{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002909},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002910","490:4900002008","487:4870001862","490:4900000679","487:4870000760","487:4870002751","487:4870002291","490:4900003332","490:4900003881","490:4900003590","487:4870002646","490:4900000891","490:4900003727","487:4870011568","490:4900003324","487:4870002644","487:4870008689","487:4870001222","490:4900003600","487:4870002544","490:4900003065","490:4900003349","490:4900001420","490:4900004975","487:4870011448"],"twin_admin_codes":[490,490,487,490,487,487,487,490,490,490,487,490,490,487,490,487,487,487,490,487,490,490,490,490,487],"twin_sims":[0.6403897369817027,0.40791311874678865,0.3703681498757082,0.36478814128674497,0.353911813898007,0.322300202435993,0.3177586744157156,0.31514814977808286,0.30984779686172853,0.2939374228653486,0.2831184241031827,0.27165679659021547,0.27062234471264224,0.2671499116661793,0.2633141108281126,0.25522937963103987,0.253666916319146,0.25190927758622106,0.25119575571953484,0.25061695063297856,0.2406046521518155,0.23641858839076646,0.23545596242632316,0.23440438810063086,0.2341754694732007],"twin_dists":[0.12261669332010337,0.17392527083804477,0.1830500404387041,0.18444358673380612,0.18719122217454714,0.1954403363532259,0.19666128782787276,0.19736755683567503,0.19881184479438485,0.2032349728944808,0.2063239268547834,0.2096751730204876,0.2099818640637638,0.2110166930842847,0.2121695722863325,0.2146344465810663,0.21511647514029972,0.2156609771264601,0.2158827108912287,0.21606287551562556,0.21922260559726373,0.22056889460896356,0.22088068174848915,0.22122223325569065,0.22129671903396128],"n_dims_used":45,"mean_confidence":0.9127003987630208},"coverage":{"mean_confidence":0.9127003987630208,"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}}