{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013068},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012763","490:4900012997","490:4900013037","490:4900012696","490:4900012273","490:4900013002","490:4900012946","490:4900012403","490:4900012890","490:4900013101","490:4900012272","490:4900012553","490:4900012959","490:4900012765","490:4900012264","490:4900012415","490:4900013100","490:4900012538","490:4900013098","490:4900012830","490:4900012888","490:4900013110","490:4900013274","490:4900013246","490:4900012487"],"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":[0.585062809203748,0.5129283673102932,0.46456456258009915,0.44188834526673554,0.40282899576285697,0.3908694135723591,0.38773505897634164,0.3681726230260826,0.350958734411366,0.3498058595679431,0.306657293467277,0.30075560577799654,0.2997786681908321,0.29948163899460856,0.29546918809702777,0.28639078689484543,0.2854426372021329,0.281370283893553,0.28003141298622436,0.2782019485147243,0.25185275766153087,0.2318865075330996,0.2300607616003186,0.2154357003151317,0.2114084113896027],"twin_dists":[0.13447323468651123,0.1500732243148324,0.16081951779569234,0.16598528977538562,0.1751373843787366,0.17801635507390215,0.17877759888802672,0.1835970878297657,0.1879447292064009,0.18823979384338566,0.1996880501305251,0.20132282297467727,0.20159523128922674,0.20167815749249127,0.20280313667113817,0.20538228503765357,0.20565445162930657,0.20682965666228367,0.20721827462581482,0.20775112020050535,0.21567852662012046,0.22204414522171978,0.2226438016925205,0.2275653627446582,0.22895980117426842],"n_dims_used":45,"mean_confidence":0.9089463127983941},"coverage":{"mean_confidence":0.9089463127983941,"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}}