{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002142},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001548","490:4900004130","490:4900001986","490:4900001985","490:4900002886","490:4900002297","490:4900002296","490:4900002581","490:4900004282","490:4900004283","490:4900004550","490:4900004402","490:4900004544","490:4900002444","490:4900004407","490:4900004554","490:4900002288","490:4900001680","490:4900002898","490:4900004143","490:4900002298","490:4900004275","490:4900003991","490:4900003179","490:4900003858"],"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":[0.8324024317461226,0.8031758975092437,0.7646239310411926,0.7250246525884599,0.703546567185685,0.6685367775527168,0.6212926698628699,0.6177202381770279,0.5844073106447678,0.5742401460868081,0.5560245874102302,0.5170114337635607,0.5081920114247013,0.471565007579005,0.45301543353959445,0.4423345524888498,0.42289492281478064,0.4222014164864135,0.4211670443991388,0.40450801695267663,0.40145510016663344,0.3879236714559631,0.3827120327120124,0.37958524150927986,0.3722306688990006],"twin_dists":[0.07866562409839456,0.08598859037751745,0.09514955580862514,0.10415085632821008,0.10891216134785207,0.11654943566194904,0.12671291661270698,0.12747822518330146,0.13461377392941024,0.1367952132981928,0.1407138093686323,0.14917941149106478,0.15111229262041537,0.1592431029861591,0.16343857564262199,0.16588269690096052,0.17039132219090608,0.17055371530701421,0.1707961348462716,0.174736334580543,0.1754661119369753,0.17873170867446475,0.18000364480368322,0.1807707394286835,0.18258722844931838],"n_dims_used":45,"mean_confidence":0.9195333692762587},"coverage":{"mean_confidence":0.9195333692762587,"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}}