{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000933},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001201","480:4800000892","480:4800000841","480:4800000802","480:4800000468","480:4800001140","480:4800000722","480:4800000537","480:4800000384","480:4800000551","480:4800000512","480:4800000766","480:4800000751","480:4800001038","480:4800000801","480:4800000646","480:4800000438","480:4800000662","480:4800000508","480:4800000532","480:4800000974","480:4800001150","480:4800000500","480:4800000528","480:4800000760"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.629041812085504,0.5685625917527474,0.5426587879946513,0.5052236552473538,0.49387233854714324,0.4585001238160117,0.45600167761556953,0.4488249010440024,0.4467166664713774,0.4416178231855522,0.43256839155645965,0.41173044622310645,0.4092098920288039,0.4054272381611962,0.4028439871265061,0.39617120236379105,0.3933857816914253,0.3781751334713294,0.37353313437023433,0.36062517045109616,0.35689159386143066,0.35664185420606564,0.35288084848000423,0.3461828815700084,0.32353194244524197],"twin_dists":[0.12505200913392767,0.13801495671507263,0.14360084570121648,0.15176477821300022,0.15426970496163184,0.16219183536571172,0.1627590878750283,0.1643948821093185,0.16487725920680238,0.16604750831966392,0.16813754316784155,0.17301956998967477,0.17361718140692092,0.17451708592730567,0.17513380023340655,0.17673515996622916,0.1774072676188137,0.1811176791274724,0.18226426236476784,0.18549024822071455,0.18643420017070353,0.18649752172211806,0.18745391001071554,0.18917039046914563,0.1951108559162524],"n_dims_used":43,"mean_confidence":0.9159725987633993},"coverage":{"mean_confidence":0.9159725987633993,"n_dims_used":43,"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}}