{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002626},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001889","489:4890001713","489:4890001714","489:4890001473","489:4890002137","489:4890001966","489:4890002057","489:4890002056","489:4890002385","489:4890001888","489:4890002548","489:4890002220","489:4890001551","489:4890001972","489:4890002054","489:4890002462","489:4890001800","500:5000005529","489:4890001552","489:4890001802","489:4890001798","489:4890001886","481:4810004188","489:4890002055","485:4850005454"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,500,489,489,489,489,481,489,485],"twin_sims":[0.4292685453256112,0.388776440105949,0.3424513865080784,0.26658291402023326,0.21869461019143915,0.20951805408109278,0.2045508728480981,0.17820927941606662,0.16329077891592986,0.16002557791015332,0.14872928124680881,0.14430625825755636,0.14131537931806898,0.13684942085467186,0.13326182257445568,0.1308205984738724,0.1088790778539285,0.10482484261209522,0.10416924045931288,0.10352626674716502,0.09769032529083935,0.09549915103365857,0.09230900716876199,0.09218764077407804,0.0904544138667822],"twin_dists":[0.16890401280286318,0.17852435768854855,0.19013425945930965,0.21118645634976124,0.22644979041151547,0.22962054457466677,0.23137631574943932,0.24121693746540854,0.2472547438338078,0.24862886472146487,0.2535466361806089,0.2555471509968717,0.2569258209873886,0.259025480135482,0.26074964534080725,0.261942924030117,0.2735094656927682,0.27583974374619263,0.2762231215394215,0.27660094441168526,0.2801168848561929,0.28147956962623427,0.2835082153714383,0.2835864793880585,0.28471315264148256],"n_dims_used":45,"mean_confidence":0.9180655585394966},"coverage":{"mean_confidence":0.9180655585394966,"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}}