{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002437},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002298","480:4800002501","480:4800002110","480:4800002163","480:4800002452","480:4800002390","480:4800002491","480:4800002157","480:4800002219","480:4800002115","480:4800001949","480:4800002404","480:4800002299","480:4800002175","480:4800002348","480:4800001948","480:4800002547","480:4800002218","480:4800001882","480:4800002397","470:4700006081","480:4800001890","480:4800001766","480:4800002204","480:4800002442"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,470,480,480,480,480],"twin_sims":[0.7934332014199915,0.7419121499948639,0.7329745240753527,0.7038348240191403,0.6503776148509623,0.6218716874912936,0.6167279408112659,0.5892817837509365,0.5480123407331084,0.5411057466801736,0.5057981014588452,0.49188827039169475,0.4843042764448985,0.4710830714080291,0.45804378036090393,0.4502349790478197,0.44973200531743895,0.41171701097113617,0.40255871314618746,0.3892109841384596,0.3735344130859499,0.3686598517912153,0.36323138770053665,0.35908642049423545,0.3544992744457619],"twin_dists":[0.08835015435175644,0.10035263708362656,0.10236949524035542,0.10884870199087547,0.12046895041987153,0.126588856342832,0.12769076918358144,0.13356892371806964,0.1424430638578673,0.14393709462076035,0.15163842786782256,0.15470921070252658,0.15639411121750954,0.1593513733049674,0.16229536119237825,0.16407272329721284,0.16418759368041422,0.17302275117074967,0.17520201403368452,0.17841878054579788,0.18226394556075448,0.18347554764315685,0.1848342763935031,0.1858786778410029,0.18704171599995567],"n_dims_used":43,"mean_confidence":0.9200909636741461},"coverage":{"mean_confidence":0.9200909636741461,"n_dims_used":43,"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}}