{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003035},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003584","490:4900004135","490:4900003720","490:4900004128","490:4900001832","490:4900003987","490:4900001414","490:4900004817","490:4900003848","490:4900003036","490:4900003988","490:4900003700","490:4900004957","490:4900001684","490:4900001976","490:4900004680","490:4900003310","490:4900004971","490:4900003867","490:4900003444","490:4900004547","490:4900004402","490:4900004672","490:4900004818","490:4900001992"],"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":[0.7741322567796678,0.7694204897874275,0.7553602540189361,0.668335429750416,0.6578391970725653,0.6285360372345989,0.608532660889301,0.6000652401025951,0.5789988052254795,0.5620647076657341,0.5464049977320449,0.5449020364096961,0.5405745584417481,0.484499307977356,0.47468152282579207,0.44481175196736855,0.44140502943436266,0.43500924771235366,0.4328482115315908,0.42539685728624027,0.4007120492958349,0.3880173693741727,0.38629680837352753,0.38098937399607435,0.3777772729153028],"twin_dists":[0.09293289535007979,0.09403444887350856,0.09728639181807967,0.11659302129085784,0.11886102276804884,0.1251604570260349,0.12944580357854593,0.13125895940764207,0.13577380601124048,0.13941266089900148,0.1427904664202425,0.14311546812425602,0.14405214312803624,0.15635068153061105,0.1585438438404723,0.16531385872792692,0.16609646007268333,0.1675721131871434,0.16807265727217496,0.16980638635249332,0.17564411111953426,0.1787089154905569,0.17912787906571748,0.1804258890158882,0.18121568132931262],"n_dims_used":45,"mean_confidence":0.9213243272569445},"coverage":{"mean_confidence":0.9213243272569445,"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}}