{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000602},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000502","490:4900000340","490:4900000278","490:4900000200","490:4900000599","490:4900000089","490:4900000153","490:4900000132","490:4900000070","490:4900000397","490:4900000110","490:4900000139","490:4900000683","490:4900000601","490:4900000205","490:4900000065","490:4900000160","490:4900000725","490:4900000414","490:4900000218","490:4900000062","490:4900000068","496:4960008268","490:4900000219","490:4900000402"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490],"twin_sims":[0.6079123558684176,0.5790283454066887,0.48187863680608123,0.4269465011246874,0.4244030198222865,0.3713642401623967,0.34176102453916485,0.34035237412683583,0.2965758543604689,0.28315660055033054,0.2746574928809685,0.272585521564587,0.2704587167590803,0.2634194213884507,0.2607681184833642,0.255102889959432,0.24233709209388915,0.23803822875461825,0.23780221617333733,0.22406078943444033,0.22215594543601652,0.21942930688338208,0.21737916098142152,0.2026034223179654,0.19914482254880123],"twin_dists":[0.12957862857217983,0.1357674678067617,0.1569347101443639,0.16944480661013034,0.17003856686029775,0.1828023818060695,0.19031319600872182,0.19067890780785704,0.20249196592923932,0.20631290365201008,0.20878958313951088,0.20940044020776832,0.21003044219983363,0.21213778100092057,0.21294059516934633,0.21467339958017717,0.21866988520178623,0.2200461712255575,0.22012219732180227,0.22463690547566204,0.22527707411342837,0.22619983816476238,0.22689873311145978,0.23207264797420527,0.23332073402590237],"n_dims_used":45,"mean_confidence":0.9060046725802952},"coverage":{"mean_confidence":0.9060046725802952,"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}}