{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002540},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002701","489:4890002380","489:4890002618","477:4770001216","477:4770000969","477:4770001212","477:4770001213","489:4890002539","489:4890003112","471:4710001251","477:4770003929","477:4770004023","471:4710001161","489:4890003271","489:4890002461","471:4710000811","473:4730003574","469:4690008799","476:4760000057","489:4890003272","475:4750010516","481:4810005454","477:4770001091","489:4890002705","473:4730000876"],"twin_admin_codes":[489,489,489,477,477,477,477,489,489,471,477,477,471,489,489,471,473,469,476,489,475,481,477,489,473],"twin_sims":[0.3208455004602058,0.1745048605881758,0.13296779906355294,0.08843542209774403,0.07633248347539567,0.0681690423128139,0.06308173688745435,0.056775678691290334,0.0378665508451331,0.031609734781901724,0.029052199773643022,0.028900407106497165,0.026871281984661603,0.02387650394929432,0.023430218240134304,0.020462383901764494,0.019429864450089,0.01892447206994168,0.01889852610874535,0.018403206589455573,0.016870926573299985,0.016782523176238705,0.016488596237000774,0.016357164667621167,0.015341785548168587],"twin_dists":[0.19583036432315232,0.24268136123597303,0.2608924889718111,0.28604735312304946,0.29459797839424773,0.301004388947505,0.3053196438253268,0.3110838152852495,0.3323207266526274,0.34136441801593176,0.3455081756400124,0.3457638207726021,0.34929704833788955,0.3549572334923295,0.35585271617634806,0.3622155915393219,0.36461873109729476,0.3658359082304435,0.36589915927405675,0.3671214470397555,0.37109409131486154,0.37133281435935933,0.37213454605687646,0.3724971135558874,0.37538782569246415],"n_dims_used":45,"mean_confidence":0.9194335089789496},"coverage":{"mean_confidence":0.9194335089789496,"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}}