{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001338},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001595","490:4900001319","490:4900001874","490:4900003193","490:4900003081","490:4900001697","490:4900000953","490:4900004022","490:4900004580","490:4900004592","490:4900000954","490:4900001704","490:4900002313","490:4900001998","490:4900002603","490:4900001875","490:4900003353","490:4900001210","490:4900003614","490:4900004009","490:4900002611","490:4900003894","490:4900004858","490:4900004013","490:4900001073"],"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":[0.8613141189235983,0.7076280521915402,0.5647182823650406,0.546545484654069,0.5298538265209412,0.5177232159555323,0.4968567898539059,0.4892823353017463,0.48255867651344525,0.4792561841634225,0.4787546507542624,0.47650956524420285,0.47574494735203454,0.46862389228124,0.46786156888842767,0.465333152729797,0.46235689123197377,0.46094771093097087,0.44682389895229363,0.4423697722050856,0.44205189497197556,0.43911493672026886,0.43455207448547534,0.4338406971876903,0.42859501850187554],"twin_dists":[0.0709680619972841,0.10801258662952842,0.1388416325787405,0.14276009535124157,0.14637887334381688,0.14902377422289723,0.15360956181450897,0.15528726816059496,0.15678306486460522,0.1575201385732296,0.1576322156035825,0.15813438664722326,0.1583055882603608,0.159904427380264,0.1600760689506097,0.16064604436747323,0.16131835427611285,0.1616372045686993,0.16485270299598787,0.165874600818904,0.16594768143613392,0.1666238637936967,0.16767792142147622,0.1678426513188465,0.16906075034232146],"n_dims_used":45,"mean_confidence":0.9172481960720487},"coverage":{"mean_confidence":0.9172481960720487,"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}}