{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003482},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002475","490:4900004581","490:4900002454","490:4900004297","490:4900004443","494:4940008523","490:4900001989","494:4940008218","490:4900005526","490:4900006172","490:4900001036","487:4870011575","490:4900000780","490:4900005790","490:4900003483","487:4870011447","490:4900005533","490:4900006050","493:4930004594","490:4900005255","478:4780001249","490:4900004287","490:4900003619","494:4940008213","487:4870011475"],"twin_admin_codes":[490,490,490,490,490,494,490,494,490,490,490,487,490,490,490,487,490,490,493,490,478,490,490,494,487],"twin_sims":[0.5289545138198307,0.44244578991495703,0.3895146280573388,0.34876451639566697,0.27970801596089073,0.2767252582386809,0.27656224641410615,0.2638533222411026,0.24802221435884753,0.23752026992339273,0.23741854909723428,0.23731204986470217,0.23435169216454402,0.23371783811796562,0.23021042229708064,0.22659909411313875,0.2257355460639481,0.22430649603714772,0.22278717650121596,0.22237881151528305,0.22146440023788175,0.21704488563583663,0.2155230760484825,0.2141983173509134,0.21324443733283266],"twin_dists":[0.14657448857856,0.1658571272062987,0.1783450398843821,0.1885067515334085,0.2073123121683387,0.20818277620999098,0.2082305127965923,0.21200687819357716,0.21687382543833925,0.22021308441474324,0.22024589201281955,0.22028025059683679,0.22123937528767992,0.22144576683139136,0.22259452867833646,0.22378945174660292,0.22407705003057485,0.2245545942426235,0.22506452966244686,0.22520198597081037,0.22551039054133087,0.22701310696341923,0.22753530507403003,0.2279919141409542,0.2283218736162814],"n_dims_used":45,"mean_confidence":0.9156421237521701},"coverage":{"mean_confidence":0.9156421237521701,"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}}