{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000983},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001021","480:4800001065","480:4800000453","480:4800001185","480:4800000982","480:4800001060","480:4800000943","480:4800001016","480:4800000902","480:4800001119","480:4800000559","480:4800001123","480:4800000421","480:4800001114","480:4800000866","480:4800001020","480:4800001118","480:4800001184","480:4800000865","480:4800001061","480:4800001179","480:4800000746","480:4800001113","480:4800000981","480:4800001022"],"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":[0.9546182435660265,0.8820665328876338,0.8726079065239095,0.8579404428644889,0.8415241677872081,0.8335093240086017,0.7843603118690309,0.7616478201237202,0.7261426212776221,0.7258771303307497,0.7233956695119078,0.6623256169965305,0.6429762583099576,0.6172221009031353,0.5982684238451839,0.5690187557676805,0.5499570874770132,0.5475052366287755,0.5355268535780439,0.5213192465738739,0.4955400762035817,0.4540306957663192,0.45165023523624215,0.4254457386986155,0.4126669686072513],"twin_dists":[0.03958243851502514,0.06506382367755414,0.0678011891000644,0.07189478964579107,0.07629295348476402,0.07838017097876732,0.0905192162693407,0.09583839762910272,0.10390102419941584,0.10396037287597112,0.10451450287873368,0.11789255634214822,0.12206094324395662,0.12758492467435142,0.1316437627491983,0.13791690743440702,0.14202296593766836,0.14255264786188163,0.145146490965959,0.1482382491120089,0.15390066993589563,0.163207380112416,0.1637497600524542,0.1697949724860447,0.17279793289899698],"n_dims_used":42,"mean_confidence":0.9001165117536273},"coverage":{"mean_confidence":0.9001165117536273,"n_dims_used":42,"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}}