{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":479,"cluster_id":4790000769},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790001192","479:4790000427","479:4790000428","479:4790000493","479:4790000768","489:4890003859","479:4790003407","489:4890003858","479:4790000698","489:4890004103","479:4790000904","479:4790002119","479:4790003406","479:4790003319","479:4790000902","479:4790002122","489:4890001650","479:4790001948","479:4790002376","479:4790001877","479:4790002638","489:4890004474","489:4890003987","470:4700007795","489:4890003924"],"twin_admin_codes":[479,479,479,479,479,489,479,489,479,489,479,479,479,479,479,479,489,479,479,479,479,489,489,470,489],"twin_sims":[0.8075860188609641,0.792494165162682,0.7862177354250433,0.6785877648673972,0.6758517000812181,0.6444328303752045,0.6389554271296138,0.6228833007734612,0.6190120959262067,0.5904265644216958,0.5733356750962085,0.5577556263733973,0.5176064847833453,0.4855145671589202,0.45048670169150196,0.44724582612807456,0.43587610735817905,0.435818423434085,0.43456695073274343,0.41874919587168374,0.40985420023008945,0.39112761504141424,0.39077481118224344,0.38937576177029115,0.3891204355814192],"twin_dists":[0.08490766576159454,0.08857594964671459,0.09007739184230924,0.11436943161156392,0.11496373496895325,0.1217478498458951,0.12292475544115006,0.1263720934474186,0.12720149759878246,0.1333236115855254,0.13698944133641636,0.14034070974975696,0.1490492949544764,0.1561246905911711,0.16401525225819122,0.1647561034647956,0.1673716088443595,0.16738494617967287,0.16767447776043387,0.17136377469019393,0.17346426568259382,0.17795377331715337,0.17803928923170817,0.17837876054546287,0.17844077571594572],"n_dims_used":44,"mean_confidence":0.9157867431640625},"coverage":{"mean_confidence":0.9157867431640625,"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}}