{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002400},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003118","490:4900001238","490:4900001931","490:4900001770","490:4900002677","490:4900001244","490:4900001775","490:4900003533","490:4900001774","490:4900002225","490:4900002678","490:4900001769","490:4900001236","490:4900001498","490:4900001929","490:4900001635","490:4900003401","490:4900001916","490:4900001776","490:4900002528","490:4900004495","490:4900002533","490:4900001913","490:4900002072","490:4900001921"],"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":[0.4247392782444663,0.4164648528815487,0.38688055860182047,0.3224007277465593,0.2823001368500813,0.26633227531384673,0.24589294412645102,0.2322240477530083,0.17383584589725207,0.17380380991203845,0.15355609998236255,0.14653670689181955,0.13781408693901223,0.1191029242986947,0.11696157447757088,0.11266727652960684,0.1074185025436299,0.09511397256896098,0.08848879863632184,0.08658272323790904,0.0832995862389677,0.08131500522629274,0.08052470404635947,0.07735821488265111,0.07697963178909306],"twin_dists":[0.16995998481373012,0.17190135406972762,0.1789856347281567,0.1954134203530024,0.20656041822379959,0.21126157096909962,0.21754337355153466,0.22193362274210018,0.2429481911624092,0.2429609867830526,0.2514129436969801,0.254532745361619,0.25856765776781093,0.2679173901332107,0.2690571748337255,0.2713920793144603,0.27434108483244984,0.2817216468277033,0.28601177116075444,0.28729310936227836,0.28955380468735964,0.29095506998146153,0.2915207108808802,0.293832725685654,0.2941142132414893],"n_dims_used":45,"mean_confidence":0.9173492431640625},"coverage":{"mean_confidence":0.9173492431640625,"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}}