0.2637900151117978,0.2588696967458578,0.2581720658810336,0.2581388257846574,0.2566442684013013,0.252259416058946,0.2484412879903123,0.24815618176147825,0.2478852260343111,0.24664028747682284,0.24272176530841408,0.24180123442414533,0.24144785392820886],"twin_dists":[0.13563709856600914,0.16556626821523215,0.1934448688964638,0.19621776595509097,0.2006180370762492,0.20286821677137487,0.20799391435927145,0.20823560250281797,0.20950383841234835,0.2103879445525323,0.21164263205071202,0.2117334202402932,0.21202596882741703,0.21351859018421268,0.21373166184091041,0.2137418231459751,0.214199556900193,0.21555231465647842,0.21674248296579138,0.21683182305810134,0.21691679000857092,0.21730794894225688,0.2185475059331622,0.21884057179482358,0.21895326809207066],"n_dims_used":42,"mean_confidence":0.9001679193405878},"coverage":{"mean_confidence":0.9001679193405878,"n_dims_used":42,"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}}