{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002491},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003623","490:4900002333","490:4900001453","490:4900001710","490:4900002028","490:4900001722","490:4900001199","490:4900001452","490:4900003216","490:4900001202","490:4900001201","490:4900002495","490:4900002343","490:4900003354","490:4900003330","490:4900001870","487:4870001961","490:4900001708","490:4900003895","490:4900003888","490:4900002020","490:4900004149","490:4900003490","496:4960012136","490:4900001571"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,496,490],"twin_sims":[0.768452993728937,0.7282777681282779,0.710945197666189,0.6897614430236699,0.6884860791417688,0.677458039803681,0.6723879095801828,0.6686233069050173,0.6456691720445268,0.6419318706504158,0.6136514576270929,0.6067485797992543,0.5994803104733469,0.5982682917130456,0.5922317428147094,0.56920776663325,0.5244403114322241,0.5182092307170805,0.5027579717790064,0.4871587082580948,0.4837958308280724,0.48324594617279354,0.47955741461642054,0.47829103524680233,0.477529860327075],"twin_dists":[0.09425987233497174,0.1034232798321156,0.10727977457234797,0.11193485316545009,0.11221338790271582,0.11461490273878235,0.11571515940272975,0.11653070373463384,0.12148201900295107,0.12228537878294386,0.12834966315168428,0.12982782476245608,0.13138422403792588,0.1316437910474619,0.13293683318987334,0.13787628347797226,0.1475574985668002,0.14891753252042225,0.15230754886785455,0.15575902213031448,0.1565073576060682,0.15662987546114066,0.15745284104877627,0.15773585271119522,0.15790607680676066],"n_dims_used":45,"mean_confidence":0.9168422275119358},"coverage":{"mean_confidence":0.9168422275119358,"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}}