{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003006},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001667","489:4890003084","489:4890002926","489:4890001853","489:4890001844","489:4890003395","489:4890003388","489:4890003457","489:4890002751","489:4890003521","489:4890002426","489:4890002828","489:4890001835","489:4890003516","489:4890002839","489:4890001670","489:4890002996","489:4890003095","489:4890003572","489:4890001840","489:4890002580","489:4890002022","489:4890003598","489:4890002653","489:4890001929"],"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":[0.8491981355571186,0.8440899364008903,0.8392361891608504,0.8015514088600226,0.7709391855319503,0.7603651629445223,0.7511186385739909,0.7287661387424968,0.726843493619021,0.7252858671522235,0.7207602645217613,0.7064524182303031,0.6986941986625523,0.6980396633783439,0.6959006181227468,0.6938063389584829,0.6822897745418155,0.6821693847252713,0.6778488523714196,0.6684279857392275,0.6655409990535996,0.6517622224797482,0.6502182827855666,0.6490138659026459,0.6487829151236923],"twin_dists":[0.07425885309135406,0.07561689945256338,0.07689251885216472,0.08638482551216424,0.09368007754442782,0.09613458048974587,0.09825786765006714,0.10331389275637269,0.1037442902636943,0.10409250202077898,0.10510187890956432,0.10827193310247997,0.10997878890193358,0.11012243857825565,0.11059152624735367,0.11105026739490628,0.11356420366209151,0.11359041054288845,0.11452999869569902,0.1165729861490052,0.11719760851177732,0.12017081776943649,0.1205032510064155,0.12076249113272383,0.12081219257679726],"n_dims_used":45,"mean_confidence":0.9149831136067709},"coverage":{"mean_confidence":0.9149831136067709,"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}}