{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007958},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007961","490:4900008178","490:4900009177","490:4900008289","490:4900009488","490:4900007850","490:4900011615","490:4900010007","490:4900008408","490:4900008288","490:4900009301","490:4900008174","490:4900010806","490:4900010208","490:4900007860","490:4900009597","490:4900008513","490:4900010107","490:4900011744","490:4900008844","490:4900009796","490:4900011279","490:4900010387","490:4900012082","490:4900009487"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.610322897746259,0.46705360048895733,0.41273282298323727,0.3586775880045459,0.35302494338586093,0.3458060766561283,0.3432462271661272,0.3410938625597135,0.32136717895516514,0.32083547375985927,0.31247441659901415,0.3124693097259192,0.2988472086971789,0.29060020216499427,0.2857505751451687,0.28506268287365266,0.28448861007368537,0.2696303877859748,0.2676704331089004,0.2658635278705741,0.2592234696731322,0.2588252482821854,0.258471847567512,0.24511115924092952,0.24358032139785768],"twin_dists":[0.12906245679600617,0.160258092134007,0.17278235607169207,0.18598202324589944,0.18741717098513686,0.18926747064187352,0.18992848094905138,0.1904863028852349,0.1956903807550785,0.19583305606585685,0.19809437394724652,0.1980957655592762,0.20185544254356327,0.20418044213286346,0.205565998502857,0.20576367008422755,0.2059288544641796,0.21027663693163354,0.21086104208254358,0.21140216933412243,0.21341067847962222,0.2135321549103738,0.21364005756770135,0.21779014112791997,0.21827481804439156],"n_dims_used":45,"mean_confidence":0.9237233479817708},"coverage":{"mean_confidence":0.9237233479817708,"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}}