{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770003593},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770003587","477:4770003531","477:4770003759","477:4770003590","477:4770003752","477:4770003847","477:4770003766","477:4770003529","499:4990000833","477:4770003645","477:4770003767","477:4770003646","499:4990000822","499:4990000763","499:4990001093","499:4990000537","477:4770003700","499:4990000606","477:4770003530","499:4990000599","499:4990000588","499:4990001282","499:4990000748","477:4770003956","477:4770003977"],"twin_admin_codes":[477,477,477,477,477,477,477,477,499,477,477,477,499,499,499,499,477,499,477,499,499,499,499,477,477],"twin_sims":[0.885237290352615,0.8837160903515741,0.8752481628280129,0.8647692423382417,0.862901389992535,0.8441040348118602,0.8252477376683588,0.8213254406526147,0.8116897742776055,0.8070247652857745,0.8053020243366679,0.8035624292323279,0.794297891334488,0.7935851892099947,0.7926124931885178,0.7922365215024738,0.7914605095698988,0.7830120815132945,0.7826582300324596,0.7747919592959817,0.7724743780554904,0.7693180698540698,0.7631994012895814,0.761194256346709,0.7593196631814393],"twin_dists":[0.0641268469512435,0.06457764705626004,0.06704538626986048,0.07001007793035993,0.07052910739422893,0.07561317367140093,0.08049529144835821,0.08148749114667907,0.08389470947185594,0.08504566265141279,0.08546844266177192,0.08589415920353424,0.088141961477609,0.08831357912550314,0.08854751415671587,0.08863784729505303,0.08882414121090526,0.09083922507141622,0.09092311783088827,0.09277816057731,0.09332120206751408,0.09405832452472929,0.09547955810814282,0.09594317905566023,0.09637569549973822],"n_dims_used":45,"mean_confidence":0.9244574652777777},"coverage":{"mean_confidence":0.9244574652777777,"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}}