{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001301},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001296","489:4890001239","489:4890001292","489:4890001048","489:4890001439","489:4890001434","489:4890001435","489:4890001228","489:4890000990","489:4890001431","489:4890001290","489:4890001356","489:4890001357","489:4890001359","489:4890001049","489:4890001171","489:4890001050","489:4890001433","489:4890000694","489:4890001287","489:4890000994","489:4890001352","489:4890001231","489:4890001519","489:4890001355"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.6425804845764744,0.4615327157528644,0.4468868147324321,0.4361515889630305,0.4361190074332564,0.38889649685722333,0.36105567935991273,0.31084292513154843,0.3076815855959443,0.2725017023403976,0.2615158481340753,0.24385289965507573,0.24153260318228661,0.24150523909583463,0.2012703761662784,0.18937783206904465,0.18863173683145218,0.1865784943039264,0.185381446867749,0.18499446999670666,0.17845327456484297,0.17019628592866717,0.1578881652887923,0.15224407514513721,0.1449410894516489],"twin_dists":[0.1221459993327086,0.16150479583919652,0.1648382963390269,0.16730792329924674,0.16731545462865507,0.17849518306227294,0.18538172549795118,0.19853961412310173,0.19940618038011873,0.20942521169307282,0.21271366674223502,0.21818837377864436,0.21892623103600367,0.21893496016734257,0.23255194702799448,0.2369283116797198,0.23720917526036292,0.23798614738925905,0.23844189778543173,0.23858967347275548,0.24112124455010775,0.24441280451849126,0.24953944281765877,0.2519879871468344,0.2552572547318765],"n_dims_used":45,"mean_confidence":0.9147170172797309},"coverage":{"mean_confidence":0.9147170172797309,"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}}