{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003930},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002841","490:4900003384","490:4900003381","490:4900003386","490:4900004490","490:4900001241","490:4900002840","494:4940006458","490:4900003382","494:4940006139","490:4900003644","494:4940006235","490:4900000458","494:4940006344","490:4900012376","490:4900001925","490:4900004094","487:4870002587","490:4900003659","494:4940006671","492:4920005435","487:4870005220","494:4940001271","490:4900002982","494:4940004942"],"twin_admin_codes":[490,490,490,490,490,490,490,494,490,494,490,494,490,494,490,490,490,487,490,494,492,487,494,490,494],"twin_sims":[0.006830769277749575,0.0061391873768802925,0.004836579003205012,0.0033445173291921635,0.0024905553207250604,0.0010692283381804602,0.0007475726952349795,0.0006529428116409399,0.00031514352326139915,0.00028242848032073906,0.00018823070104637067,0.00014693323004398858,0.00012671819186308244,0.00010578645520065589,0.00010112736694557123,0.00009903615625030324,0.00009357270420919641,0.00008910442834072638,0.00008371332785124548,0.00008280363233339863,0.00007793579741430072,0.00007275437967291381,0.00006567736044636815,0.0000655052627979084,0.00006174915070878518],"twin_dists":[0.4101368854129434,0.4145036542545012,0.42409728332761176,0.43852338986884914,0.44972028516028,0.4803887897728745,0.4927938147892859,0.4974047392069492,0.5215227205844295,0.5250555905928574,0.5379326077479554,0.5456438921250021,0.5502003521564872,0.555707664991411,0.5570731373322025,0.557705473048794,0.5594190889170929,0.5608924571364775,0.562766171104835,0.5630935610209793,0.5649055067309557,0.5669559573622781,0.569992367500937,0.5700700061455738,0.5718145317669471],"n_dims_used":45,"mean_confidence":0.9159493340386284},"coverage":{"mean_confidence":0.9159493340386284,"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}}