{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001888},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001886","489:4890001884","489:4890002467","489:4890002056","489:4890001800","489:4890001472","489:4890002137","489:4890002385","489:4890002548","489:4890001716","489:4890001972","489:4890001550","489:4890001882","489:4890001402","489:4890002545","489:4890002054","489:4890002220","489:4890001798","489:4890002216","489:4890001966","489:4890001469","489:4890002463","489:4890002136","489:4890002465","489:4890002384"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.743501152128631,0.6464477968160084,0.6308671999000626,0.6005538413886057,0.5920048175002458,0.5870362153920735,0.5763231845352734,0.5691786017592211,0.55562651288564,0.5316496440353623,0.5234456389654449,0.47705144216265927,0.4701653769986105,0.43632848195189916,0.4147476285384433,0.4015244417359183,0.3964936084160087,0.38706657549775375,0.3629548860644851,0.36205950772587026,0.35395089812015235,0.33360407229493766,0.32545569245559214,0.3249855817939118,0.30003513679767213],"twin_dists":[0.09999238503042662,0.12131456653691067,0.12466055258581317,0.13115432578696068,0.13298545122882058,0.13405019794831535,0.13634801052841455,0.13788255176198566,0.14079963251820815,0.1459884641561117,0.14777435065483202,0.15801311196398143,0.1595576427197059,0.16726703779504998,0.17230630532704908,0.17544950864636913,0.17665750597499386,0.17894032874221488,0.1849037569434653,0.185128935879602,0.18718127141597848,0.1924422990256929,0.19459766227118294,0.19472291650295362,0.20152366766830523],"n_dims_used":45,"mean_confidence":0.9180558946397569},"coverage":{"mean_confidence":0.9180558946397569,"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}}