{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008863},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008633","490:4900008739","490:4900007861","490:4900008740","490:4900009090","490:4900009894","490:4900010382","490:4900008636","490:4900009294","490:4900010293","490:4900010550","490:4900008864","490:4900008407","490:4900008958","490:4900009699","490:4900008852","490:4900008738","490:4900008974","490:4900008290","490:4900008188","490:4900009285","490:4900008405","490:4900010896","490:4900009179","490:4900009815"],"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":[0.6276578703445717,0.5169566274243605,0.48702377877445585,0.47715807886092326,0.46918889819554216,0.453845297961615,0.42383065277171533,0.35866657705421046,0.32855288385575016,0.3086868002033495,0.3086789941685412,0.30621501280886826,0.2990002751190035,0.29257774693168664,0.2765195236350169,0.27444874948604314,0.2680975691664767,0.2639986685338175,0.2594771892068164,0.25890566128138526,0.2341024271554827,0.2333514802704867,0.23284413096359366,0.2324600175218478,0.2308613270158358],"twin_dists":[0.1253487371433584,0.14919139751174315,0.1557890171536668,0.15798925142229658,0.15977727432497546,0.16324958471410428,0.17017238610491847,0.18598480744765483,0.19377495197395947,0.19913008530667278,0.19913222734083283,0.19980992695342242,0.2018126495374951,0.203619410287653,0.20824302663152813,0.2088509962898804,0.21073345629376633,0.21196305899535378,0.21333334325036632,0.21350761564651108,0.22132049566248752,0.2215652254337826,0.2217308607147539,0.2218564207061808,0.22238047570589392],"n_dims_used":45,"mean_confidence":0.9105457729763455},"coverage":{"mean_confidence":0.9105457729763455,"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}}