{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005967},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006458","490:4900006702","490:4900005321","490:4900006448","490:4900004900","490:4900007554","490:4900005177","490:4900005042","490:4900005315","490:4900005579","490:4900005314","490:4900005176","490:4900005838","490:4900006703","490:4900005439","490:4900005311","490:4900007553","490:4900005188","490:4900006189","490:4900007309","490:4900005040","490:4900005448","490:4900006814","490:4900004487","490:4900002527"],"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":[0.3497795930731861,0.2694174022961512,0.24720570435125166,0.2145473984742731,0.15756164187502072,0.1434409481459169,0.13221243218816153,0.12020312204716467,0.11822789015388502,0.08989496179894779,0.08393208469193117,0.07886054556096096,0.06642107264950808,0.06407978669892979,0.0628684081203397,0.0611776678783639,0.059584078893696074,0.048186922805467776,0.048179165083879386,0.044227294603703594,0.04414382830602836,0.04190068746802115,0.03983417339036488,0.036243928146914295,0.03354330166639716],"twin_dists":[0.18824652236788675,0.21034001572847194,0.21713013852033905,0.22787141063089753,0.2496793374289768,0.255943823120296,0.2612605567788682,0.26733787220257305,0.268381236156258,0.2850804685463393,0.28911282127135246,0.2927265055820113,0.302456512911473,0.30445119056938735,0.30550672973081955,0.30700818283361975,0.3084548806740092,0.3198536051288056,0.3198620955773739,0.32434385253040177,0.3244420741674983,0.3271421061799895,0.3297395380361853,0.3345362804627936,0.3384180307820311],"n_dims_used":45,"mean_confidence":0.9196095784505208},"coverage":{"mean_confidence":0.9196095784505208,"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}}