{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910005249},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910005579","491:4910004987","491:4910005478","491:4910005580","491:4910005628","491:4910005293","491:4910005246","491:4910005736","491:4910005193","491:4910005296","491:4910005195","494:4940006864","491:4910005136","492:4920006795","491:4910005333","491:4910005528","491:4910005143","491:4910005145","491:4910005438","491:4910005629","480:4800001234","487:4870001971","491:4910005578","491:4910005239","491:4910005292"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,494,491,492,491,491,491,491,491,491,480,487,491,491,491],"twin_sims":[0.1919683086304974,0.03827171332396192,0.013246399210809843,0.006752963283917719,0.006700786403877625,0.0024311140822627707,0.0020769430352593206,0.0018340666493158106,0.0016395759667944085,0.0014784916110161853,0.0014729671698702335,0.0014378936579719866,0.0014280176469911488,0.0011262878063506116,0.0009805378762461313,0.0009021401812700999,0.0008669528775432533,0.0008518639946518678,0.0008163594873950603,0.0007726283071135642,0.0007310821351137049,0.000719509501717994,0.0006014701361385376,0.0005897597523520495,0.0005502788474638626],"twin_dists":[0.23595910383939922,0.3317800918297316,0.3819294690558287,0.4106077524740519,0.41092625954343226,0.45062538176056116,0.45648095020770235,0.4610533164693267,0.4651362836997116,0.46887146647562655,0.4690061187406007,0.46987203776102443,0.4701193834419138,0.4785598423049422,0.4834196143858064,0.4863185039012868,0.4876964576716913,0.488303328968593,0.48977168159920376,0.4916641389517814,0.4935567067040463,0.49410170752421945,0.5001814930059523,0.5008440939381475,0.5031722289480592],"n_dims_used":45,"mean_confidence":0.888631608751085},"coverage":{"mean_confidence":0.888631608751085,"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}}