{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890005149},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890005425","489:4890005445","489:4890005312","479:4790002565","472:4720005208","489:4890005455","489:4890005406","489:4890005426","489:4890005387","479:4790002407","468:4680004181","470:4700005722","484:4840004151","479:4790003266","470:4700005288","489:4890005441","489:4890005141","489:4890004668","479:4790002239","496:4960001558","479:4790002488","484:4840003439","470:4700006698","498:4980001999","489:4890004889"],"twin_admin_codes":[489,489,489,479,472,489,489,489,489,479,468,470,484,479,470,489,489,489,479,496,479,484,470,498,489],"twin_sims":[0.8637234003393716,0.5738271611712654,0.5584368524929316,0.4937820868351675,0.4543710853392621,0.4501808384019182,0.4339184117611556,0.4329567286748357,0.42349254156611293,0.41261041970681356,0.40587602314570176,0.40002108210622733,0.39780859140115654,0.3916277063434897,0.3866332728631833,0.3864067544582008,0.37631166728153104,0.367843815216421,0.3610760938648594,0.35920270335041027,0.35766026726677136,0.3548784585898757,0.3521566668605229,0.3506712829772574,0.34820747657215717],"twin_dists":[0.0703010251695484,0.13688389477068713,0.14019392753165694,0.1542896860596744,0.1631299090925638,0.16408508576741151,0.1678246500990715,0.16804749838528532,0.1702514718457037,0.1728113095240779,0.17441012430390457,0.1758097678469567,0.17634108192829334,0.17783261822221846,0.17904587923174672,0.17910108035822445,0.18157712790479105,0.18367915500506732,0.18537658104508484,0.18584929465769906,0.18623944577453244,0.18694528340888586,0.1876386685993261,0.18801825148235463,0.18864972555174428],"n_dims_used":45,"mean_confidence":0.9205942789713542},"coverage":{"mean_confidence":0.9205942789713542,"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}}