{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002931},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002336","490:4900002910","487:4870008688","490:4900003606","490:4900005249","490:4900000915","490:4900003590","490:4900001291","490:4900000675","487:4870010197","490:4900000678","490:4900003200","487:4870008689","466:4660007638","487:4870008690","487:4870003156","490:4900002905","490:4900001043","487:4870003699","487:4870002644","490:4900004025","487:4870005864","490:4900003065","490:4900001845","490:4900001550"],"twin_admin_codes":[490,490,487,490,490,490,490,490,490,487,490,490,487,466,487,487,490,490,487,487,490,487,490,490,490],"twin_sims":[0.7074888549647852,0.4890486265715624,0.379224338853479,0.36997384509811143,0.362865917860772,0.3437790817046795,0.3323156001935173,0.3321004406827565,0.31463799124017766,0.3144765721706434,0.30903755949714423,0.30571050384859566,0.2955543602699456,0.2765031569708762,0.2753466066253692,0.2709207564923826,0.26944049040744406,0.26787798485874537,0.26291271188567705,0.26022561386455856,0.25449653290462365,0.24253260649821912,0.23429228109707811,0.22839557776729863,0.22227441953450885],"twin_dists":[0.10804330370304349,0.155339155145304,0.18085947551683307,0.18314816803569225,0.1849261189671991,0.1897906708002047,0.19278118114127013,0.1928378402436194,0.19750596503714046,0.19754978524227534,0.19903386643687904,0.1999490758765057,0.2027791637125801,0.20824782086797286,0.20858704595472372,0.20989331775574546,0.2103331438251761,0.21079903049001747,0.21229082007858588,0.2131054957546007,0.21486029994683117,0.2186076688936431,0.22125870478742332,0.22319346586269526,0.22523715150824059],"n_dims_used":45,"mean_confidence":0.9057762993706597},"coverage":{"mean_confidence":0.9057762993706597,"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}}