{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011029},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011923","490:4900011111","490:4900011408","490:4900011721","490:4900011040","490:4900012123","490:4900011857","490:4900011028","490:4900011034","490:4900011541","490:4900011117","490:4900011922","490:4900011027","490:4900009269","490:4900010627","490:4900011789","490:4900011461","490:4900011045","490:4900011741","490:4900010795","490:4900011870","490:4900011792","490:4900010949","490:4900012188","490:4900009370"],"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":[0.2603669491482919,0.253440343342198,0.18514817822947824,0.17700891916201114,0.16836650480288537,0.15827990091596258,0.15780538626349003,0.14974606901840937,0.14427196898561112,0.13735631108567195,0.12764378620795278,0.11624634211818904,0.11123891712338772,0.10764661532308903,0.10629390170822019,0.10060798107844851,0.09097687145020382,0.09067791866955649,0.08829738266274283,0.08707145233509177,0.0848426903217743,0.08233646651680818,0.0758406234236458,0.07557189495075889,0.07323543445054558],"twin_dists":[0.21306251446093608,0.2151865305400929,0.23853095056931573,0.2416890691302304,0.24515763363225887,0.24937188696292553,0.2495748884110238,0.2530929745324187,0.255562836123213,0.25878461438080985,0.2635211796518652,0.2694414376157169,0.27218389611644916,0.2742106270741745,0.2749874057920301,0.27833915780496665,0.28437174700878104,0.28456691040854015,0.286139452339702,0.28696244560909506,0.2884825740076788,0.29023046632088306,0.2949678751458362,0.2951707863244657,0.29695999033196974],"n_dims_used":45,"mean_confidence":0.9186726888020833},"coverage":{"mean_confidence":0.9186726888020833,"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}}