{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000664},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000923","490:4900000479","490:4900000783","490:4900000568","490:4900004031","490:4900000898","490:4900001880","490:4900000666","490:4900001849","490:4900001073","490:4900000929","490:4900000556","490:4900001034","490:4900003084","490:4900003081","490:4900001185","480:4800004285","490:4900001709","480:4800004368","494:4940008680","490:4900001704","490:4900003209","494:4940008389","490:4900004592","490:4900001567"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,480,490,480,494,490,490,494,490,490],"twin_sims":[0.7106251303141624,0.7084254768377254,0.6892281197516423,0.6625957592047872,0.6545817953762962,0.6053136779352825,0.603503011955298,0.5512656969169866,0.5463884651346826,0.5122867876210949,0.5052049376289285,0.49262698771838864,0.4903636324895697,0.4770030051521114,0.47076876049211336,0.46737443710009813,0.46300907456516677,0.46019614674734,0.45996563906657884,0.4583319563957433,0.4579160552647355,0.4559971708002378,0.4531929854438244,0.44898206869540774,0.4406227268704281],"twin_dists":[0.10735055116210791,0.1078365644605176,0.11205135050085942,0.1178341982411598,0.11956337671561686,0.13013507610110475,0.13052279329566216,0.14174042174315912,0.1427940405971208,0.1502138312423086,0.1517688958282832,0.15454551123758922,0.15504729999928774,0.15802395058019264,0.15942200547208965,0.16018579954762185,0.1611709029519247,0.16180739944614372,0.16185961867497412,0.16222998142658349,0.16232434347692054,0.1627601121263834,0.16339812977958154,0.16435895543244808,0.1662765023970189],"n_dims_used":45,"mean_confidence":0.9174881829155817},"coverage":{"mean_confidence":0.9174881829155817,"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}}