{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002033},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001872","480:4800002284","480:4800002509","480:4800002511","480:4800001868","480:4800001805","480:4800001693","480:4800001812","480:4800002187","480:4800002330","480:4800002464","480:4800002139","480:4800001926","480:4800002086","480:4800002094","480:4800002192","480:4800001977","480:4800002462","480:4800001930","480:4800001430","480:4800002282","480:4800002512","480:4800001365","480:4800001311","480:4800002178"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.9440350989778988,0.8884539310329074,0.8379098998127806,0.8336958249034399,0.8202347964017087,0.8077360348503136,0.7992682187839922,0.7655124023721508,0.7601856013794013,0.743818551645186,0.7427179032522411,0.7387156521167371,0.7321809582051683,0.7259480533693853,0.7250066785291938,0.7161652235388277,0.71359806143143,0.6997842590190183,0.6940101871868306,0.6773949397548698,0.6758952874542372,0.6736330623861548,0.6638118561644885,0.6506387165665697,0.6488299513326652],"twin_dists":[0.04407777558034067,0.06316561096619468,0.07723868499702038,0.07833200983324834,0.08176207942280755,0.08487075919773926,0.08694002213854383,0.09494346679196769,0.0961760106812778,0.09992036237459075,0.10017002559972385,0.1010757667312394,0.10254782684653982,0.1039445197108505,0.10415487123304154,0.10612333229414804,0.10669256943400439,0.10973943723745207,0.11100563807736841,0.11462860991998154,0.11495427259774828,0.11544515841705413,0.11757142437570019,0.12041273818144461,0.1208020704381022],"n_dims_used":42,"mean_confidence":0.9110596066429502},"coverage":{"mean_confidence":0.9110596066429502,"n_dims_used":42,"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}}