{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000402},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000442","477:4770000394","477:4770000662","477:4770000395","477:4770000441","477:4770000453","477:4770000495","477:4770000392","477:4770000447","477:4770000552","477:4770000272","477:4770000656","477:4770000443","477:4770003853","499:4990000530","499:4990002475","477:4770000044","477:4770000763","477:4770000317","477:4770000150","477:4770003925","477:4770000612","499:4990000537","477:4770003767","477:4770003893"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,477,477,499,499,477,477,477,477,477,477,499,477,477],"twin_sims":[0.9297548503782722,0.9035360345523606,0.8983661313022006,0.8938975084179304,0.8924113459082833,0.8831926141172579,0.8814046913227355,0.8750720794649264,0.8472649678253081,0.8171188610276247,0.8015082260717676,0.7999660376998486,0.7952146300578714,0.7897375694930572,0.7869919745409453,0.7838592036560568,0.7828839909818577,0.7803314878602923,0.7765526509098708,0.7759684586595695,0.7731553141051597,0.7717092016072731,0.7686290546321641,0.767213753302942,0.7629130953205545],"twin_dists":[0.049568628958181656,0.05849812373553994,0.060129945131312056,0.06151285534631842,0.061967445323370896,0.06473222903424432,0.06525812501922712,0.06709598571448663,0.07477473326562613,0.08254353044479533,0.08639534452024265,0.08677054460785828,0.08792094661289608,0.08923701997810332,0.08989289225161327,0.09063822427814575,0.09086959793656284,0.09147377678410899,0.09236456467012477,0.09250189544050261,0.09316180904230213,0.09350015707531908,0.094218869754848,0.09454823944230674,0.09554581948802271],"n_dims_used":45,"mean_confidence":0.9217117309570313},"coverage":{"mean_confidence":0.9217117309570313,"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}}