{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002060},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002515","490:4900001909","490:4900002214","496:4960010980","490:4900001908","490:4900002517","490:4900002815","496:4960010260","490:4900001765","496:4960010259","490:4900003365","496:4960010597","490:4900001102","496:4960011056","490:4900003497","496:4960010344","490:4900002365","490:4900003629","496:4960011133","490:4900000975","490:4900001229","490:4900002516","490:4900002061","496:4960010676","498:4980003651"],"twin_admin_codes":[490,490,490,496,490,490,490,496,490,496,490,496,490,496,490,496,490,490,496,490,490,490,490,496,498],"twin_sims":[0.9201483799923157,0.7556226143072865,0.7517613442743131,0.7270309152494706,0.677322926104977,0.6609989656982006,0.6399052227335152,0.6069301838278348,0.5963443769388062,0.5079839646053951,0.4212133698907258,0.4188542939573587,0.4138920505251743,0.3965184786905982,0.3707968181126355,0.3700694599654645,0.3415320178799652,0.31914517276502646,0.2947345953294802,0.294450660276157,0.1634630754290064,0.15158478992789498,0.14357371719688838,0.13886744830094272,0.11590724907153646],"twin_dists":[0.052985078870951614,0.09722616379511655,0.09811093338896511,0.10370236323629912,0.11464425295418054,0.11817907600549765,0.12272076686715228,0.12978893845718198,0.13205584799157266,0.15115799137797756,0.1707852724601525,0.17133907188340985,0.17250833540452326,0.17665151698305753,0.1829434199110064,0.18312436832800755,0.19037259542057475,0.19628750624917513,0.20301006806944397,0.2030901328752464,0.24718279031108054,0.25227831768711856,0.25588284450371596,0.25807046988540217,0.2696242517541399],"n_dims_used":44,"mean_confidence":0.9146545583551581},"coverage":{"mean_confidence":0.9146545583551581,"n_dims_used":44,"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}}