{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000020},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000953","490:4900003893","490:4900000475","490:4900002498","490:4900003892","490:4900002176","490:4900002004","490:4900000145","490:4900003753","490:4900001093","490:4900000019","496:4960006105","490:4900002469","490:4900004037","490:4900002188","490:4900000619","490:4900002187","490:4900000274","490:4900000521","490:4900004171","490:4900002499","490:4900003898","490:4900001740","490:4900004323","490:4900001573"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5031503107877403,0.4927421120278676,0.4739056296723424,0.47155383775944926,0.4614347175530983,0.45957545689003837,0.4580862958614393,0.4475261708653626,0.439340914157174,0.4090666693451635,0.40242997248263807,0.39806010156014004,0.38776152086267107,0.3831370059937039,0.37581403520795514,0.37361176290220044,0.37237978657194565,0.3603094692362641,0.35661538944961607,0.34762107586585295,0.34319752362707745,0.34273179716822966,0.34207112595296346,0.338968956427828,0.3376603975313721],"twin_dists":[0.1522211351667881,0.1545200062432573,0.15871779002428643,0.15924561194403283,0.16152697239874367,0.1619480318298179,0.1622857145840898,0.16469193808169183,0.16657177389353772,0.17365118729778328,0.17523280521868295,0.17628061571431447,0.17877115996369133,0.17989961916332955,0.18170000971876507,0.18224478300369548,0.18255022422580328,0.1855698721838742,0.1865042332055025,0.18880036561557254,0.18994108263787401,0.1900616341307416,0.19023279624142864,0.19103885930583708,0.19138006109014946],"n_dims_used":45,"mean_confidence":0.918340555826823},"coverage":{"mean_confidence":0.918340555826823,"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}}