{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002932},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001726","490:4900003224","490:4900002486","490:4900003080","490:4900000798","494:4940008024","494:4940008313","490:4900001180","490:4900000912","490:4900002185","490:4900001436","490:4900001293","490:4900001045","490:4900000588","490:4900000569","490:4900000494","490:4900003350","494:4940007386","490:4900001706","490:4900002027","490:4900003057","494:4940008513","490:4900001457","490:4900005784","490:4900000466"],"twin_admin_codes":[490,490,490,490,490,494,494,490,490,490,490,490,490,490,490,490,490,494,490,490,490,494,490,490,490],"twin_sims":[0.7018873204105727,0.6902404681550969,0.6813513084243601,0.5944826442226702,0.575826190439036,0.5406866772976924,0.5245721966536304,0.5221542573171538,0.513320168498004,0.488893224696003,0.48718993804694205,0.48566562354725257,0.4819010401217238,0.4777731007586576,0.4755491073695287,0.46445815018779857,0.46378438672571104,0.4602320008904046,0.45762917670312303,0.45368885778006995,0.4510040410043524,0.44929168204694514,0.44494972698624985,0.44236222488696847,0.44039210228559234],"twin_dists":[0.1092772302294594,0.11183018995059883,0.11376845477990638,0.1324546283961957,0.13645469506584734,0.1440278578768695,0.1475287527815566,0.14805602948714516,0.1499873799240499,0.15537366091695143,0.15575208006307184,0.15609107876306752,0.15692971325048632,0.15785167061609212,0.1583494522230396,0.16084354329211714,0.16099570828139098,0.16179927788225246,0.1623894501119363,0.16328520222493925,0.16389717559677786,0.16428819527329802,0.1652822114134299,0.16587633572689583,0.16632960304976033],"n_dims_used":45,"mean_confidence":0.9175815158420139},"coverage":{"mean_confidence":0.9175815158420139,"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}}