{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005250},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005251","490:4900005793","490:4900005652","490:4900006889","490:4900007626","490:4900005920","490:4900005522","490:4900007387","490:4900005534","490:4900005401","490:4900004717","490:4900006166","490:4900005112","490:4900005658","490:4900005784","490:4900007390","490:4900005532","490:4900003082","490:4900005656","490:4900005255","470:4700004512","490:4900009716","490:4900005394","490:4900005781","466:4660003682"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,470,490,490,490,466],"twin_sims":[0.7554497203404984,0.6969451630143447,0.5450544154671227,0.5367933612262273,0.5335598916544504,0.5082564962976538,0.5056273824957161,0.4378371960354424,0.4253783256290247,0.402361563122223,0.39483669111800695,0.3813485032232638,0.3735241009871307,0.37275545599550924,0.3429635398331876,0.3336310030594806,0.3302759054758758,0.3234289571755714,0.32189308255113586,0.2920617106272503,0.28785010123016513,0.2775210420491299,0.27669824589277936,0.2737200460348636,0.27227607539583426],"twin_dists":[0.09726585556677028,0.11036252920970428,0.14308251039658634,0.14487172310342974,0.14557347960070394,0.15109812911629683,0.15167597376864678,0.16691859335790413,0.1698107136582229,0.17524916864060544,0.17705689728446974,0.1803377865294657,0.18226650041614417,0.1824570325834984,0.19000163753644597,0.19243522356129614,0.19331911419265646,0.19513837682091922,0.19554939208961575,0.20376559262201943,0.20496444276022846,0.20794998403841725,0.2081906853514898,0.20906560869856478,0.20949191558438987],"n_dims_used":45,"mean_confidence":0.9135747273763021},"coverage":{"mean_confidence":0.9135747273763021,"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}}