{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000440},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000443","490:4900000634","490:4900000635","490:4900000981","490:4900000982","490:4900000630","490:4900000534","490:4900000856","494:4940008449","490:4900000629","490:4900000441","494:4940007834","494:4940007940","490:4900000449","490:4900000368","490:4900000364","494:4940008141","494:4940007622","494:4940007517","490:4900000857","490:4900000858","490:4900000304","490:4900000450","490:4900012512","490:4900012515"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,494,494,490,490,490,494,494,494,490,490,490,490,490,490],"twin_sims":[0.39008682825871127,0.37040164793188446,0.3580283222704449,0.30521990338786026,0.25505610269909545,0.23544220823335688,0.227971469722134,0.22792162942248825,0.20299598295774815,0.17466119397075416,0.1672930629074817,0.15005830142816795,0.12950329525098941,0.1213725220908293,0.10420499880932131,0.09938815675285378,0.09754305311406263,0.09500347881255555,0.09477326823211286,0.09338987250593758,0.0929179732814963,0.08439722120911171,0.08355730783858381,0.07716166113513899,0.07499419836552362],"twin_dists":[0.17820615300102405,0.18304170642740622,0.18614626992922834,0.20008451605751373,0.2146878110058793,0.22088514266071685,0.22333388360214293,0.2233503965512631,0.23193191527712967,0.24261911448258688,0.24559730076337521,0.2529541210023232,0.262593813435734,0.26672632840188937,0.27620216268294207,0.27907741701128025,0.2802077159851156,0.2817912324700589,0.2819364171668002,0.2828147724755809,0.28311674181786955,0.2887902137282428,0.2893737972555851,0.2939787303900688,0.29560897063899044],"n_dims_used":45,"mean_confidence":0.9106791178385417},"coverage":{"mean_confidence":0.9106791178385417,"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}}