{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000353},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000083","490:4900000028","490:4900000015","490:4900000294","490:4900000247","490:4900000189","490:4900000848","490:4900001196","490:4900000127","496:4960009082","490:4900000191","490:4900000090","490:4900000431","487:4870004562","496:4960009285","487:4870003829","490:4900000430","496:4960006635","487:4870003401","490:4900001728","490:4900000847","490:4900000356","496:4960005839","490:4900000115","487:4870003688"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,496,490,490,490,487,496,487,490,496,487,490,490,490,496,490,487],"twin_sims":[0.470966350414519,0.4492230204792626,0.40237744798761277,0.39205435385315623,0.38693546124853656,0.38148197907826403,0.3764655377605754,0.35801974292120087,0.3468948935061784,0.331153929818112,0.3011736043980488,0.28963322285295284,0.2763043610641105,0.2705610585307602,0.25575627162487313,0.24285879655247042,0.23716510542028732,0.22901636324347213,0.22697530263375196,0.22644637974991738,0.2250834833662491,0.21938552525731067,0.2159494689504978,0.21514154381006576,0.2084774763733001],"twin_dists":[0.1593776010787238,0.16430388585767036,0.17524536889156775,0.17772931311808546,0.17897226165249075,0.1803050520795003,0.1815391482668902,0.18614844129500496,0.188987099768624,0.19308732864400432,0.2012064265236314,0.20445560248291092,0.20830606739116647,0.21000005668117122,0.2144723195725659,0.21850394136237022,0.22032767405909157,0.22298824087441452,0.22366438563656402,0.2238402591365486,0.22429469912386082,0.22621471743751337,0.22738874160646133,0.2276666144562499,0.22998599230051658],"n_dims_used":45,"mean_confidence":0.9128492567274306},"coverage":{"mean_confidence":0.9128492567274306,"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}}