{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001915},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001289","480:4800001964","480:4800001916","480:4800001352","493:4930006247","480:4800001633","480:4800002212","493:4930004387","493:4930004244","480:4800001847","480:4800001854","480:4800001743","470:4700004551","493:4930003368","493:4930001513","477:4770003689","488:4880002936","480:4800003820","480:4800001791","494:4940000995","493:4930001010","468:4680006897","480:4800001678","493:4930005777","488:4880002938"],"twin_admin_codes":[480,480,480,480,493,480,480,493,493,480,480,480,470,493,493,477,488,480,480,494,493,468,480,493,488],"twin_sims":[0.39215883643598964,0.2541047593203435,0.2249479363333321,0.21403921094339703,0.20921742175149147,0.201724098200299,0.1917551879498399,0.14862230096232457,0.1484224365785551,0.1362774169122208,0.12659160059238536,0.1253135602130944,0.1225921186661877,0.11732333966357657,0.11634247923066868,0.10915888436142956,0.10532194301615508,0.10231927233889258,0.10100998717372565,0.10048300437391476,0.09871596305802968,0.09713441965990717,0.09599015865204195,0.09372661792260331,0.09272311964658445],"twin_dists":[0.17770402250916068,0.21498120852343375,0.22433999535000743,0.2280468820047198,0.2297259986168684,0.23238856613877373,0.23603849554639306,0.2535945005517407,0.25368399062152874,0.25929809027533857,0.2640504591640055,0.264697855034126,0.2660933040854839,0.26886350042543733,0.26938968202447916,0.2733511379643895,0.27555029548704624,0.277315165161504,0.2780973913655431,0.27841447274733694,0.2794872782000814,0.2804603086598557,0.2811720925616721,0.28260002374102255,0.2832417823452959],"n_dims_used":43,"mean_confidence":0.9210552836573401},"coverage":{"mean_confidence":0.9210552836573401,"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}}