{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003839},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003309","490:4900001419","490:4900001008","490:4900002484","490:4900005898","490:4900001155","494:4940008671","490:4900000769","490:4900001399","490:4900002283","490:4900001284","490:4900003859","490:4900006760","494:4940008629","490:4900006746","490:4900000921","487:4870001093","490:4900006399","496:4960009168","490:4900000900","487:4870002116","490:4900001006","490:4900006385","490:4900007009","494:4940008932"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490,487,490,496,490,487,490,490,490,494],"twin_sims":[0.28750154604763284,0.22941396341348472,0.20012290584410394,0.19310791419262568,0.1732113759028649,0.1678478861178291,0.166101964757804,0.1595391173204806,0.15504429117853893,0.15301744072003992,0.15203521010273452,0.15075059595484655,0.14586856401245402,0.14489244037034574,0.1388875999115809,0.1372116230420791,0.13654838654124962,0.13094382617797426,0.12856567837544544,0.11776846490633967,0.11560659542339019,0.11466285168439651,0.11407660688930873,0.11374929443670727,0.11234291605113614],"twin_dists":[0.20506412821643305,0.22285699160730335,0.23296627432251651,0.23553561694568642,0.24319791749647673,0.24536980002281658,0.24608754346983466,0.24883532431351676,0.2507650322587127,0.25164859317361293,0.252079865271512,0.2526470062791908,0.25483540938228016,0.2552794370405917,0.2580609858064951,0.2588532997874143,0.2591688428390822,0.26188228963479554,0.2630601497888657,0.2686258256499257,0.2697866860350963,0.27029868074053537,0.2706183610458608,0.2707973954614664,0.2715712072251743],"n_dims_used":45,"mean_confidence":0.9222075568305121},"coverage":{"mean_confidence":0.9222075568305121,"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}}