{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011829},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011894","490:4900011962","490:4900011965","490:4900011966","490:4900011694","490:4900011440","490:4900011700","490:4900011234","490:4900011892","490:4900011768","490:4900011893","490:4900011905","490:4900011232","490:4900011707","490:4900011833","490:4900011634","490:4900011441","490:4900011830","490:4900011432","490:4900011906","490:4900011832","490:4900011500","490:4900011900","490:4900009940","490:4900010923"],"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":[0.5798190088340175,0.34325847046562724,0.31087821428061546,0.3029002479031091,0.28959455695320996,0.28948616644833236,0.28190111044733984,0.264047708537634,0.26043222440359903,0.2346641584860555,0.22630801268716158,0.21480985540099248,0.19976755498895785,0.1992222690696097,0.1936875769010366,0.18611933113730122,0.17344812594688405,0.17249239565181287,0.16895574488136142,0.15492548025576394,0.14184592268076118,0.13947638161898118,0.1378331115608613,0.13707190079198558,0.1351598839067999],"twin_dists":[0.13559783148134036,0.1899253132335123,0.19852996946990978,0.20072661818064566,0.20446661649917555,0.20449749630920352,0.20667589027321015,0.21194827774810018,0.21304266863574323,0.22113776661832696,0.22388631287356361,0.22778089712269736,0.23309491584712325,0.23329262349942614,0.23532087672092392,0.23816072042134007,0.24310316525895223,0.24348623695045943,0.2449171458248614,0.2508165910958945,0.25667969044911915,0.2577843361701145,0.2585586529796648,0.258919679319913,0.2598331765129941],"n_dims_used":45,"mean_confidence":0.8909091525607639},"coverage":{"mean_confidence":0.8909091525607639,"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}}