{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011987},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011984","490:4900011538","490:4900011607","490:4900011809","490:4900012188","490:4900011408","490:4900011869","490:4900011547","490:4900011475","490:4900010442","490:4900010861","490:4900011923","490:4900011789","490:4900010444","490:4900011723","490:4900010709","490:4900010089","490:4900011121","490:4900011122","490:4900011801","490:4900011541","490:4900011537","490:4900011411","490:4900011201","490:4900010800"],"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":[0.5085772462472973,0.4342570302000425,0.37646167152441573,0.37300601669180217,0.36019195302876444,0.3372708195516855,0.3356158407169097,0.32710774195979353,0.3130717021119266,0.2881371850668891,0.2845277882009786,0.28207091349608276,0.2784851913471018,0.27680875650206627,0.2717432667169133,0.26828317229460347,0.26660767289521936,0.26426788847120164,0.2612730894405392,0.24199313644562478,0.23848288168782938,0.23797964384514345,0.23340995684170193,0.22287039642750722,0.2198521383440222],"twin_dists":[0.1510276863325728,0.16774623015199908,0.18154010247178362,0.18239490219770305,0.18559952039237887,0.19148177972760086,0.1919146034672569,0.1941582907731076,0.19793170424270146,0.20488239211920276,0.20591757492726812,0.20662673982867388,0.20766848435538912,0.20815833112658208,0.20964956926865186,0.21067805582740756,0.21117903867673185,0.21188193398497435,0.2127872968725734,0.21877941717168273,0.2199030697034113,0.22006503843887298,0.2215461496795548,0.22503653832297774,0.22605624034737817],"n_dims_used":45,"mean_confidence":0.9145072089301215},"coverage":{"mean_confidence":0.9145072089301215,"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}}