{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011440},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011894","490:4900011829","490:4900011157","490:4900011965","490:4900011004","490:4900011232","490:4900011234","490:4900010590","490:4900011700","490:4900011962","490:4900010998","490:4900011158","490:4900010924","490:4900011005","490:4900011895","490:4900011432","490:4900011693","490:4900010929","490:4900010580","490:4900011085","490:4900010931","490:4900010505","490:4900011441","490:4900011437","490:4900011503"],"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":[0.3446517827699423,0.28948616644833236,0.2845500344787959,0.2749023051921458,0.2682458755087504,0.2676194790532649,0.26467892640461077,0.252000676438933,0.24429573467772847,0.2337136054499212,0.22394826284533578,0.19758310660811362,0.18410819556633348,0.16787020403533304,0.16025302940814784,0.1571853959688357,0.15420423861517507,0.1468061884251562,0.14510097822058007,0.1339521044617475,0.13209641262253285,0.12868857260054428,0.1268058896530429,0.12510936380073912,0.11984925765182444],"twin_dists":[0.1895652124806376,0.20449749630920352,0.20591117055273073,0.20871759481520175,0.21068918659414398,0.2108762705204423,0.21175817390021212,0.21563260299989215,0.21804806794045595,0.22144714627908824,0.22467462172494965,0.23388920346654465,0.23892893862472078,0.24536066007760424,0.24853248819594123,0.2498407974569697,0.2511302017595991,0.2544109610086346,0.25518438979474084,0.26041521866713724,0.26131722979221444,0.2629988805970059,0.2639423960611688,0.2648017551807293,0.26752382270404934],"n_dims_used":45,"mean_confidence":0.8915208604600694},"coverage":{"mean_confidence":0.8915208604600694,"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}}