{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000434},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000429","480:4800000798","480:4800000405","480:4800000507","480:4800000471","480:4800000691","480:4800000309","480:4800000337","480:4800000728","480:4800000681","480:4800000724","480:4800000532","480:4800000565","480:4800000652","480:4800000336","480:4800000335","480:4800000967","480:4800000640","480:4800000465","480:4800000345","480:4800000683","480:4800000646","480:4800000612","480:4800000645","480:4800000397"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8206733882718791,0.7129740272473231,0.6535990102500243,0.6491123477280004,0.5831376025211585,0.5666941838268577,0.5659812591158615,0.558883010150677,0.5533906275936902,0.5338188211929622,0.5258088193817753,0.5240296641177334,0.517679710223318,0.5148596939412947,0.5057001976677005,0.5021541772079008,0.4923423664350508,0.4826989785803933,0.47483316761441563,0.47310592672030694,0.46474317679121263,0.4643791966128502,0.4619926117178701,0.4576224555376017,0.455128289309802],"twin_dists":[0.08165172360010488,0.1068307913703695,0.1197751572020006,0.12074129664580846,0.1348860313347415,0.13841665314417473,0.13856996902067956,0.1400978087527175,0.1412818522217928,0.14551725292943882,0.14725929646339037,0.14764701395566177,0.14903328564302062,0.14965022502997596,0.15165995925133974,0.15244057219507465,0.1546085746343482,0.15675178659788316,0.1585098577928949,0.15889717259919434,0.16077919507358548,0.16086137045039012,0.16140074561741877,0.1623909756460215,0.16295764925520612],"n_dims_used":43,"mean_confidence":0.91383574729742},"coverage":{"mean_confidence":0.91383574729742,"n_dims_used":43,"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}}