{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003022},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003179","489:4890003094","489:4890001663","489:4890003230","489:4890003526","489:4890003469","489:4890003599","489:4890002352","489:4890002583","489:4890003229","489:4890001832","489:4890003334","489:4890003170","489:4890003451","489:4890001940","489:4890003391","489:4890003178","489:4890003439","489:4890002579","489:4890002399","489:4890003508","489:4890001661","489:4890001911","489:4890003228","489:4890002649"],"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":[0.666429741134671,0.6185016130620848,0.6129880601924638,0.6005134216521625,0.5896393094201564,0.5867621962349808,0.581553190010496,0.5777580739019724,0.5761630499584063,0.5560595257561736,0.5436112345582901,0.5429561881893371,0.5407585100615523,0.5405983175781918,0.5211696470707161,0.5168493722471862,0.5139294153497687,0.5124039317355195,0.49578490775176365,0.4908950532368471,0.4795245824253848,0.47887330194544486,0.4778582628586027,0.47729069671460655,0.47701422503334184],"twin_dists":[0.11700538949239928,0.1273108504220786,0.12849173222283314,0.13116298158043346,0.1334923077418291,0.13410893369706742,0.13522583019382936,0.1360400451636057,0.13638238400941938,0.14070627724750576,0.1433947184388777,0.1435364757066606,0.14401229919826528,0.14404699675536956,0.14827090250376068,0.14921485486364208,0.14985392530975075,0.15018815493550017,0.15384652411807187,0.15492942176093172,0.15746017539148194,0.15760569737374527,0.15783262431369985,0.15795957986757742,0.15802143990654433],"n_dims_used":45,"mean_confidence":0.9179636637369791},"coverage":{"mean_confidence":0.9179636637369791,"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}}