{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001832},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003700","490:4900004135","490:4900003987","490:4900003848","490:4900001976","490:4900003035","490:4900003444","490:4900002898","490:4900004128","490:4900001680","490:4900001414","490:4900003845","490:4900005891","490:4900001681","490:4900003720","490:4900003575","490:4900002143","490:4900001973","490:4900004817","490:4900003036","490:4900004971","490:4900003310","490:4900003179","490:4900003584","490:4900004402"],"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":[0.7555947658814117,0.7202440321075438,0.7201044803610763,0.7061008049736224,0.6903650840378489,0.6578391970725653,0.6389012929579397,0.6270531069847879,0.6180921852655432,0.601290593555938,0.5929329781746406,0.5815645249920544,0.5814629354775257,0.5766568642519947,0.5695232072851034,0.5636454122003635,0.5631076741137749,0.5492401689010505,0.5393017796221597,0.5340510127699528,0.51904588020959,0.5011077198238972,0.4873449599586411,0.47944650909074715,0.4653796595566953],"twin_dists":[0.0972325575203694,0.10521680267476158,0.10524786229777279,0.10834946256320767,0.11180295821699712,0.11886102276804884,0.12293638082052052,0.1254783878805238,0.12739855312548726,0.1309965539130459,0.13278660100971743,0.1352233990028083,0.13524518862837548,0.13627638777850423,0.13780848944920188,0.13907246420019542,0.1391881814142616,0.14217780363116703,0.14432789698854603,0.1454668371380052,0.14873469867063951,0.1526712235825403,0.15571762226101346,0.1574776167423845,0.16063555080739778],"n_dims_used":45,"mean_confidence":0.9195844862196181},"coverage":{"mean_confidence":0.9195844862196181,"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}}