{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004126},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001676","490:4900001414","490:4900002133","490:4900001684","490:4900001976","490:4900003720","490:4900003700","490:4900002598","490:4900003714","490:4900001973","490:4900001826","490:4900002741","490:4900002746","490:4900003046","490:4900001142","490:4900004675","490:4900004547","490:4900004959","490:4900004013","490:4900004009","490:4900004128","490:4900002298","490:4900004022","490:4900003036","494:4940008386"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.5810017997716411,0.4324806028501775,0.4180444837203817,0.41725096035747056,0.4061593645840225,0.38658964056903183,0.3858428071222665,0.3809754904206703,0.37626712225757836,0.3640911847866533,0.3623234838200498,0.3494168923513378,0.34215646921761017,0.3389773038536844,0.3315227499448192,0.3313576814583094,0.3302203633230963,0.3264593792043299,0.32424147654641833,0.315451625139473,0.31365582405861275,0.30714023254252276,0.3069390003050543,0.30383155658942845,0.30087439565354884],"twin_dists":[0.13534409996477187,0.16815790348980433,0.1715294822074294,0.17171621574149318,0.17434262097279116,0.1790565109582845,0.17923857752997993,0.18042929577253275,0.18158812430705043,0.1846183936248494,0.18506251912244126,0.1883394602465382,0.19021067618577217,0.19103668502447077,0.1929900659533263,0.19303358934629822,0.19333378786274766,0.19433057959756891,0.19492137847714835,0.19728528293068903,0.19777279045455723,0.19955508507221265,0.19961047461518494,0.20046848175197385,0.2012897349901031],"n_dims_used":45,"mean_confidence":0.923536851671007},"coverage":{"mean_confidence":0.923536851671007,"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}}