{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005308},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005972","490:4900005176","490:4900007671","490:4900007553","490:4900005711","490:4900006813","490:4900007309","490:4900005961","490:4900005971","490:4900005042","490:4900005307","490:4900004622","490:4900005177","490:4900007672","490:4900005569","490:4900006819","490:4900007675","490:4900007554","490:4900006814","490:4900004770","490:4900005439","490:4900004767","490:4900007064","490:4900004764","490:4900005438"],"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":[0.3971779561862319,0.3412949861049766,0.1795145918349227,0.17345822022573143,0.15060513626305277,0.1485983082840991,0.1392118687274164,0.12246108962291573,0.10197451194373908,0.10131957174166104,0.08869398809007667,0.0559967850887038,0.038299828541998975,0.03531359754070003,0.03154521715683897,0.029434902310540034,0.029126937727073633,0.027320612364210174,0.02711874727895123,0.025074707746607926,0.023972268926914855,0.023452842782118465,0.02205453388506368,0.02079689375758175,0.020786001652209223],"twin_dists":[0.17649277158387836,0.19043409880394913,0.2407060814774657,0.24309912737592076,0.2527114486318865,0.25360523867716767,0.2579085142349844,0.2661610831627721,0.27752037871340984,0.2779117195074168,0.28587514583081863,0.31183191649740155,0.33174275599334546,0.3358448366513362,0.34146535872392375,0.3448686928104941,0.3453827251470543,0.3484953280646117,0.34885409088718655,0.35262277512725737,0.35476697039858357,0.3558069653237215,0.3587093407986803,0.36145969779043796,0.36148414336445056],"n_dims_used":45,"mean_confidence":0.908646986219618},"coverage":{"mean_confidence":0.908646986219618,"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}}