{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010593},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010851","490:4900011160","490:4900011159","490:4900010847","490:4900010673","490:4900010416","490:4900011228","490:4900010586","490:4900010507","490:4900010853","490:4900010508","490:4900011844","490:4900010849","490:4900010678","490:4900010996","490:4900011910","490:4900008344","490:4900011165","490:4900011007","490:4900010918","490:4900010427","490:4900011644","490:4900010501","490:4900011298","490:4900010252"],"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":[0.4920349797573582,0.4361039335800895,0.352586955741785,0.3516019356465575,0.29250418855177485,0.271823250574325,0.26479954935971534,0.2600456425334638,0.2492332815217056,0.24805557616153742,0.21659288882647784,0.2120902657785688,0.21207888353734966,0.20880563560871782,0.2036827540017005,0.17971321501342374,0.17705112592041583,0.15633144652571127,0.15241612679303684,0.1486796233652782,0.1430743093340256,0.14306773688166505,0.14047938960938333,0.13617797961933087,0.1357780166629907],"twin_dists":[0.1546766942035799,0.167318939075817,0.1875288662942517,0.18778032963553068,0.20364023848910895,0.20962589056670897,0.21172187809903117,0.21316024785248772,0.21649465029232037,0.2168633642565653,0.22716794836296597,0.22872245427298427,0.22872641207290081,0.2298706100064388,0.23168615694585468,0.24062857810989027,0.24167242961348093,0.2502083059565529,0.25191237245744896,0.2535688506034694,0.2561124321882687,0.25611545764001575,0.25731505462716325,0.25934556828546435,0.25953680012996283],"n_dims_used":45,"mean_confidence":0.8941669040256076},"coverage":{"mean_confidence":0.8941669040256076,"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}}