{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002485},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003490","490:4900003198","490:4900002488","490:4900002487","490:4900002178","490:4900003895","490:4900003075","490:4900001596","490:4900002333","490:4900003738","490:4900004149","490:4900003896","490:4900002920","490:4900001572","490:4900002327","490:4900001722","490:4900002784","490:4900003074","490:4900002918","490:4900003595","496:4960005701","490:4900003755","490:4900003330","490:4900001862","490:4900002612"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490],"twin_sims":[0.6951517583632338,0.6930684194933031,0.6874595832719346,0.6862256820377536,0.6362141940591968,0.5824868017106316,0.580697379307187,0.5631815527394477,0.556743199106931,0.55066648926222,0.5365315965403006,0.5337432834164899,0.5193203322117094,0.5094450926596942,0.5085124118298664,0.5009616797980008,0.4998405640169029,0.49568467257175924,0.48418264884445217,0.47780338591254984,0.4716511204074047,0.4646332344675322,0.4634319811078072,0.4619120879294204,0.45750055679275836],"twin_dists":[0.11075561953295697,0.11121178286693058,0.11243744342732556,0.11270662198101312,0.12351329896583725,0.13502559603547365,0.1354094000541715,0.13917228244350532,0.14055890278349847,0.14186978422988109,0.14492850224233025,0.1455336554191083,0.1486747376792278,0.15083714867169457,0.15104192426813015,0.15270342305898973,0.15295069782826473,0.15386869073904852,0.15642119804009494,0.15784489728736853,0.1592237610444872,0.16080401426262503,0.16107532747381334,0.16141896126724037,0.16241864497067998],"n_dims_used":45,"mean_confidence":0.9177562289767796},"coverage":{"mean_confidence":0.9177562289767796,"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}}