{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004001},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004421","490:4900003580","490:4900004002","490:4900001979","490:4900002446","490:4900004541","490:4900003573","490:4900003860","490:4900003038","490:4900003188","490:4900004124","490:4900002293","490:4900007731","490:4900004419","490:4900003186","490:4900003704","490:4900002892","490:4900001820","490:4900001543","490:4900003708","490:4900002129","490:4900001974","490:4900002135","490:4900004280","490:4900004534"],"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":[0.6093764652455135,0.5603853300601318,0.472289631795513,0.42454786147662077,0.42135812336641637,0.4145799425112229,0.39538369980879184,0.3829613354750763,0.3726876667893389,0.3619908654754357,0.3585605644454581,0.35713571095370034,0.354956413693012,0.34768165643813254,0.32431459983359034,0.3137710120414058,0.30347494306360595,0.3001591111844673,0.2994762814750565,0.29708411898024856,0.29116551444190975,0.2861632032575461,0.2836048157872479,0.2692168332389605,0.2676127706282708],"twin_dists":[0.1292651195080498,0.13977423250657664,0.15908038078187237,0.17000471485485835,0.1707513339582589,0.1723458872979893,0.17692495841890551,0.17994261336804165,0.1824738455020263,0.18514621039426177,0.18601161577565586,0.18637232626053116,0.1869254647885756,0.18878479692094619,0.1949018643949879,0.19774147277174767,0.20056727210157096,0.20148908734588827,0.20167965367531368,0.2023492819718426,0.2040198313047263,0.20544756355855526,0.20618355143022132,0.21039972807593324,0.21087827557505423],"n_dims_used":45,"mean_confidence":0.9185895284016927},"coverage":{"mean_confidence":0.9185895284016927,"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}}