{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002242},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001788","490:4900001935","490:4900002540","490:4900002241","490:4900002539","490:4900002391","490:4900001787","490:4900001786","490:4900002089","490:4900002088","490:4900002240","490:4900001933","490:4900002392","490:4900004619","490:4900004895","490:4900007044","490:4900007167","494:4940004803","490:4900012977","494:4940003837","490:4900003510","494:4940004438","490:4900012462","494:4940007636","490:4900013016"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,494,490,494,490,494,490],"twin_sims":[0.5169516894301761,0.2961779079879293,0.2788581031262111,0.20431796193929727,0.19128725632119828,0.16848630178810023,0.13225942353964001,0.11632629242774008,0.04297536722899551,0.04124869907763425,0.03078957039652267,0.00823501396465336,0.008170617224469661,0.005287295810702082,0.00335098835288879,0.0030995934003432055,0.0027997787005344357,0.0024699576801861895,0.002318511309588055,0.002295692209139917,0.002103103275171629,0.0020236719501339918,0.0018812103052464006,0.0016703835996117972,0.001491956208918197],"twin_dists":[0.1491924774548562,0.20260378098798457,0.2075597656739565,0.23145935563245973,0.23621302552496568,0.24510869167240168,0.2612376131881161,0.2693983939206506,0.3258337449699657,0.3279497041665168,0.3426609452461264,0.40237456268542754,0.4027035225003468,0.42053865779393834,0.4384490346444868,0.4414389437830502,0.4453091035679909,0.45003165623792407,0.4523970412781982,0.45276566760159764,0.45601820544554666,0.45744005487997413,0.4601238796331377,0.4644607280240441,0.46854521728714943],"n_dims_used":45,"mean_confidence":0.9164301554361979},"coverage":{"mean_confidence":0.9164301554361979,"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}}