{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":473,"cluster_id":4730002229},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["473:4730001661","473:4730002230","473:4730001743","500:5000001425","500:5000003388","473:4730002608","500:5000001766","473:4730001654","500:5000001547","500:5000001870","500:5000003748","473:4730002444","500:5000001611","500:5000003213","473:4730004132","473:4730002153","500:5000001545","473:4730001426","473:4730002558","500:5000001864","473:4730001992","500:5000003925","473:4730002413","500:5000002350","473:4730002233"],"twin_admin_codes":[473,473,473,500,500,473,500,473,500,500,500,473,500,500,473,473,500,473,473,500,473,500,473,500,473],"twin_sims":[0.6808817606538355,0.6736704250486683,0.6310084111067731,0.5436637636500833,0.5429387406883426,0.5396751961923795,0.5307996537577361,0.5047403159167179,0.5001182810634484,0.48391145634933713,0.478117773682571,0.47320042038721716,0.47113618799440643,0.46731132036592204,0.4425589124187685,0.4385910865723862,0.4351681129000158,0.4348589881687976,0.43468012285847435,0.43228087591848907,0.4275808188009636,0.42676646037158855,0.4196287390159327,0.4131775579530505,0.4105430882875863],"twin_dists":[0.11387061674996903,0.11543705460070576,0.12463026574186498,0.1433833520571822,0.1435402519078381,0.1442469816999496,0.14617321663163835,0.1518711192416223,0.15288942983722545,0.15648160101631067,0.1577745920862961,0.1588759713503379,0.1593394384726655,0.1602000199960846,0.16583112674671605,0.16674465661910012,0.16753535580776058,0.1676068843714468,0.16764828140398713,0.16820423120541533,0.16929695710310905,0.16948678778429735,0.17115712342101225,0.17267718921747954,0.17330088647765912],"n_dims_used":45,"mean_confidence":0.9202683342827691},"coverage":{"mean_confidence":0.9202683342827691,"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}}