{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011499},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011067","490:4900010992","490:4900011498","490:4900010908","490:4900011066","490:4900008325","490:4900010987","490:4900011149","490:4900011150","490:4900010312","490:4900011227","490:4900011432","490:4900010133","490:4900011292","490:4900010994","490:4900010578","490:4900011894","490:4900010216","490:4900009529","490:4900011147","490:4900011893","490:4900011892","490:4900010134","490:4900011581","490:4900011693"],"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":[0.44747702558564934,0.3701412282060892,0.3320495418212053,0.32712313034577084,0.2768779703462103,0.24545762216935318,0.21045640410805808,0.20251001313642317,0.1604730245527845,0.14720784513867355,0.13621386495188706,0.13547158968437883,0.13422221524978536,0.13300169284803406,0.10312786569304223,0.10310930445322526,0.10264925945552483,0.08727127354636778,0.08352544339174153,0.08218725145864123,0.08137822765386578,0.08022056031828653,0.075782004405221,0.07472947582957906,0.0722508680433239],"twin_dists":[0.16470318536781745,0.1831065063447164,0.1928512466455894,0.19415420392633134,0.2081380713857224,0.2176807189080183,0.2292920558884432,0.23210616267140727,0.24843936565586355,0.2542297503219724,0.25932843123471505,0.259683596057215,0.2602847082865768,0.2608760104568792,0.27683597072182886,0.2768469376906376,0.27711925016864075,0.2868276758158762,0.2893960291552172,0.2903358661951358,0.29091001040664893,0.2917395809972336,0.2950120876349297,0.29581067385775794,0.297727790505464],"n_dims_used":45,"mean_confidence":0.8867323133680556},"coverage":{"mean_confidence":0.8867323133680556,"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}}