{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000981},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000634","490:4900000449","490:4900000440","490:4900000534","490:4900000983","490:4900000367","490:4900000441","490:4900000443","490:4900000635","494:4940007834","490:4900000982","490:4900000445","490:4900000528","490:4900000984","490:4900000531","490:4900000858","490:4900000368","490:4900013223","490:4900000630","494:4940008454","490:4900000536","490:4900000446","490:4900000439","490:4900012299","494:4940006780"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,494,490,490,490,490,494],"twin_sims":[0.6489386169378081,0.4438370764115087,0.30521990338786026,0.30511233575119273,0.2767577437711505,0.26869137597197174,0.2434396570869719,0.19708510863094544,0.19031609978156486,0.18700869909646642,0.16189799188939172,0.14756415175694737,0.12823241639582011,0.12075511927628019,0.11155018569929294,0.11066895600743516,0.10410217489140876,0.09959886442080719,0.09238208323559953,0.08614208134841653,0.08306476291914758,0.08287012554399376,0.07867742763644732,0.07822047168675646,0.07787826743641653],"twin_dists":[0.12077868528591702,0.16553752721558568,0.20008451605751373,0.20011422911078103,0.20817326515888615,0.21055629510985188,0.2183194521472228,0.23407112926930027,0.23657620232832968,0.23782285780537876,0.24783842083515603,0.25406930529593397,0.263226521517334,0.26704863905160814,0.2720106772893625,0.27250204835786807,0.2762624454499791,0.27894938800496427,0.2834611309382982,0.28759251381076695,0.2897182064180909,0.28985475534690824,0.29286043072019563,0.29319572557300655,0.293447852982931],"n_dims_used":45,"mean_confidence":0.9115199618869357},"coverage":{"mean_confidence":0.9115199618869357,"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}}