{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010410},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010843","490:4900011002","490:4900011305","490:4900011694","490:4900011702","490:4900011776","490:4900011906","490:4900010580","490:4900011905","490:4900011565","490:4900007774","490:4900011009","490:4900011839","490:4900011442","490:4900011577","490:4900011574","490:4900011962","490:4900011369","490:4900011829","490:4900011234","490:4900010998","490:4900011374","490:4900008346","490:4900010756","490:4900011179"],"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":[0.31865440648165255,0.28887989700152356,0.27794379260591606,0.15076787674973569,0.133966749513436,0.10937984579797255,0.10933086561195914,0.10558554209610374,0.10508787062451905,0.10139577237612714,0.0975985424473594,0.09658417313935078,0.09595480329784961,0.09506453577266975,0.09086634711409568,0.09030889471661296,0.08893315554218399,0.0885294974084607,0.0880713032199857,0.08514748795342374,0.08328406032256136,0.08080569022493005,0.07392630376661868,0.07128276531437852,0.07045276581260743],"twin_dists":[0.19641970561814648,0.20467034624744496,0.2078264816141196,0.2526393534873529,0.26040813749968994,0.27322632946054315,0.27325397872296725,0.27539723976794417,0.27568645685258447,0.2778660865654842,0.28017347992370395,0.28080176026459597,0.28119419126992146,0.28175277276016,0.2844438406653089,0.28480852167658843,0.28571621248114976,0.2859846519198346,0.2862905386575562,0.2882728229107691,0.2895646630701844,0.2913190936332857,0.29642619540966103,0.29849105723881403,0.29915216118323434],"n_dims_used":45,"mean_confidence":0.890102047390408},"coverage":{"mean_confidence":0.890102047390408,"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}}