{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000975},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001765","490:4900001908","496:4960009933","496:4960010020","496:4960010264","496:4960010021","490:4900002060","490:4900001764","490:4900001102","496:4960010436","490:4900001229","496:4960010260","496:4960010259","490:4900000974","490:4900002515","496:4960010430","490:4900001628","496:4960010980","490:4900001909","490:4900001098","496:4960010344","496:4960010263","496:4960011133","478:4780009394","490:4900002815"],"twin_admin_codes":[490,490,496,496,496,496,490,490,490,496,490,496,496,490,490,496,490,496,490,490,496,496,496,478,490],"twin_sims":[0.650456586211044,0.5773275766542311,0.41663261117816863,0.3873285951185502,0.358758001953689,0.2952196216955935,0.294450660276157,0.2734943163698264,0.26680765340982876,0.2590868463969891,0.23417179742162553,0.22898040367713796,0.22132487351694063,0.2169742634003023,0.1922725619606986,0.1909593188440231,0.17716068757188225,0.16409166269560913,0.14640291153414103,0.1392706982617287,0.13720025942439262,0.13502138614008993,0.12985213406700225,0.12842097523094592,0.11982339961875778],"twin_dists":[0.1204519491688794,0.1361324340399102,0.17186183228770538,0.1788765291239266,0.18596169130047296,0.2028734042821192,0.2030901328752464,0.2091321600909846,0.21111914090224518,0.21345234181197814,0.22129791423874373,0.22300011867949832,0.22555752364715503,0.22703728584462593,0.23584586978898345,0.23633551783072215,0.24162924938639138,0.2469207476830537,0.2545932718330782,0.2578808809396603,0.2588586965480527,0.2598997214541863,0.2624209648314146,0.2631323486715462,0.26753742716007195],"n_dims_used":45,"mean_confidence":0.9175265842013889},"coverage":{"mean_confidence":0.9175265842013889,"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}}