{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002535},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003137","490:4900001112","490:4900002383","490:4900001927","490:4900002548","490:4900002379","490:4900002997","490:4900004216","490:4900003516","490:4900002382","490:4900003809","490:4900003798","490:4900001928","490:4900004364","490:4900002549","490:4900004083","490:4900002976","490:4900003665","490:4900001237","490:4900002675","490:4900004222","490:4900002529","490:4900001110","490:4900003117","490:4900002377"],"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":[0.5255880756682569,0.4694552355086372,0.45845645611656344,0.4011598232738963,0.3929579890316639,0.3419867103386181,0.31872433396151,0.29955367717561215,0.28728056651238076,0.23913660385320773,0.2352526954236688,0.23266161663052454,0.21710419059506877,0.21584869101319185,0.1905521339042703,0.165074931345419,0.1639241522234533,0.16276839952010594,0.1571125621705768,0.14281940590842399,0.13946483043809826,0.13874730481972083,0.13723065542175267,0.13673721405229278,0.1335809514705213],"twin_dists":[0.14730738546065025,0.159717353859481,0.1622017401946741,0.17553682818012237,0.17751068669036277,0.19025467875889404,0.19640086202279328,0.201658041067784,0.20512736501382228,0.21969299907774667,0.22094662492353584,0.2217905044850094,0.2269928068573681,0.22742336426027482,0.23648781543619715,0.24651229929948967,0.2469905076036906,0.2474732336468372,0.2498720855104011,0.2562298458593965,0.25778975530922565,0.258127035105259,0.2588442617602679,0.2590788891742319,0.2605948728534237],"n_dims_used":45,"mean_confidence":0.9155809190538194},"coverage":{"mean_confidence":0.9155809190538194,"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}}