{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004150},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003477","490:4900004305","490:4900003725","490:4900002022","490:4900002458","490:4900002606","490:4900003072","490:4900003338","490:4900004161","490:4900002476","490:4900002016","490:4900003465","490:4900002907","490:4900001720","490:4900004014","490:4900003878","490:4900002469","490:4900001699","490:4900002171","490:4900003466","490:4900001700","490:4900002003","490:4900003737","490:4900002487","490:4900001701"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6657542603147278,0.5886308209794456,0.5808749705946522,0.5651379106314147,0.5639655550377098,0.561400629776244,0.5581930415123054,0.526550941728784,0.510383936660014,0.49950745195997454,0.49596947340832925,0.48640743020184285,0.48344965387029815,0.4829406388840475,0.4821783740215462,0.47369691994646174,0.47310809487324773,0.45892567748701196,0.4496413291373026,0.4434417224924793,0.4396566234595058,0.42388756918584153,0.4213840414183834,0.4172816945357848,0.4125148145587348],"twin_dists":[0.11715148928802147,0.13370842835738073,0.13537130528363173,0.13875136313542066,0.13900357857263945,0.13955562014562564,0.1402464579846377,0.1470976579935953,0.15063111781521318,0.15302419920942228,0.1538057115072828,0.15592606463386133,0.15658448300054623,0.15669791869501817,0.15686786203179054,0.15876459634689985,0.15889668612174004,0.162095327802811,0.16420830764200023,0.16562830678769666,0.16649901754859806,0.17015907568989236,0.17074525780187458,0.1717089804871893,0.17283392670745512],"n_dims_used":45,"mean_confidence":0.9181972079806857},"coverage":{"mean_confidence":0.9181972079806857,"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}}