{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000161},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000054","480:4800000157","480:4800000162","480:4800000195","480:4800000021","480:4800000226","480:4800000216","480:4800000215","480:4800000244","480:4800000236","480:4800000055","480:4800000103","480:4800000005","480:4800000243","480:4800000255","480:4800000220","480:4800000022","480:4800000214","480:4800000164","480:4800000165","480:4800000003","480:4800000180","480:4800000235","480:4800000194","480:4800000229"],"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":[0.6526155386408569,0.48129741956452193,0.4489137023083826,0.40512503567076985,0.3913572898514493,0.38229065477243734,0.37000555053821405,0.32450995063485594,0.3181785192654365,0.2893990358424256,0.25963362856850947,0.22967086636124345,0.18255514249977078,0.16856973198601788,0.1460195749617019,0.14347567366083422,0.12228187575979294,0.10553826099550914,0.09803690424965185,0.09739400248609892,0.09583420989122556,0.09269076908839113,0.09230668306296923,0.09078773258346397,0.08514936852152341],"twin_dists":[0.11998702960152134,0.157064371980941,0.1643745826037804,0.17458914142437082,0.17789812195351073,0.18010684506322353,0.1831402758258231,0.19484974399943344,0.19654800643613435,0.20452232430247394,0.2132856833168359,0.22277226688051358,0.2395262321897155,0.24507462181333356,0.25476691289282,0.2559278702234267,0.26625387694889685,0.275424671097658,0.2799035532494469,0.2802997536881692,0.2812696158668121,0.28326256226950136,0.2835097133244043,0.28449516220454607,0.28827153062847527],"n_dims_used":42,"mean_confidence":0.9022879827590216},"coverage":{"mean_confidence":0.9022879827590216,"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}}