{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011485},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010634","490:4900009914","490:4900012016","490:4900011486","490:4900012085","490:4900012083","466:4660003551","490:4900011946","466:4660004631","490:4900003559","490:4900011948","490:4900012013","490:4900009598","466:4660004015","490:4900009384","490:4900012079","490:4900008069","490:4900005094","490:4900006269","466:4660004982","490:4900010633","490:4900011424","490:4900012284","490:4900006156","490:4900011943"],"twin_admin_codes":[490,490,490,490,490,490,466,490,466,490,490,490,490,466,490,490,490,490,490,466,490,490,490,490,490],"twin_sims":[0.5051794147213474,0.433844649658304,0.3507801923818318,0.3445182198470536,0.34234029964464296,0.2984696809662651,0.2757625732777784,0.2665979869259596,0.25850952673208194,0.25583067414729177,0.24760204302054054,0.2330126872843772,0.2297156097860277,0.20410535252167794,0.1835223609276458,0.1685499826739704,0.16811500596007056,0.1614427924460092,0.15581432971055903,0.15505507800942225,0.15005326400130733,0.14954845866264058,0.14876604269922192,0.1485195961849382,0.14392984194628888],"twin_dists":[0.15177451057818578,0.1678417357670322,0.18799039170703027,0.18959969818482542,0.1901630393189932,0.20196104347745947,0.2084649395503667,0.21118194050850275,0.21362854868752157,0.21444944263903015,0.21700565492056154,0.22167580554940985,0.2227575172221945,0.231535214053343,0.23915382772525196,0.24508268561845642,0.2452604627389811,0.24802997110995234,0.25043156745858347,0.25076035266928703,0.25295635951742484,0.2531809644879657,0.25353019449133485,0.2536404759247924,0.25571948879339873],"n_dims_used":45,"mean_confidence":0.9116570366753473},"coverage":{"mean_confidence":0.9116570366753473,"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}}