{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000477},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800005647","490:4900001081","490:4900000722","490:4900000328","490:4900000729","494:4940008910","480:4800004448","490:4900001074","478:4780008441","478:4780007973","490:4900000036","478:4780008208","490:4900000194","487:4870003257","494:4940006156","496:4960008765","490:4900000615","494:4940008940","480:4800004201","496:4960008154","496:4960007435","480:4800004279","490:4900000663","478:4780009072","478:4780009176"],"twin_admin_codes":[480,490,490,490,490,494,480,490,478,478,490,478,490,487,494,496,490,494,480,496,496,480,490,478,478],"twin_sims":[0.2749098035073244,0.2531182485363003,0.23800705526696345,0.2051382879621533,0.20330938463582318,0.18829477347258758,0.1875664701145747,0.17886729257301195,0.17778056763559477,0.16931668768057764,0.16754299910069168,0.1667604395936975,0.16477207895832807,0.15815913449430993,0.1550377509576527,0.15279418453242327,0.15232328089106845,0.1480533973883059,0.14200763468350294,0.13809299176982287,0.13797543810376223,0.13152992414843273,0.13020395423699546,0.1298423549521717,0.12908392980615205],"twin_dists":[0.20871539051718016,0.2152861894524575,0.22005621024029598,0.23116717143944507,0.23181969506202044,0.23733627831185852,0.2376115408406296,0.2409590823282651,0.24138530035379238,0.24477013111076001,0.24549474931800655,0.24581621051143976,0.2466379158975649,0.24942350974596014,0.2507678696815189,0.25174644036129845,0.25195316935694106,0.25384946334816705,0.25660480498961064,0.25843573868323155,0.2584913160389132,0.2615944866278962,0.26224699372949467,0.26242580557375467,0.2628020739670208],"n_dims_used":45,"mean_confidence":0.9167485555013021},"coverage":{"mean_confidence":0.9167485555013021,"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}}