{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000076},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000120","490:4900000431","490:4900000425","490:4900000498","490:4900001083","496:4960008161","490:4900000349","490:4900000105","490:4900000121","490:4900000045","490:4900004460","490:4900001084","490:4900000334","490:4900000166","490:4900000141","490:4900000357","490:4900001885","496:4960009078","490:4900000190","490:4900000191","490:4900000090","490:4900000078","490:4900000731","490:4900002493","496:4960009082"],"twin_admin_codes":[490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,496],"twin_sims":[0.552717296785498,0.5330393778503985,0.5068247457439593,0.4845433961973777,0.4720501734984126,0.4687635075766265,0.46438573496686514,0.457374119586484,0.4437552822456175,0.43816055827501615,0.4352638491914369,0.43493678909122074,0.4263844760120173,0.4213127357175132,0.4200255661137552,0.41267031803984977,0.4091500893323418,0.404629937960415,0.3958195969107714,0.38918717388590507,0.38798544870341356,0.384768831861066,0.3663145112657587,0.3580465886665451,0.3542348963739239],"twin_dists":[0.141427129974277,0.14568652628626821,0.15141271091214392,0.15634086470235675,0.15913414449891383,0.1598730024901954,0.16085989409627433,0.1624473472720587,0.16555630590877204,0.16684397316142704,0.16751320744155787,0.1675888800559871,0.16957588157656642,0.1707619748925709,0.17106394791260354,0.17279714061676288,0.17363137994439168,0.1747072417085765,0.17681988000486087,0.17842456406637214,0.1787166802989675,0.17950069004712518,0.18406133763087137,0.18614164693707652,0.1871089831768226],"n_dims_used":45,"mean_confidence":0.9149425930447048},"coverage":{"mean_confidence":0.9149425930447048,"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}}