{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013312},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013248","490:4900013281","490:4900013177","490:4900013211","487:4870001163","490:4900012611","490:4900012339","490:4900012270","490:4900012394","490:4900013239","487:4870001642","487:4870001551","487:4870000246","490:4900012477","490:4900012994","490:4900012940","490:4900013176","487:4870002706","487:4870001450","490:4900013142","490:4900012261","490:4900013141","487:4870001643","490:4900012610","490:4900013335"],"twin_admin_codes":[490,490,490,490,487,490,490,490,490,490,487,487,487,490,490,490,490,487,487,490,490,490,487,490,490],"twin_sims":[0.2818730637062163,0.22244087578897143,0.15324975523695145,0.14575839406182434,0.11659649549524642,0.10942964548050513,0.10315786680812906,0.09587390382980852,0.09548542131279243,0.09488024615736479,0.09327068985756087,0.08954777223784897,0.08953857626103826,0.08565037752530902,0.0839473420642796,0.08319219659974236,0.08289624732822429,0.08278599507838913,0.0816080308210319,0.0815229129885607,0.08008276714841084,0.07882105380078688,0.07859526229641244,0.07736716802080645,0.07668791246207335],"twin_dists":[0.20668401028328948,0.22518108418917618,0.2515468870968955,0.2548854140810266,0.26925308967188355,0.27319822741714667,0.27681824772014424,0.2812447812337943,0.2814881852670528,0.2818689159151163,0.28289092383359704,0.2853093324257709,0.28531540387651105,0.2879280562892193,0.28910221651805046,0.2896289430464301,0.2898364145836479,0.28991385689094146,0.2907464619591012,0.29080699636538243,0.29183895977029506,0.2927553671361963,0.29292060456448354,0.2938260821976633,0.29433187622427504],"n_dims_used":45,"mean_confidence":0.9106375800238715},"coverage":{"mean_confidence":0.9106375800238715,"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}}