{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003423},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001661","490:4900003022","490:4900002873","490:4900002570","490:4900002414","494:4940008944","490:4900003542","490:4900003290","466:4660004992","490:4900003161","490:4900003015","490:4900002268","490:4900003295","490:4900001255","490:4900002563","490:4900001961","466:4660005192","490:4900003548","466:4660005303","490:4900002118","490:4900010623","490:4900002874","494:4940007660","490:4900002857","490:4900002707"],"twin_admin_codes":[490,490,490,490,490,494,490,490,466,490,490,490,490,490,490,490,466,490,466,490,490,490,494,490,490],"twin_sims":[0.30508390001946223,0.2870436221477348,0.22306358048264355,0.19371940588771264,0.18171881816803814,0.1431940250106185,0.11559661260785017,0.10921388987210302,0.10371246009985251,0.09747917711831929,0.09403971333124204,0.09268299025826848,0.09146725042010351,0.08849356736107913,0.08650443307537105,0.0791838555772838,0.07796324741888276,0.07736462208029429,0.07725906499450172,0.07300121331820747,0.07244054398313372,0.07156900143734066,0.07104003931449558,0.06897216788100105,0.06849759311250618],"twin_dists":[0.20012208483226948,0.20519520278657588,0.22497158698979586,0.23530909839770361,0.23984936356576358,0.2560573423525871,0.26979208501884006,0.273320050219674,0.27649134620399896,0.28024714542639984,0.2824009023558759,0.2832675597453933,0.28405271230019447,0.28600859305420545,0.2873462167232606,0.2924906580810698,0.2933851588838541,0.29382797129636407,0.29390633917183057,0.29714188375074513,0.2975792186914257,0.29826451425976536,0.29868374247401525,0.30034733722050005,0.3007348383976586],"n_dims_used":45,"mean_confidence":0.9223236083984375},"coverage":{"mean_confidence":0.9223236083984375,"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}}