{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010851},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010507","490:4900010593","490:4900010849","490:4900011376","490:4900010416","490:4900011091","490:4900011160","490:4900010511","490:4900011977","490:4900010996","490:4900011644","490:4900011910","490:4900011165","490:4900010508","490:4900011630","490:4900010423","490:4900011314","490:4900010847","490:4900008006","490:4900008227","490:4900010502","490:4900010853","490:4900011844","490:4900010673","490:4900011374"],"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":[0.5044153851159883,0.4920349797573582,0.44565606610463976,0.2970263192883602,0.26266172413016015,0.26055879573357743,0.22642407531214806,0.21816301135058186,0.20396527494370295,0.1985384132043236,0.19572769084495653,0.17904161077093939,0.17415556910942157,0.17100661995697342,0.16429900090823973,0.1642326640915815,0.16290024061806035,0.16258573917857852,0.16132330037035578,0.16060855762914208,0.1406729385715903,0.1382309766538124,0.1320114546301233,0.13138667252988942,0.131102345507865],"twin_dists":[0.15194262367775063,0.1546766942035799,0.16512025720627568,0.2023655007060891,0.21236669306986422,0.21300419569136628,0.22384768162584007,0.2266309979908024,0.23158522292346917,0.23354110188264185,0.23456863510713663,0.24089088519650742,0.24282058141459123,0.24408478670533007,0.24683447275815296,0.24686206741501787,0.2474180420728322,0.24754975282430974,0.24808031892968652,0.2483820415472023,0.25722478577761276,0.2583705468959035,0.2613587536845779,0.26166474083983454,0.2618043531797227],"n_dims_used":45,"mean_confidence":0.8930038452148438},"coverage":{"mean_confidence":0.8930038452148438,"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}}