{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003266},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003129","490:4900001376","490:4900002991","490:4900003131","490:4900003519","490:4900002994","490:4900004493","490:4900003527","490:4900003130","490:4900003518","490:4900002990","490:4900003259","490:4900003662","490:4900003127","490:4900001378","490:4900003651","490:4900003794","490:4900003258","490:4900002995","490:4900002993","490:4900001516","490:4900004356","490:4900003654","490:4900001510","490:4900003952"],"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":[0.517681139394286,0.5104469240713174,0.44207771900374176,0.40418795379094563,0.39696993934482977,0.3830213919390273,0.37544838452837914,0.33092033673110516,0.306034764498717,0.30393729658217666,0.2863517000775399,0.24940414492972673,0.24840672219633383,0.24502669664040674,0.2362926536141847,0.23162206178544806,0.2307815708706589,0.22202556936818982,0.2108579401229228,0.20341740366788502,0.20048750092379541,0.19700355450164547,0.18519023980097823,0.18347378937594627,0.18087342178696725],"twin_dists":[0.14903297318813952,0.15061729861590303,0.16594174367970435,0.17481272694944966,0.1765428310595901,0.17992791388080034,0.18179035168506677,0.19314896087705183,0.19985962613045039,0.20043920221905448,0.2053934942156077,0.21644124942718715,0.2167533109042453,0.21781683177280126,0.2206096366768917,0.22213080797561197,0.22240668247272508,0.22532102379568072,0.22915179392207954,0.23178104403145772,0.23283444979582482,0.23410095246590543,0.23851488728663753,0.23917249598665166,0.24017707017185255],"n_dims_used":45,"mean_confidence":0.9198737250434028},"coverage":{"mean_confidence":0.9198737250434028,"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}}