{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000604},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000548","480:4800000648","480:4800000366","480:4800000602","480:4800000611","480:4800000440","480:4800000353","480:4800000509","480:4800000546","480:4800001035","480:4800000662","480:4800000688","480:4800001130","480:4800000542","480:4800000837","480:4800000467","480:4800000996","480:4800000654","480:4800000437","480:4800000726","480:4800000365","480:4800000678","480:4800000480","480:4800000677","480:4800000616"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5725134839283209,0.5561147930003272,0.5451966924276225,0.4531543769336687,0.4450226497071705,0.4257776982696592,0.42428090375157085,0.4236574464280925,0.4232915665558008,0.4094623254025884,0.4051417678337528,0.39971558199776025,0.39519224571690753,0.39197193055232116,0.38877180346423607,0.3748723211368073,0.366067313594451,0.35881838368233127,0.358329124749196,0.350528690687894,0.34902288461423747,0.33854713652790014,0.3324753081615534,0.32774544863542626,0.32661493821611504],"twin_dists":[0.1371660273090138,0.14069436270008598,0.14305173909382865,0.16340692420130254,0.16526548665378027,0.16971747392699033,0.17006711124265544,0.17021289655804933,0.17029849331681232,0.1735572579756085,0.17458515127217242,0.17588305174555824,0.17697112768692103,0.1777492663674164,0.1785254845098062,0.18193276815181034,0.18412318895256002,0.18594642585679763,0.18607015605906643,0.1880547344116898,0.18844047754380353,0.19114876964888072,0.19273913734406564,0.19398901755238782,0.19428922580621782],"n_dims_used":43,"mean_confidence":0.9127104116040606},"coverage":{"mean_confidence":0.9127104116040606,"n_dims_used":43,"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}}