{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002975},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001922","490:4900003669","490:4900004094","490:4900001923","490:4900004088","490:4900003268","494:4940005203","490:4900006927","490:4900002543","490:4900004361","490:4900001927","490:4900001925","490:4900006211","491:4910001268","490:4900002379","490:4900004076","490:4900003954","490:4900004210","490:4900007664","490:4900004216","490:4900004364","490:4900001114","490:4900005567","490:4900004358","490:4900006210"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.19809533464269785,0.1156908070618037,0.08073808008529744,0.050131993609167265,0.010893391453562901,0.007422231642738839,0.0056356437009364825,0.0056206826867688225,0.004969142322472599,0.0047871028955170205,0.004476020303626712,0.004038478908923636,0.0033996755047470454,0.0028453609492181966,0.00266694254958085,0.0025937899337424523,0.0025243872019804423,0.002303691697576947,0.0021280151519189245,0.0018157379916574805,0.0015833943346512472,0.0013025563096496248,0.0012900810873873773,0.0010626802713750417,0.0010055399389575],"twin_dists":[0.23370240979047902,0.2697411562916782,0.2913675548440173,0.3177599500198243,0.3904710084652166,0.40670732286471867,0.4179716912281973,0.41807895170197706,0.4230204854890354,0.4245060364189548,0.42716747323499704,0.4312101781122913,0.43789375841719425,0.4446969713930143,0.44714647063549795,0.44819439735047206,0.44921394013856725,0.4526360603335961,0.45558243342068183,0.46142061422371544,0.4663989553727741,0.4734072590602581,0.47375002325052895,0.48060443171923606,0.48254028596848786],"n_dims_used":45,"mean_confidence":0.9146513197157118},"coverage":{"mean_confidence":0.9146513197157118,"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}}