{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011393},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010448","490:4900010877","490:4900010882","490:4900010881","490:4900010085","490:4900009777","490:4900010872","490:4900010078","490:4900010875","490:4900010275","490:4900010701","490:4900010710","490:4900010535","490:4900010174","490:4900010532","490:4900010706","490:4900010879","490:4900010533","490:4900010179","490:4900010704","490:4900010959","490:4900010173","490:4900009879","490:4900010705","490:4900010534"],"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":[0.29223840842644266,0.2424513081848545,0.20414182406521772,0.15651596401039483,0.14602354170886175,0.1413232133911192,0.1366065129024403,0.12695690410565022,0.12392511508863466,0.11166862793059028,0.09032409439758195,0.08622227155172103,0.08536417659498031,0.08445494967509858,0.08395672403694682,0.08263839274770915,0.08194103041166373,0.06754458109765496,0.06638053824456834,0.06143089714627005,0.05980911080472083,0.059282856392327665,0.05471008872511282,0.05314513421061101,0.052912035264823194],"twin_dists":[0.20371552057130576,0.21863353558056647,0.23152219726631929,0.2501287724726602,0.25476511433774507,0.2569221815926251,0.2591411426804679,0.26386632460333787,0.26540688366928283,0.27194486301390125,0.28479855455600345,0.28753793611268297,0.28812406901790455,0.2887502736754999,0.2890956962700546,0.29001766344242624,0.2905101226062338,0.3015196394233276,0.30249055457540813,0.30678115345942786,0.3082486770482381,0.30873190527568656,0.3130868051460985,0.31464644229571265,0.3148819978261218],"n_dims_used":45,"mean_confidence":0.917230224609375},"coverage":{"mean_confidence":0.917230224609375,"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}}