{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004396},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890004020","489:4890003965","489:4890004405","489:4890004492","489:4890004415","489:4890004365","489:4890004544","489:4890004141","489:4890004452","489:4890004153","489:4890004498","489:4890004547","489:4890004731","489:4890004464","489:4890004500","489:4890004140","489:4890004033","489:4890004142","489:4890004394","489:4890004548","489:4890004589","489:4890004195","489:4890004513","489:4890004501","489:4890004730"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9069132894270399,0.9051298390683515,0.8999992780225314,0.8748270882650993,0.8716664733079187,0.8628515432786169,0.8495178779455439,0.8333892159589207,0.8317436059774386,0.8272353051569545,0.8184108968427237,0.8078072174620652,0.8002659064511033,0.7991759349002979,0.7976701425414776,0.7912172907578917,0.7843806235802913,0.778775907375183,0.776183311427736,0.7737994438633485,0.7697992348325873,0.7663542804203088,0.7649996180501049,0.7633942586235037,0.7488388122784388],"twin_dists":[0.05741229034086446,0.05798772293829365,0.059618279812508654,0.06716634006860603,0.06806920318111154,0.07054292156066448,0.07417329538193546,0.07841117717838632,0.07883521555682571,0.07998963153319942,0.08222003908625689,0.08485324381037221,0.08669765995649842,0.08696242122962551,0.08732745889169742,0.08888248689183957,0.09051439075329781,0.09184099719713838,0.09245139997483777,0.09301090967500045,0.09394613253737165,0.09474799316867735,0.09506243710324566,0.09543444910868797,0.0987783246221133],"n_dims_used":45,"mean_confidence":0.9200427585177952},"coverage":{"mean_confidence":0.9200427585177952,"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}}