{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000440},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000437","480:4800000467","480:4800000602","480:4800000472","480:4800000648","480:4800000654","480:4800000308","480:4800000536","480:4800000677","480:4800000611","480:4800000340","480:4800000678","480:4800000542","480:4800000499","480:4800000548","480:4800000509","480:4800000353","480:4800000307","480:4800000604","480:4800000890","480:4800000843","480:4800000726","480:4800000649","480:4800000463","480:4800000688"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6799886695891413,0.6357505655587135,0.6287866518453848,0.5983633352916722,0.536345677181727,0.5327981828003173,0.527541990101049,0.5233854978950173,0.5163770637057798,0.4994629122306914,0.4961922976726786,0.49142433652162876,0.47831794632388314,0.4732969974152413,0.45941765032139337,0.45663183617882125,0.44997870127371004,0.43800430080575836,0.4257776982696592,0.4171207453643137,0.41609829224733136,0.41039953494757914,0.40188699508145226,0.39691050092866403,0.3956495145665149],"twin_dists":[0.11406487289338146,0.12361281294966793,0.12510672126224265,0.13162343594988496,0.14496883315322245,0.14573891739562142,0.14688188024395157,0.14778746521952665,0.14931816564088488,0.1530340279663349,0.15375644465833785,0.15481205535034773,0.1577298360967918,0.15885430411556947,0.16198379754277872,0.16261590964012027,0.16413124665018125,0.16688002896678505,0.16971747392699033,0.17174687269818809,0.17198773501574405,0.17333492218337804,0.17536271920406296,0.17655713718844582,0.17686087412080437],"n_dims_used":43,"mean_confidence":0.914937928665516},"coverage":{"mean_confidence":0.914937928665516,"n_dims_used":43,"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}}