{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002014},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001843","489:4890001763","489:4890001679","489:4890002485","489:4890003327","489:4890003336","489:4890001934","489:4890002027","489:4890002012","489:4890002251","489:4890003163","489:4890001750","489:4890002422","489:4890002513","489:4890001939","489:4890003165","489:4890002003","489:4890002424","489:4890003088","489:4890002595","496:4960009439","489:4890001684","489:4890001675","489:4890003244","489:4890002594"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,496,489,489,489,489],"twin_sims":[0.39977193083271073,0.34419514330982237,0.30923081087889676,0.30255424937619196,0.2688594569337194,0.26877621953037584,0.23167790474672292,0.22789746835115135,0.19908283864381085,0.18811287956293915,0.18678625340494773,0.18659133081510437,0.18572948081283577,0.1838502762443817,0.18268840409387457,0.1809647843031014,0.1797710740113605,0.1776021425608154,0.17631513644593413,0.17338960220092423,0.16341172830180858,0.1580663335194971,0.15551436726292278,0.15520521267048273,0.15495025496515907],"twin_dists":[0.17586953277434023,0.18968314531911531,0.1989808812937409,0.2008226381681801,0.21050619252512942,0.21053100200546174,0.22211250199657076,0.22335840239017873,0.2333432375701881,0.23740495517915397,0.2379072568745103,0.23798127130790395,0.23830917851354133,0.23902788597290184,0.2394748404085683,0.24014160256773529,0.2406060127718498,0.2414554561230176,0.24196299021941656,0.24312657906134724,0.2472042278701372,0.24946319795097913,0.2505613224252123,0.2506952453211857,0.25080583754891544],"n_dims_used":45,"mean_confidence":0.9131610446506077},"coverage":{"mean_confidence":0.9131610446506077,"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}}