{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011760},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011830","490:4900010923","490:4900011894","490:4900011893","490:4900011839","490:4900011706","490:4900012163","490:4900012102","490:4900010843","490:4900011965","490:4900009529","490:4900011147","490:4900011296","490:4900007783","490:4900011966","490:4900011969","490:4900008906","490:4900010924","490:4900011826","490:4900009929","490:4900011500","490:4900011631","490:4900011825","490:4900011829","490:4900011069"],"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":[0.3500808877203386,0.256089726360477,0.2488584864730074,0.21740943329869977,0.19057269348442865,0.15812763018313622,0.14751820606593313,0.13600338046723986,0.12690935818456403,0.12351265574810463,0.12057805579202698,0.11263503222062274,0.1116599469378845,0.10717733252663729,0.10660760157422484,0.10561838087998142,0.1028227473941067,0.10234982938752321,0.10030294110194585,0.09771844241457976,0.09567289372094076,0.09433255982127176,0.08863788408767934,0.08654095075150083,0.08494371160346431],"twin_dists":[0.18816935748188698,0.21436982334882232,0.21661186916090616,0.2268883811404169,0.23648012018172532,0.2494369812952592,0.25408997857491383,0.2594289964749468,0.263890267809115,0.26561867482003365,0.2671413058229709,0.2714098684040061,0.2719496849125213,0.2744792439981215,0.274806586979508,0.27537819313504486,0.27701644657815105,0.27729700258673046,0.2785231135834246,0.2800995556494509,0.28137062717820666,0.2822151313763482,0.2859124777221204,0.2873214405603075,0.2884129882266741],"n_dims_used":45,"mean_confidence":0.8908118353949652},"coverage":{"mean_confidence":0.8908118353949652,"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}}