{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005018},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003641","490:4900004746","490:4900005418","490:4900004467","490:4900004332","490:4900004607","490:4900005940","490:4900006312","490:4900007037","491:4910001453","490:4900003372","490:4900005558","490:4900004615","490:4900002682","490:4900004062","490:4900009116","490:4900004917","490:4900005293","490:4900005019","490:4900004745","490:4900006322","490:4900005028","490:4900005153","490:4900005286","490:4900005029"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.2657413344602976,0.2512872841797637,0.20133530893091645,0.16708452943116023,0.09229977225198517,0.07839416298443995,0.026719049893626813,0.013898228852234684,0.011815356989226766,0.010546802759912833,0.006683753492169096,0.006335745235024909,0.005754338838744111,0.005527267496471472,0.002429054217604552,0.0023866944528089223,0.0022886382358384165,0.00218213232755185,0.002011256560068124,0.0018394148436206477,0.0018171902631155675,0.0017640568423701003,0.0016962945481798148,0.0016717210899366676,0.001657062286236508],"twin_dists":[0.2114388459642302,0.21585424510315104,0.23252854984614116,0.24568294872900096,0.2835141677167267,0.2930680933048613,0.34957128988639385,0.37980211670784386,0.38694556164372945,0.3918652490987596,0.4110307181624692,0.41321922298295566,0.41712972619566036,0.41875456978311415,0.45065710913640594,0.4513150933252854,0.4528803000228183,0.4546517105699221,0.45766691685804256,0.4609467780262438,0.46139138714201194,0.46247497439337737,0.4639013819890407,0.4644316601746072,0.46475141874510284],"n_dims_used":44,"mean_confidence":0.8945872566916726},"coverage":{"mean_confidence":0.8945872566916726,"n_dims_used":44,"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}}