{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001104},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001231","490:4900002530","490:4900003667","490:4900002679","490:4900003380","490:4900004082","490:4900004081","490:4900001117","490:4900004075","490:4900003947","490:4900004488","490:4900004072","490:4900002078","490:4900003385","490:4900003935","490:4900002838","490:4900004214","490:4900001920","490:4900003138","490:4900004360","490:4900003946","490:4900002973","490:4900004213","490:4900004070","490:4900002828"],"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":[0.34696400656793097,0.2549470690224562,0.22591382462569257,0.18602622906815708,0.18376841501976346,0.13804017779016953,0.12986254490179389,0.11841517970029818,0.10382251156747194,0.09293018446222644,0.08694871438714948,0.08265974955188739,0.0820495774764965,0.08162246912761008,0.08132822415425206,0.08129035120225377,0.08055595746965094,0.07700093766646782,0.06975806603991992,0.06508551939021108,0.06164895996207765,0.06151685296117142,0.060152942706082915,0.05467381508259572,0.05361652507866924],"twin_dists":[0.18896931881990106,0.2147214020970704,0.2240176159369192,0.23819615454904816,0.23905931140294087,0.25846070384942743,0.2624158116849933,0.26828173551254464,0.27642663916068794,0.2831089126151119,0.2870453484176767,0.29000263434890733,0.2904332497435358,0.29073619868650163,0.2909456463338089,0.2909726488779946,0.29149825763181664,0.29409834214624925,0.29971037384585575,0.30358717380691025,0.3065862668202866,0.3067042655264806,0.3079348422679639,0.31312253456134964,0.3141726907844821],"n_dims_used":45,"mean_confidence":0.9121859232584636},"coverage":{"mean_confidence":0.9121859232584636,"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}}