{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008574},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008258","490:4900009138","490:4900008003","490:4900008796","490:4900009024","490:4900009665","490:4900008370","490:4900009318","490:4900009320","490:4900008583","490:4900007803","490:4900008889","490:4900009216","490:4900009319","490:4900009228","490:4900007766","490:4900008464","490:4900008457","490:4900008883","490:4900009215","490:4900008930","490:4900009113","490:4900009321","490:4900009225","491:4910005157"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.03221603836570485,0.015925687927127924,0.006547581845732217,0.002932600473665753,0.0024491668649759993,0.0020606897772096873,0.002053847069946498,0.001643173516116781,0.0011787366239512742,0.0010024090371234281,0.000751976142521822,0.0006951001020810757,0.00047526304595399866,0.00046406951532816003,0.00043697666895603184,0.00033939175384402917,0.000320296196825035,0.00024044635046842526,0.0001643062776145551,0.00016169418465178403,0.0001422789532627317,0.000128980896871405,0.00012206839812809326,0.00008677468671428572,0.0000792218236742316],"twin_dists":[0.3404243376897507,0.3737056567446087,0.41187455054274535,0.44355001846066605,0.4503483708619537,0.45677115709676835,0.45689396548795685,0.46505679529723537,0.4769528775601132,0.4826492823786011,0.492592750713349,0.49527852215636387,0.5080613626886666,0.5088520267354375,0.5108421330007789,0.5191197307162175,0.520997924229446,0.5302002014955521,0.542178257800216,0.5426765863379314,0.5466380287098941,0.5496575004367787,0.5513452388382462,0.5616886327147829,0.5644166136024023],"n_dims_used":45,"mean_confidence":0.8971755981445313},"coverage":{"mean_confidence":0.8971755981445313,"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}}