{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000163},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000041","480:4800000042","480:4800000133","480:4800000168","480:4800000156","480:4800000136","480:4800000040","480:4800000167","480:4800000135","480:4800000001","480:4800000166","495:4950000152","480:4800000043","480:4800000002","480:4800000106","480:4800000024","480:4800000146","495:4950000173","480:4800000010","480:4800000227","480:4800000132","480:4800000245","495:4950000290","480:4800000131","495:4950000345"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,495,480,480,480,480,480,495,480,480,480,480,495,480,495],"twin_sims":[0.3667312791141343,0.32731753424779264,0.25857430776853496,0.2546993260214323,0.25083986382627865,0.2507248523074708,0.24976365388599822,0.24459428578281472,0.2227236628693047,0.20035568083131183,0.17559868813865812,0.16662170228661796,0.1414173810820759,0.1328661108366919,0.12350976423829,0.11783540782338768,0.10619429355132848,0.1039938710994925,0.10097499068733959,0.09919660279775395,0.09733936037739765,0.08875228375592774,0.07733394068973792,0.07453746113750923,0.07126338789290725],"twin_dists":[0.18395710558785805,0.1941025832915722,0.21360876417097116,0.21479776063618414,0.21599345791918742,0.21602926883757512,0.21632896654620412,0.2179535689587686,0.22508589740747653,0.23288209214265942,0.242246666725894,0.24587331466262047,0.25687844682501776,0.2609419468255235,0.26562016146123785,0.2685901410369122,0.27504490734944465,0.27632599109087796,0.2781184083178901,0.27919399260586203,0.28033352251014343,0.28583637544321744,0.29385074095344565,0.29595733912433125,0.29850642022619844],"n_dims_used":42,"mean_confidence":0.9025101434616816},"coverage":{"mean_confidence":0.9025101434616816,"n_dims_used":42,"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}}