{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004488},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001231","490:4900002978","490:4900001362","490:4900003658","490:4900002838","490:4900001364","490:4900001104","490:4900002530","490:4900003935","490:4900003666","490:4900002690","490:4900002679","490:4900002078","490:4900002396","490:4900004221","490:4900003380","490:4900004636","490:4900003667","490:4900003117","490:4900003947","490:4900004072","490:4900003385","490:4900001103","490:4900004081","490:4900004360"],"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":[0.17517285196536614,0.11257183925681528,0.10741634366339095,0.10633480445516676,0.09597400548939578,0.08947332185572784,0.08694871438714948,0.0867399568088882,0.0810556422241459,0.07836866368421128,0.07588584509972106,0.0747474184570924,0.07058642863657888,0.04839304905210574,0.04264841285683783,0.042641640969699586,0.04260316806436404,0.04149542469286787,0.037111956434072196,0.03674380645537247,0.03357329643697864,0.03317185481392987,0.03239557551385899,0.031806784884403534,0.03171965677574166],"twin_dists":[0.2424156667742385,0.2714447431658545,0.27434232052288204,0.2749638056778215,0.2811821882302013,0.28535850093481896,0.2870453484176767,0.2871865668297219,0.291140216040745,0.293086816521259,0.2949337862148359,0.2957969844117279,0.2990452719203516,0.31962842699406,0.32622885063650287,0.32623706097723304,0.32628372695855135,0.3276428358527434,0.3333408335000888,0.33384491981559206,0.3383734786574031,0.3389725864749302,0.34014886554558,0.34105721140377543,0.3411928452672086],"n_dims_used":45,"mean_confidence":0.9192113240559896},"coverage":{"mean_confidence":0.9192113240559896,"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}}