{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000768},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001169","480:4800003136","470:4700006240","489:4890002143","466:4660002763","496:4960005481","470:4700003723","494:4940000512","470:4700006064","493:4930001581","472:4720007291","486:4860004088","494:4940006963","470:4700005861","487:4870001077","469:4690001952","475:4750006963","469:4690002570","479:4790000159","466:4660001572","489:4890003447","488:4880005010","494:4940002486","490:4900006288","485:4850008916"],"twin_admin_codes":[490,480,470,489,466,496,470,494,470,493,472,486,494,470,487,469,475,469,479,466,489,488,494,490,485],"twin_sims":[0.07087190342683564,0.06434411904007031,0.0583292505533032,0.05505026738914376,0.05217881633812034,0.0519301447090488,0.050838774666765965,0.04367965528795521,0.04105264361649425,0.03732448209786573,0.03620040046902748,0.03524053160634517,0.03422790504004411,0.033582343857064684,0.03224608545199391,0.030450386082423602,0.03037104483496469,0.030316928611095063,0.03020528260089707,0.029020802056266896,0.026970932342917284,0.026491691233204828,0.026419583682657045,0.026042468057205573,0.025808819521003584],"twin_dists":[0.2988175284308272,0.3042230367138087,0.30961661488926046,0.31275268114207716,0.3156286031687316,0.31588379381753046,0.31701593174971954,0.32499116784712545,0.3281946562446481,0.33305176251928237,0.3345968642335262,0.3359488440971343,0.33740952038343724,0.33836004691804816,0.3403781438206716,0.34320579062333456,0.3433339896164952,0.34342159493005064,0.34360275582883704,0.3455609605795947,0.3491182553902868,0.3499833882170324,0.3501147235450412,0.3508066741633602,0.3512397344114075],"n_dims_used":43,"mean_confidence":0.9163037677143895},"coverage":{"mean_confidence":0.9163037677143895,"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}}