{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000856},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000857","490:4900000304","494:4940007622","494:4940008242","490:4900000443","490:4900000629","490:4900000363","490:4900000364","490:4900000440","490:4900000980","494:4940008042","494:4940007837","494:4940007836","490:4900000999","490:4900000641","494:4940007933","494:4940006764","494:4940006763","494:4940008345","494:4940007940","490:4900000362","494:4940007621","494:4940006870","494:4940008346","490:4900000982"],"twin_admin_codes":[490,490,494,494,490,490,490,490,490,490,494,494,494,490,490,494,494,494,494,494,490,494,494,494,490],"twin_sims":[0.5003095703722324,0.40692700830792194,0.3886550040974206,0.36424766057031327,0.35203691143163607,0.3368376474154194,0.33001967985009795,0.28529770849699737,0.22792162942248825,0.20357270570944824,0.19408834446481388,0.1733356154772319,0.15873224714643663,0.15218719351361587,0.14943257207819116,0.13729119472362966,0.13646158996362925,0.13563867580020741,0.1314565948902877,0.13039480733803796,0.1262217169110779,0.11887909697518795,0.11053453292020021,0.10929163449704181,0.095658970005173],"twin_dists":[0.15284723443899242,0.17415984252648173,0.17855387179885843,0.18457913251521288,0.1876692405479571,0.19159495529930573,0.19338681768013802,0.2056961012878791,0.2233503965512631,0.23172549900919379,0.23517267068453693,0.24314818272961694,0.2491787818620738,0.25201299976128844,0.25323260516164137,0.2588155193120499,0.2592102222523013,0.2596035214917074,0.26163044194076457,0.26215276742700777,0.26423731327549255,0.268035789645217,0.27257726776871677,0.2732761315618359,0.28137935206988934],"n_dims_used":45,"mean_confidence":0.9110460069444445},"coverage":{"mean_confidence":0.9110460069444445,"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}}