{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001028},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000871","480:4800000788","480:4800001073","480:4800000786","480:4800000835","480:4800000870","480:4800000872","480:4800000787","480:4800000880","480:4800000879","480:4800001027","480:4800000827","480:4800000393","480:4800000834","480:4800001029","480:4800000881","480:4800001143","480:4800000789","480:4800001074","480:4800000392","480:4800000747","480:4800000790","480:4800001132","480:4800001203","480:4800000303"],"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":[0.8790265809842812,0.8290053444662535,0.7978539326555558,0.776923152777211,0.7732150387631144,0.7619481654510427,0.6831520334650626,0.6799190456297626,0.6734803786895055,0.6585320626622169,0.6514742128660607,0.6502413319050939,0.6382223156796586,0.610788149626926,0.6105706328601724,0.5872976508800859,0.5666948722003492,0.5550582067302138,0.5469230712739921,0.5380325322793513,0.5050614961060746,0.49866542769599925,0.49754585195417356,0.4757047065137106,0.4464285219463959],"twin_dists":[0.06595275102530566,0.07953763782501869,0.0872829490198168,0.09227741552112008,0.09314782243010618,0.09576898371824731,0.11337646232027832,0.11408001360278898,0.1154782736777741,0.11871154313028688,0.12023284042970417,0.12049828913693908,0.12308218237506743,0.12896282948398902,0.1290094078444441,0.13399416106494763,0.13841650511930104,0.14092217278504582,0.14267847370633388,0.144603009065786,0.15180045232125883,0.15321005361550155,0.1534573070518304,0.15831460086431545,0.1649432553175819],"n_dims_used":42,"mean_confidence":0.9109131041027251},"coverage":{"mean_confidence":0.9109131041027251,"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}}