{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000422},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000238","490:4900000511","490:4900000188","490:4900000226","490:4900000297","490:4900000039","490:4900000282","490:4900000951","490:4900000135","496:4960007930","490:4900000500","490:4900000424","490:4900002354","490:4900000143","490:4900000813","490:4900001606","490:4900000164","490:4900000830","490:4900000610","490:4900000501","490:4900000074","496:4960009662","490:4900000597","490:4900000812","490:4900000818"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490],"twin_sims":[0.7095963427156965,0.6788680633256527,0.6470417550731525,0.4501258841023063,0.4347465616145383,0.41946285464109445,0.39920379624124336,0.38421860334120383,0.37536696528496155,0.35898650760230416,0.34392048543122833,0.3262549646555682,0.3199283819700674,0.31911049570929956,0.3178979058119895,0.31772576196706387,0.31309842751586187,0.3105859638541669,0.3016909145678537,0.2981412869591827,0.28740685599826354,0.2862879582683793,0.2656174372962278,0.26500625044510245,0.26454164801991054],"twin_dists":[0.10757794746544953,0.11430850901292748,0.1211868090068856,0.16409763459515112,0.1676329038582145,0.17119608435846093,0.17600587691714578,0.17963511283814163,0.1818104739445075,0.18590392843474682,0.18975411916930868,0.19438493772229354,0.19607676702265187,0.19629684356905397,0.19662371144778906,0.19667017174044815,0.1979244297579749,0.1986098614751929,0.2010625060469532,0.20205296459465683,0.2050912217090873,0.20541177583414874,0.21147604470392356,0.21165970510357443,0.2117994939261533],"n_dims_used":45,"mean_confidence":0.9129273308648004},"coverage":{"mean_confidence":0.9129273308648004,"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}}