{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003938},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004213","490:4900004360","490:4900004071","490:4900004214","490:4900004070","490:4900003939","490:4900004079","490:4900004072","490:4900003380","490:4900004080","490:4900003936","490:4900003269","490:4900003941","490:4900003667","490:4900001234","490:4900004363","490:4900003385","490:4900002973","490:4900001232","490:4900003805","490:4900003940","490:4900001243","490:4900002681","490:4900003946","490:4900002546"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7882355900519123,0.7300480126045292,0.7141504195544167,0.6825734677056998,0.650125448343795,0.6270118384807978,0.6150386100919119,0.5531252893046623,0.4704347362118477,0.4527798475333066,0.4196369411179771,0.41319562652542796,0.3709961180789798,0.3511156536038266,0.32659463273088774,0.3262951382940592,0.30208976309213215,0.2870458093103828,0.28396564225495424,0.27682235944699024,0.26497678290559706,0.18328548095249692,0.16094045338594856,0.1457292311589323,0.12879787259952827],"twin_dists":[0.08959612722672557,0.1030265708641242,0.10657017497701268,0.11350244269651838,0.1205232355335314,0.12548723480144527,0.12805258693372099,0.14133909828135566,0.15949708502708237,0.16349225054429942,0.17115519717897204,0.17267291756697412,0.18289386984298436,0.18790460681244403,0.19429462319585053,0.1943742532194456,0.20095164086105466,0.2051945764429299,0.20607950865596084,0.20815434913357198,0.2116685667071581,0.2392449044618721,0.2482418135333302,0.2548986554246162,0.26294442599808726],"n_dims_used":44,"mean_confidence":0.9176301089200106},"coverage":{"mean_confidence":0.9176301089200106,"n_dims_used":44,"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}}