{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001683},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004537","490:4900001409","490:4900002446","490:4900001987","490:4900002431","490:4900003860","490:4900003992","490:4900003038","490:4900004419","490:4900004549","490:4900002293","490:4900004541","490:4900002135","490:4900004421","490:4900002130","490:4900002889","490:4900004002","490:4900003186","490:4900002883","490:4900005092","490:4900002432","490:4900004399","490:4900002126","490:4900001974","490:4900001820"],"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":[0.5470834463478816,0.5202061087210613,0.5074369580229926,0.5061972288872914,0.49907424765231967,0.49757524754234767,0.4401653897364185,0.389027201612419,0.3768395862602265,0.37515881298288073,0.3601528159917872,0.34403409858505035,0.3371584346242994,0.3326842078632939,0.32962774228730957,0.32162506864914975,0.32150412159412933,0.32014322097137127,0.31607617138336325,0.3119215306804078,0.30966759872526384,0.3065810755195744,0.3039976160634903,0.30277978886244705,0.2960911828452822],"twin_dists":[0.14264380888572273,0.1484812684531493,0.1512781681281925,0.15155066168652287,0.15311980652273557,0.15345081315291254,0.16638181354749254,0.17846342571534402,0.18144685397607166,0.18186192721154038,0.18560939538594146,0.18972475694657642,0.19151113516913376,0.1926841602543316,0.19349043671807836,0.19562122740474658,0.19565365560115694,0.196019010624814,0.19711610585263262,0.19824510957415312,0.19886119395155724,0.19970904584768548,0.2004225023283181,0.20076004020196292,0.20262816077855203],"n_dims_used":45,"mean_confidence":0.9190463595920139},"coverage":{"mean_confidence":0.9190463595920139,"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}}