{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010683},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010690","490:4900010429","490:4900011381","490:4900010859","490:4900010515","490:4900010249","490:4900010430","490:4900010334","490:4900010422","490:4900010594","490:4900010856","490:4900011517","490:4900010251","490:4900010333","490:4900010244","490:4900010504","490:4900009858","490:4900010060","490:4900010854","490:4900010500","490:4900010423","490:4900007789","490:4900011389","490:4900010507","490:4900010332"],"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":[0.37824062106924294,0.3489461170245189,0.3093976346630334,0.2576567275341492,0.23469383153270254,0.23295250950782193,0.22591118021706738,0.22018478000468306,0.1953163773486959,0.18111908445823938,0.16934346453479407,0.1609746156878482,0.15733940031501273,0.14170545596433348,0.13336266493943372,0.12968472898782105,0.1255147910727303,0.11607794078121955,0.10864643372787312,0.10319806420822711,0.09862184436166614,0.094084523576578,0.09241414236399417,0.09200199907455842,0.09194973225335362],"twin_dists":[0.18110155282971502,0.1884601664947032,0.19893515728150246,0.21388929069950569,0.22112812206399687,0.22169545827550882,0.22401849729616677,0.22594340187426445,0.234719857183432,0.2400817308611311,0.24475923367315738,0.24822739167618676,0.24977467485629481,0.2567447892238778,0.2607007082974887,0.2625038697320807,0.2645955895165877,0.2695321760299918,0.27364134683308505,0.27679450761653157,0.2795448402909412,0.2823724468659529,0.2834404838598419,0.2837063494897882,0.28374013301733986],"n_dims_used":45,"mean_confidence":0.8925118340386284},"coverage":{"mean_confidence":0.8925118340386284,"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}}