{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004098},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002860","490:4900003004","490:4900004235","490:4900003146","490:4900003674","490:4900003158","490:4900002558","490:4900003682","490:4900002257","490:4900002853","490:4900002714","490:4900004381","490:4900008706","490:4900005331","490:4900003005","490:4900008046","490:4900004099","490:4900003819","490:4900002861","490:4900004516","490:4900004940","490:4900004249","490:4900005609","490:4900004105","490:4900003827"],"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":[0.4459568606718029,0.22815975289446058,0.19769864947327417,0.13698029390550598,0.1350604864822905,0.12362438530716656,0.09663220195192761,0.08569170121489847,0.07470696697882508,0.06405900003315926,0.0629170242972056,0.06265866531893376,0.06247228741600739,0.061701770420004055,0.05886757835504739,0.057778960440734876,0.053777302487915235,0.05306229681128542,0.051128892142732044,0.05065806543062766,0.04663587259068971,0.046192278381293535,0.03476542704935268,0.03353325011710961,0.032369899924730244],"twin_dists":[0.16505131873494086,0.22327152369826345,0.233847039347037,0.2589632275953354,0.25988092946732566,0.2655612504417521,0.2807718955144406,0.28789979772563956,0.2958278508864827,0.30446916484598946,0.30546404842261027,0.30569117855416117,0.3058555052257902,0.30653915427205336,0.3091157289187578,0.31013258404128385,0.314011898044659,0.3147300543324474,0.31671301958407566,0.317205338375802,0.3215743308675952,0.3220752500545375,0.3366296535252449,0.33843296824667923,0.34018818074161244],"n_dims_used":45,"mean_confidence":0.927115715874566},"coverage":{"mean_confidence":0.927115715874566,"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}}