{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003058},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003084","490:4900004008","490:4900003728","490:4900004304","490:4900003199","490:4900004307","490:4900002639","490:4900003724","490:4900004292","490:4900003457","490:4900004147","490:4900003209","490:4900003866","490:4900004156","490:4900001996","490:4900002601","490:4900003593","490:4900003464","490:4900003879","490:4900002750","490:4900002301","490:4900003741","490:4900003063","490:4900002165","490:4900001840"],"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":[0.693679589008897,0.6872406972325777,0.6722661489599405,0.6630779397536327,0.6606189439349326,0.6555030609513082,0.6505895555636253,0.6402112532517514,0.6381915879514192,0.5969870920372302,0.5876372627968687,0.5638005734778769,0.5567873131095649,0.5465474763520144,0.5395602483393737,0.5390609356284519,0.5320439360205725,0.5305681727069318,0.5195717777235881,0.519391219092921,0.5142018149577239,0.5084724314504151,0.5050749934359859,0.5011925582186381,0.4895998155961519],"twin_dists":[0.11107801484217744,0.1124852056511043,0.11574155516359988,0.11773002134245891,0.11826112795870419,0.11936480115343594,0.12042332226873602,0.12265503269247527,0.12308878033671262,0.13191818921042314,0.1339213698585356,0.139039077286372,0.14054939436337613,0.142759664787067,0.14427188851100317,0.14438009090035103,0.1459027824623012,0.1462235417336032,0.14861980962833957,0.14865925186539283,0.14979426933378723,0.15105070437873527,0.15179748286676742,0.15265251927224283,0.1552167945087366],"n_dims_used":45,"mean_confidence":0.9175055609809027},"coverage":{"mean_confidence":0.9175055609809027,"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}}