{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770003848},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770003889","477:4770003850","477:4770003808","477:4770003923","499:4990000460","477:4770003892","477:4770003952","499:4990000342","477:4770003812","477:4770003851","499:4990000338","477:4770004003","477:4770003814","499:4990000755","477:4770003810","499:4990000598","499:4990003089","499:4990000834","499:4990003155","499:4990001001","477:4770003815","477:4770004019","477:4770003699","499:4990002140","477:4770004018"],"twin_admin_codes":[477,477,477,477,499,477,477,499,477,477,499,477,477,499,477,499,499,499,499,499,477,477,477,499,477],"twin_sims":[0.9230336903302612,0.9013216705393674,0.878905458267714,0.8537323905934908,0.8349772008580468,0.8274056116581182,0.8241619075201156,0.7959148315949927,0.7848476564631648,0.7682319456859512,0.753656558980731,0.7442427357006091,0.7382838972580319,0.7180328413109509,0.7158859883207696,0.6983727443903155,0.6805664911271264,0.6786429384799884,0.6655279722087316,0.6623706726683435,0.6621136002665725,0.6526261506759611,0.6492690786009019,0.6320804126534677,0.6153566843325546],"twin_dists":[0.05197886057222392,0.05920142138205395,0.06598798424286918,0.07303924418692127,0.0780006014337644,0.07994621158028309,0.08077071323148884,0.08775193344860098,0.0904033997558134,0.09431133996055426,0.09767709986317824,0.09982407562597886,0.10117328322472566,0.1057085736738988,0.10618529804028043,0.11004934449751318,0.11393919969233623,0.11435744025716015,0.1172004255477992,0.11788282343947629,0.11793835418889145,0.11998474371185659,0.12070756521360251,0.12440032463939815,0.12798446472615638],"n_dims_used":45,"mean_confidence":0.9253673977322049},"coverage":{"mean_confidence":0.9253673977322049,"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}}