{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001390},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940008151","490:4900012826","494:4940008148","490:4900006507","490:4900009884","490:4900013235","494:4940008149","494:4940008973","490:4900013234","490:4900003703","494:4940008051","494:4940008150","490:4900009074","494:4940007637","490:4900013013","494:4940008958","490:4900013014","490:4900009885","494:4940007635","490:4900012620","490:4900012691","494:4940008052","490:4900008861","487:4870011445","490:4900012758"],"twin_admin_codes":[494,490,494,490,490,490,494,494,490,490,494,494,490,494,490,494,490,490,494,490,490,494,490,487,490],"twin_sims":[0.005819304695712082,0.0034019017358789066,0.0018550286949351863,0.0014897567054883896,0.0010615181981790212,0.0007583475590128419,0.0007055604624829273,0.0004794840779406623,0.0004411311525588606,0.0004000013173840882,0.0003313453159286563,0.00028040528234756146,0.000258150429645165,0.0002453596023956756,0.00022126182706806363,0.00021377269231057197,0.00020743909010478766,0.00020256756247286195,0.00019474035704644674,0.00016504458386932622,0.00012781472539621095,0.00012671908744003662,0.00008404426289664885,0.00007735091182546992,0.00006258839791820375],"twin_dists":[0.4166755099152862,0.4378685420760971,0.4606373666477458,0.46859832535024015,0.48064282993138163,0.49230375884750255,0.4947695743915766,0.5077677193484107,0.5105295997037692,0.513753094072144,0.5198987650446267,0.5252864975538638,0.5279351767968352,0.5295562952984442,0.5328389136068223,0.5339278162574075,0.5348770917105823,0.5356259755734403,0.5368654841777641,0.5420387591724045,0.5499361467142121,0.5502001354912078,0.5626479060373485,0.5651303884396571,0.5714161788499225],"n_dims_used":45,"mean_confidence":0.9059956868489584},"coverage":{"mean_confidence":0.9059956868489584,"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}}