{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002613},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002149","490:4900001426","490:4900002757","490:4900003734","490:4900002345","490:4900003217","490:4900004174","490:4900003614","490:4900001694","490:4900002024","490:4900003481","490:4900003207","490:4900004012","490:4900002612","490:4900002000","490:4900002611","490:4900002460","490:4900001024","490:4900002614","490:4900001424","490:4900001564","490:4900003622","490:4900003868","490:4900002913","490:4900002760"],"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":[0.6754873629095245,0.6614396090417977,0.6592639870130413,0.6070479874510114,0.496209366275495,0.4917643037162131,0.46444571263464934,0.46427813306241317,0.45834220565445155,0.4555017683979177,0.45180804300297406,0.44850382159902913,0.4467450076820565,0.44440703972699513,0.43151040782106814,0.42833384069478336,0.4276963986277446,0.4274195079091755,0.427327408141583,0.4260936832543549,0.42357307989975357,0.42112139830905837,0.41765824516155087,0.4059193443842433,0.3973222595129334],"twin_dists":[0.11504282224693164,0.11808392274092416,0.11855360326004082,0.12976371352632685,0.15375267102084614,0.1547366887693575,0.16084635153356927,0.16088419142462665,0.16222765640415382,0.16287272329781252,0.1637137714469285,0.16446829179971412,0.16487076885934215,0.16540670922138315,0.16838302645317704,0.16912155660576286,0.16927002698755164,0.16933454757172794,0.1693560123093929,0.16964372801826058,0.17023263117197737,0.17080683841946648,0.17162035371363185,0.17439980208311587,0.17645805189597405],"n_dims_used":45,"mean_confidence":0.9164455837673611},"coverage":{"mean_confidence":0.9164455837673611,"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}}