{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001575},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001314","490:4900003360","487:4870005424","490:4900012409","494:4940007696","466:4660004172","466:4660012311","470:4700004934","466:4660011342","487:4870003839","466:4660007633","487:4870003680","490:4900012481","470:4700005104","494:4940007918","494:4940003859","490:4900006145","494:4940008215","466:4660005229","466:4660007353","494:4940005600","470:4700005839","469:4690002822","466:4660007735","490:4900001307"],"twin_admin_codes":[490,490,487,490,494,466,466,470,466,487,466,487,490,470,494,494,490,494,466,466,494,470,469,466,490],"twin_sims":[0.13475371457654775,0.042324198321698536,0.03802171098070584,0.025142000794261193,0.022577629872610912,0.01711977519090551,0.01664223432281242,0.01637888360365232,0.01603515531431449,0.011195147016890462,0.010164408631667917,0.009937085771513612,0.009184354002023887,0.008226332119073448,0.007764555298727418,0.007738557036741055,0.007683046630633347,0.007255701207265153,0.006837860488408382,0.006782879103857371,0.006353210109499101,0.006207793377966012,0.00602250562242077,0.005954221769650453,0.00519068313231988],"twin_dists":[0.2600284766686661,0.32662317040956934,0.33211311004412075,0.35249455136626534,0.35760537111853824,0.37042794983152655,0.3717139231820222,0.37243702356135505,0.3733963452889237,0.38928888697412495,0.3934516677244702,0.3944201360164806,0.39777457494721996,0.4024187777293947,0.4048330096959003,0.4049727277933488,0.4052724631424187,0.4076473522860145,0.4100942110644644,0.4104261327836295,0.41310684115138735,0.4140511817104971,0.4152837772354203,0.41574666458209547,0.42127768298234164],"n_dims_used":45,"mean_confidence":0.9053410847981771},"coverage":{"mean_confidence":0.9053410847981771,"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}}