{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002728},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003996","490:4900002587","490:4900002447","490:4900002743","490:4900001817","490:4900001968","490:4900002445","490:4900012853","490:4900003852","490:4900004133","490:4900004824","490:4900004968","490:4900002295","490:4900001670","490:4900001546","490:4900005110","490:4900005111","490:4900012914","490:4900004416","490:4900004827","490:4900002581","490:4900012359","490:4900004687","490:4900003721","490:4900003582"],"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":[0.587590574793033,0.5798327111439822,0.4696941295458612,0.4009730331856688,0.3747182328689942,0.34413311810711694,0.3370652185639719,0.3069401866292587,0.2970102147943067,0.2858718355570315,0.2840057519578152,0.27477255905800874,0.26928664667961477,0.25785050654224273,0.25699284319973914,0.2560114601507559,0.25041552751044055,0.2415947573119735,0.24033631519931806,0.23737901587067542,0.22986004541266575,0.22052815284192168,0.21695813877682146,0.21626175696819405,0.21551600757654987],"twin_dists":[0.13393137664922444,0.1355948918297371,0.1596636173693608,0.17558157494273585,0.18197088059126806,0.1896991705093085,0.19153548762743047,0.19961014801592367,0.20237001999694199,0.2055311829751143,0.20606794811806736,0.20875574243950432,0.2103789404688736,0.21382999532241898,0.2140926496477182,0.2143938729678426,0.21612563479315405,0.21890640627728153,0.2193084468581167,0.2202586449751579,0.22270991699207612,0.22582704284277774,0.22704280716214123,0.22728152291931777,0.2275377363567427],"n_dims_used":45,"mean_confidence":0.922090827094184},"coverage":{"mean_confidence":0.922090827094184,"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}}