{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001584},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001646","480:4800001414","480:4800001473","480:4800001875","480:4800001483","480:4800001481","480:4800001427","480:4800001424","480:4800002149","480:4800002270","480:4800001237","480:4800002146","480:4800001363","480:4800001530","480:4800001540","480:4800002426","480:4800002369","480:4800002518","480:4800002332","480:4800001310","480:4800001486","480:4800001701","480:4800001592","480:4800001698","480:4800002513"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8680194705848597,0.7594808624417106,0.7514969844292158,0.7207274332783539,0.6651279389169911,0.6571301523514562,0.6399060000377561,0.6330313655949653,0.620235727960614,0.6168390974350554,0.6010218340027739,0.5997562951800663,0.5988359361756739,0.5770749764008885,0.5746678334433927,0.5647397350163059,0.5621925825838886,0.5556702315966019,0.5518360005876471,0.5509495083422263,0.5500499835584768,0.5436712682203999,0.5366846277440859,0.5063031681272199,0.5047337110214197],"twin_dists":[0.06910033897731316,0.0963385371685809,0.09817138228656327,0.10510918909671427,0.1172869260528972,0.11901396131210333,0.12272059990999334,0.12419631878436238,0.1269393619999946,0.12766696072566144,0.1310541070507402,0.13132512065893528,0.13152222218417928,0.1361866473744152,0.13670338135578738,0.13883701753231126,0.1393851352222508,0.1407902065057254,0.141617320269164,0.14180868062877627,0.14200290497810464,0.14338172821481315,0.14489530772253925,0.1515273692522487,0.15187257259493378],"n_dims_used":43,"mean_confidence":0.9132257505904796},"coverage":{"mean_confidence":0.9132257505904796,"n_dims_used":43,"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}}