{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003121},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002228","490:4900002976","490:4900002230","490:4900002380","490:4900001914","490:4900002081","490:4900002676","490:4900001771","490:4900001631","490:4900002686","490:4900001920","490:4900001773","490:4900002069","490:4900004222","490:4900001915","490:4900002526","490:4900003516","490:4900003117","490:4900002078","490:4900003138","490:4900002542","490:4900001497","490:4900001921","490:4900002528","490:4900003809"],"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":[0.623607194022713,0.5939067963024932,0.43690267362856017,0.4011518272746818,0.40114956804616386,0.38780245898885346,0.3688490013726754,0.348599524426649,0.3251544417390227,0.29526764651293347,0.27261691902612156,0.26179245189402395,0.23299151137340676,0.21274182628515925,0.2061845563816692,0.201905529913334,0.1911985154348016,0.19013842620612856,0.18617495569856365,0.1843149950532418,0.17544440235635667,0.1703275978709022,0.16717455739870174,0.16542624994535796,0.16266795406356363],"twin_dists":[0.1262169695362865,0.13257798358412906,0.16713436944735902,0.17553874347971354,0.1755392846409085,0.17876119897012996,0.18342838550649668,0.18854908709035723,0.19467791463299652,0.20285987975054737,0.20939116237660524,0.21262982343711676,0.2216827207517433,0.22849613497833393,0.2307956688340445,0.23232330508090537,0.23624615784704778,0.23664278567799016,0.23813955596679875,0.2388496732490154,0.2423078637819708,0.2443595743676719,0.2456459633906102,0.24636678838085133,0.24751530406096203],"n_dims_used":45,"mean_confidence":0.9163195292154948},"coverage":{"mean_confidence":0.9163195292154948,"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}}