{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003436},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003557","480:4800003437","480:4800003497","480:4800003496","480:4800003558","480:4800003143","480:4800003559","480:4800003382","480:4800002890","480:4800003108","480:4800003623","480:4800003498","480:4800002848","480:4800002799","480:4800003760","480:4800003102","480:4800003188","480:4800003145","480:4800003059","480:4800003144","480:4800003624","480:4800002843","480:4800003383","480:4800003279","480:4800003622"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.929045954282989,0.9265387407255706,0.9095252898738825,0.9052577309779054,0.883692864778109,0.8482350755839615,0.7777939419225148,0.7738808390402873,0.6719915817585809,0.6580976439819469,0.6321490296738722,0.5333416362627471,0.5078986216045736,0.5004854299283988,0.46469203818775995,0.45740985488626074,0.44214672880366124,0.4133962818351009,0.40898468902013047,0.40683829092117113,0.3635484848420324,0.3599643495926306,0.3497854256097471,0.3412468608971812,0.32260190806343547],"twin_dists":[0.049827502672185456,0.050734041810446884,0.056561040049358025,0.05794661107831992,0.06458451144364201,0.07451615226624653,0.09207242839455174,0.09299183286483714,0.11580107241224158,0.11880526872102515,0.12438560531679002,0.14562087818583008,0.1511767389071938,0.1528084465573597,0.1607907392242864,0.1624392347705525,0.16592587681740248,0.1726254854368087,0.17367065454998873,0.1741809585877378,0.1847546277795808,0.1856569565934696,0.18824502826042502,0.1904465887932451,0.19535956769291646],"n_dims_used":42,"mean_confidence":0.9123589651925224},"coverage":{"mean_confidence":0.9123589651925224,"n_dims_used":42,"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}}