{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002983},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001582","499:4990002287","499:4990001851","477:4770003702","499:4990002198","499:4990001838","499:4990003195","499:4990001483","499:4990002026","489:4890002907","499:4990000917","477:4770003891","477:4770003754","499:4990002862","470:4700008458","499:4990002854","499:4990001369","499:4990001934","499:4990002111","499:4990002186","499:4990001746","488:4880000145","499:4990002034","470:4700007743","489:4890002576"],"twin_admin_codes":[499,499,499,477,499,499,499,499,499,489,499,477,477,499,470,499,499,499,499,499,499,488,499,470,489],"twin_sims":[0.6121851216925711,0.5992768465053784,0.5653569098121384,0.5465043245214846,0.5422781570184075,0.5186007419137234,0.5125779292765684,0.49745190760766006,0.4928615900991565,0.4701985030030402,0.45791034121471086,0.4558825263562218,0.4481909896742798,0.44763238659065546,0.4465848751015794,0.44396790979965406,0.44266790874564205,0.4395047586338501,0.4323211194649229,0.4305952142004037,0.42241859658898445,0.41636552692737144,0.4127576863122602,0.407053726409922,0.40128024767484843],"twin_dists":[0.12866368012310953,0.13142779716797118,0.13870425585008275,0.1427689933867965,0.14368323973470604,0.14883196643066918,0.1501500199064495,0.1534780614094735,0.15449353855280162,0.15955019465691322,0.1623256401281603,0.1627861682865055,0.16453983485547424,0.16466763136771118,0.16490744246159597,0.1655074926305277,0.16580607709224604,0.16653401278822022,0.16819489580746264,0.16859557494624436,0.17050284785922526,0.1719247572575007,0.17277647531949242,0.17412968527178932,0.17550798474287882],"n_dims_used":45,"mean_confidence":0.9321684943305122},"coverage":{"mean_confidence":0.9321684943305122,"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}}