{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009840},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010024","490:4900008779","490:4900011690","490:4900011704","490:4900011691","490:4900012162","490:4900009635","490:4900010565","490:4900008212","490:4900011693","490:4900008117","490:4900011776","490:4900011706","490:4900009015","491:4910005662","490:4900010924","490:4900007894","490:4900011563","490:4900007895","490:4900008228","490:4900009929","490:4900010998","490:4900010319","490:4900010915","490:4900008007"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3319807600795776,0.24217794319082572,0.23475311111231115,0.20752929422752797,0.20309365318686348,0.20296079193549058,0.19916118476887532,0.19032171123839686,0.15621710043164264,0.14776024964023848,0.14114117568272316,0.1404161109344788,0.12101510820553683,0.11511959396289898,0.11475519543745451,0.10216427722752991,0.10030396012998632,0.09845751016947335,0.09795338400892067,0.09279851156291526,0.08802342733315224,0.08738690087015287,0.08710701659760686,0.086515304597358,0.08467557959078673],"twin_dists":[0.19286936505665658,0.21872055332352267,0.22110885696560714,0.23032007432695437,0.23189692960360117,0.23194452360399942,0.2333147944524818,0.23657410013690233,0.2502576275424299,0.25398112440185233,0.2570067878144028,0.2573445871243414,0.2669127607767438,0.27005048853747554,0.2702484402245424,0.2774073568126295,0.2785224983255352,0.2796454488586846,0.279954908712438,0.2831933776230357,0.2863225730784482,0.28674980276062756,0.2869384412490406,0.2873388398473332,0.2885978288883765],"n_dims_used":45,"mean_confidence":0.8881781684027777},"coverage":{"mean_confidence":0.8881781684027777,"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}}