{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700000440},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700000643","488:4880006346","470:4700000646","470:4700001008","481:4810002879","488:4880004370","470:4700001887","470:4700000239","470:4700001298","470:4700001290","481:4810002407","488:4880005678","470:4700002204","499:4990000994","470:4700001739","479:4790003659","481:4810002794","470:4700000550","470:4700000644","470:4700002545","470:4700002394","470:4700001441","472:4720001454","470:4700001010","472:4720000217"],"twin_admin_codes":[470,488,470,470,481,488,470,470,470,470,481,488,470,499,470,479,481,470,470,470,470,470,472,470,472],"twin_sims":[0.5960056892754244,0.4877970972277612,0.48521492611554257,0.47844885240850366,0.47051942160472626,0.46457302737447137,0.4568675092594255,0.45323983051533545,0.44806465133846474,0.44120800208836736,0.4411732646134067,0.43838701277959646,0.4266686117171899,0.4244987785255224,0.4244581381992451,0.420847300323591,0.41714280971862977,0.41603111987567915,0.41438470719193793,0.412904982680975,0.4116172037323983,0.4075416862217044,0.40698760964918407,0.40612691567565806,0.40053196949977093],"twin_dists":[0.1321283911379904,0.15561714159224985,0.15619137379382533,0.15770057046745653,0.1594780483607379,0.16081760671997253,0.16256238079323335,0.1633874595669619,0.16456873311901843,0.16614179304844753,0.16614978642579104,0.16679172865278566,0.1695096068036977,0.17001618585247755,0.17002568417304767,0.1708711220846093,0.17174167772429227,0.172003567899803,0.17239198094545846,0.17274163948183668,0.17304638481501264,0.17401359607342293,0.17414541967815703,0.1743503505450828,0.17568727206354814],"n_dims_used":43,"mean_confidence":0.9140998485476471},"coverage":{"mean_confidence":0.9140998485476471,"n_dims_used":43,"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}}