{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011232},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011167","490:4900011234","490:4900011843","490:4900010426","490:4900011175","490:4900011772","490:4900011158","490:4900011634","490:4900011157","490:4900010760","490:4900011440","490:4900011900","490:4900010674","490:4900011005","490:4900011305","490:4900010929","490:4900010580","490:4900011581","490:4900011829","490:4900011391","490:4900011090","490:4900011703","490:4900011437","490:4900010424","490:4900010994"],"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":[0.41243023033688175,0.34277521096353214,0.31480766256135084,0.311037305467995,0.3081006021516819,0.29400264055768943,0.2917883092055525,0.2759476015965067,0.2757487179041167,0.2700280574455805,0.2676194790532649,0.2499948077078363,0.2432161221465354,0.23879128391766807,0.2375383424492746,0.2083905637181584,0.2061184693886294,0.2011309338008871,0.19976755498895785,0.19588101558593798,0.19492794772024594,0.18915233854179514,0.18141263333240537,0.17499213565067495,0.1613541228177311],"twin_dists":[0.17285393858747394,0.19005039295006876,0.19745991835816976,0.19848649704141222,0.19929102914117888,0.20321655960873547,0.203843103694052,0.20841066097602876,0.20846900495954754,0.2101583838797652,0.2108762705204423,0.21625682650524233,0.2183904161721764,0.2198039194205155,0.22020725651630826,0.230016571904331,0.23081909641598194,0.2326022097668556,0.23309491584712325,0.23451232066251576,0.23486286884993354,0.23701311573926148,0.23996792725497643,0.24248747552403274,0.24806732934435086],"n_dims_used":45,"mean_confidence":0.8906461927625868},"coverage":{"mean_confidence":0.8906461927625868,"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}}