{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010833},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011075","490:4900011076","490:4900011154","490:4900010140","490:4900007787","490:4900011072","490:4900011433","490:4900008120","490:4900010650","490:4900011887","490:4900008005","490:4900011151","490:4900010746","490:4900008666","490:4900009934","490:4900011889","490:4900008123","490:4900011562","490:4900010664","490:4900007774","490:4900011292","490:4900010749","490:4900010230","490:4900011228","490:4900007773"],"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":[0.3256638857522369,0.2755097233778662,0.2224612893128214,0.2188519327742879,0.20825147764206828,0.20062456973147755,0.1977241722945497,0.19132076132613274,0.17116369412060553,0.15059608919052642,0.1473996931735822,0.14664448543668077,0.1441304685950406,0.14316682966807737,0.1401815774119324,0.13900181692113178,0.13519412744777587,0.13193645822607183,0.12509082453262996,0.12007894263405704,0.11598063903480715,0.11195184492884644,0.11012000845574861,0.10758394001503029,0.10707722758857129],"twin_dists":[0.19454222422212353,0.20853914982143612,0.22517421024703257,0.22639622012523905,0.23006552643924028,0.23278493333991204,0.2338377278092989,0.23620051887590068,0.2440213331605355,0.2527154582283185,0.2541433254582783,0.25448401812002974,0.25562759267522817,0.2560698538914398,0.25745413177250787,0.2580072505462556,0.25981673117966836,0.2613954254982893,0.26481119479050624,0.2674030789482292,0.2695846504717748,0.2717877072473724,0.27280967024901004,0.2742464497152991,0.27453666201854704],"n_dims_used":45,"mean_confidence":0.886928219265408},"coverage":{"mean_confidence":0.886928219265408,"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}}