{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000354},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000179","490:4900000435","490:4900000092","490:4900000050","490:4900000217","490:4900000066","490:4900000600","490:4900000072","490:4900000067","490:4900000113","490:4900000728","490:4900000183","490:4900000244","490:4900004188","490:4900000131","490:4900000402","493:4930000337","490:4900000132","490:4900000357","490:4900000190","490:4900002359","490:4900000848","490:4900000725","490:4900000166","490:4900000089"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,493,490,490,490,490,490,490,490,490],"twin_sims":[0.6562976756121731,0.5749656009105517,0.5193530215616035,0.4646631741752877,0.43819677635871834,0.4351129971892779,0.42610918750745935,0.419752320437855,0.3599391089491272,0.2758195551100588,0.2577489024053409,0.25459381857995383,0.21830449831327134,0.21655103620045074,0.1733155757495356,0.16912899468080708,0.15475548348844126,0.15212374784410312,0.1486881940773608,0.12172031862123371,0.11911928700250875,0.11019104822847964,0.10501214224846213,0.10086105180509558,0.09735851710629259],"twin_dists":[0.1191934835712819,0.1366394494182253,0.14866759636355556,0.16079725525047173,0.16683561670249727,0.16754810757989858,0.1696401101531717,0.17112810234200218,0.18566332726440346,0.20844822139704053,0.21386108215535835,0.21483029410099333,0.22658274001115974,0.22718229689274094,0.2431562031774178,0.24484655174156814,0.2508904127405279,0.2520409068878506,0.2535650161099295,0.2665453142348197,0.2679087413181207,0.2727697939399276,0.2757305590372606,0.2781868731865113,0.28032168195777013],"n_dims_used":45,"mean_confidence":0.9149966769748263},"coverage":{"mean_confidence":0.9149966769748263,"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}}