{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006618},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005088","490:4900005880","490:4900007485","490:4900007112","490:4900005883","490:4900007608","490:4900006986","490:4900007113","490:4900006620","490:4900007482","490:4900006031","490:4900006279","490:4900005623","490:4900007359","490:4900007607","490:4900005090","490:4900007361","490:4900006156","490:4900010634","490:4900012635","490:4900006383","490:4900008069","490:4900001153","490:4900005225","490:4900005105"],"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":[0.5784300351888322,0.5717733803406245,0.5695676420582033,0.47170318111539555,0.4303787016233364,0.4175562599015474,0.41039101488794294,0.37195323142505776,0.24402015534979904,0.20678549998231247,0.18125964435898773,0.17377960928744746,0.15285271089185867,0.15005926253539745,0.14820035294162573,0.1383199678638449,0.1283196184058795,0.12444507971100595,0.12171276477129182,0.11561573645554518,0.11483873616213863,0.10728970997671249,0.10482509727744659,0.10400680279796998,0.10176477923322384],"twin_dists":[0.1358958479219813,0.13732500536425732,0.13779893993305942,0.15921206817794514,0.16864588558906216,0.1716443540821753,0.17333694240667172,0.18265609530727078,0.21813536193085767,0.2305828717115345,0.24002722205810303,0.2429706539680482,0.25172077969017526,0.2529536939149548,0.2537835338120088,0.2583285282570023,0.26318295678679154,0.2651406528469064,0.26654924151774756,0.2697817426253043,0.27020301586165024,0.2744148362987102,0.27583959518817935,0.27631840089917986,0.2776454842304462],"n_dims_used":45,"mean_confidence":0.927266099717882},"coverage":{"mean_confidence":0.927266099717882,"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}}