{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006594},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006356","490:4900006234","490:4900006355","490:4900007332","487:4870002609","490:4900006601","490:4900007087","490:4900006960","490:4900006237","490:4900007088","487:4870002342","490:4900006474","487:4870002515","490:4900005464","487:4870002344","490:4900006961","487:4870002335","487:4870002003","490:4900006477","490:4900006837","490:4900007467","490:4900008282","487:4870002336","490:4900007213","487:4870002176"],"twin_admin_codes":[490,490,490,490,487,490,490,490,490,490,487,490,487,490,487,490,487,487,490,490,490,490,487,490,487],"twin_sims":[0.016181887668429977,0.0020778193537706463,0.002067862163753537,0.00047118697214719517,0.0002126598534864563,0.00010695497458331529,0.00008691147814877345,0.00008415280819317005,0.0000637230437539975,0.000044198864686045706,0.000034510433082832413,0.000031577313240165075,0.000019555929846423537,0.000015848615659631126,0.000012020021171387794,0.000009170009028818482,0.000006692433809879452,0.00000505838230793347,0.000003793877135432129,0.000003708501111911482,0.0000036911680391583788,0.00000366754704991445,0.000002804105889148556,0.0000027853075321395614,0.0000026210354107215216],"twin_dists":[0.3729846363176178,0.45646536264385573,0.4566428335379521,0.5083472444110865,0.5340926746306023,0.5553741234981292,0.5616413291240103,0.5626092115982501,0.5708855924097647,0.5815944696870515,0.5887269063336287,0.5912662557097194,0.6047810740851302,0.6106153238675827,0.6182062939143592,0.6255468360478759,0.6339826244205508,0.6413870675009853,0.6489078929723253,0.6494992537299634,0.6496209066150822,0.6497875774344972,0.656718813242468,0.6568915546338341,0.658450614968771],"n_dims_used":45,"mean_confidence":0.9315397474500868},"coverage":{"mean_confidence":0.9315397474500868,"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}}