{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009132},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009218","490:4900009535","490:4900009338","490:4900009342","491:4910005402","490:4900008347","490:4900009945","490:4900008669","490:4900010047","490:4900009540","490:4900009943","490:4900010139","490:4900008788","490:4900009835","490:4900010920","491:4910005351","490:4900009539","490:4900009761","490:4900008231","490:4900009839","490:4900009231","490:4900009844","490:4900009862","490:4900009429","490:4900011155"],"twin_admin_codes":[490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490],"twin_sims":[0.07771145145137481,0.02207079898517787,0.016163785308915646,0.012351838013078873,0.0117734860616367,0.011439070846626551,0.007285140584344295,0.0071829347006456745,0.005689588052988899,0.004000823503009182,0.0031093940899575546,0.0028136765440957483,0.0027424114510776394,0.002725005098683744,0.002699111442210473,0.0024292752554368616,0.0024170572410633826,0.002315050315200663,0.002144410082501021,0.0018860177205234213,0.001865107488971515,0.0016272124842301623,0.001375496487059126,0.0013054910650482437,0.001240314564370502],"twin_dists":[0.2935710818648653,0.3586746731206306,0.37303525097696977,0.3850050437894108,0.38710028197909674,0.38835384066438283,0.40747977235825344,0.4080642025748895,0.41758707035143194,0.4315764608203662,0.4413183006507237,0.4451215066737897,0.44609259155978154,0.44633328408615397,0.44669395460688344,0.45065370338651,0.45084238612957006,0.45245273640947886,0.4552981945557954,0.46003030954413443,0.4604389112659842,0.4654106882229891,0.4714619388630688,0.4733270661124966,0.4751486206947497],"n_dims_used":45,"mean_confidence":0.8970362345377604},"coverage":{"mean_confidence":0.8970362345377604,"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}}