{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010819},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910004961","490:4900011139","491:4910003839","490:4900010221","490:4900010025","490:4900010303","490:4900012159","490:4900010304","490:4900009719","490:4900008008","490:4900011140","490:4900010306","490:4900010482","491:4910004752","491:4910005005","491:4910004910","490:4900009928","490:4900009823","490:4900010307","491:4910004653","490:4900008789","490:4900010028","490:4900012158","491:4910004853","490:4900011295"],"twin_admin_codes":[491,490,491,490,490,490,490,490,490,490,490,490,490,491,491,491,490,490,490,491,490,490,490,491,490],"twin_sims":[0.5473065697165486,0.35082571042024907,0.3274213599818635,0.3216727710835187,0.22736134992266072,0.21489042769969688,0.1975337803025074,0.18790171514068227,0.18548993636670422,0.18054451568487193,0.17955113041946097,0.17403679560557056,0.16025878089108744,0.15211252662882427,0.14536842945126355,0.13935774265684395,0.13261703375829356,0.13019282593230377,0.11653427138921134,0.10738240038381026,0.10202774496523986,0.10072301328462539,0.10069812370503743,0.10017947171166598,0.09711762350815045],"twin_dists":[0.14259558400946196,0.18797874921932528,0.19407502107876878,0.19560843935390093,0.22353619149877854,0.227753125133701,0.23390720890895933,0.23748474197565148,0.2384005076158963,0.24030485902501897,0.24069181945013482,0.24286796742671526,0.24853005244742266,0.25204584352607273,0.25506263907890764,0.2578400105912706,0.2610632102496363,0.2622524911127607,0.2692865283506736,0.2743617513625286,0.2774886572083333,0.2782699003909148,0.2782848804072144,0.27859769684653585,0.28047070887739584],"n_dims_used":44,"mean_confidence":0.8831533085216176},"coverage":{"mean_confidence":0.8831533085216176,"n_dims_used":44,"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}}