{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009385},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009590","490:4900008420","490:4900010469","490:4900011049","490:4900010886","490:4900010813","490:4900008408","490:4900007860","490:4900008181","490:4900008626","490:4900007978","490:4900010463","490:4900009498","490:4900009782","490:4900010897","490:4900002270","490:4900008865","490:4900008532","490:4900008842","490:4900008183","490:4900007853","490:4900001810","490:4900011746","490:4900008632","490:4900009176"],"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":[0.5581944592478872,0.3588124401479237,0.2790317735948694,0.25614159655774926,0.25038110177826806,0.24615405656649775,0.2302009401365715,0.202971102048948,0.19829883688628433,0.19230003869110426,0.18454678599655222,0.18122978251628216,0.17948158860064248,0.1649556108020351,0.1628772344634239,0.16027736401598325,0.15725612754680696,0.15236089702317074,0.15063477588421303,0.15009297146520137,0.1404800101296859,0.13878147642075428,0.13739250692963864,0.1321271077644705,0.13040995632866154],"twin_dists":[0.14024615251606684,0.18594792841670033,0.207509163990232,0.21435388725236104,0.21613636436556757,0.2174610668858314,0.22259764987710914,0.2319408295155231,0.23362829150743256,0.23583564991509645,0.2387609031694147,0.24003879990962962,0.24071896532800088,0.24656177097594734,0.2474276706220335,0.24852218294290204,0.2498104226033386,0.25193663846272946,0.25269831380979724,0.25293871594667666,0.2573147650760991,0.2581109429196407,0.2587674401805071,0.2613022322436015,0.26214529266085407],"n_dims_used":45,"mean_confidence":0.9142525566948785},"coverage":{"mean_confidence":0.9142525566948785,"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}}