{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000826},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000784","480:4800001143","480:4800000870","480:4800000871","480:4800000989","480:4800000786","480:4800000824","480:4800000825","480:4800001073","480:4800001203","480:4800000879","480:4800000788","480:4800000880","480:4800001029","480:4800006462","480:4800000881","480:4800000971","480:4800000787","480:4800001028","492:4920003078","480:4800001027","494:4940000563","480:4800001132","492:4920002852","480:4800006463"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,492,480,494,480,492,480],"twin_sims":[0.6176672380817023,0.5974861188293709,0.544815544746596,0.5214015186938143,0.5020021223191229,0.4929199111414315,0.475755454658745,0.45566814260464933,0.41690932762152383,0.40659091004980513,0.4027074395236712,0.3997535663759282,0.36571179221165506,0.33834942572218196,0.3269766810414418,0.3253707421213626,0.3188142029163945,0.3148948971173627,0.3084497756830282,0.3015606129801707,0.29635261261503665,0.2933338809421264,0.2931811576150584,0.292618846885898,0.2871312801916757],"twin_dists":[0.1274895777953885,0.13181130920946688,0.14313417593722674,0.14822029233528553,0.1524740786488159,0.1544806195158836,0.1583032350155839,0.16283489939023757,0.17179665622289586,0.17423984972877804,0.17516644834388528,0.17587393860100164,0.18421218075739804,0.19120031099336562,0.19419310223184477,0.19462028863321248,0.19637664814627095,0.19743624946968635,0.19919514048680725,0.20109874359012955,0.20255468155644646,0.20340548919767534,0.20344867044243167,0.20360777410656974,0.20517010215659773],"n_dims_used":42,"mean_confidence":0.9110169183640253},"coverage":{"mean_confidence":0.9110169183640253,"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}}