{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002192},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001917","470:4700004807","499:4990001386","470:4700006724","485:4850008275","472:4720002554","470:4700008084","485:4850008419","489:4890001319","470:4700005599","499:4990000664","481:4810001949","499:4990002588","472:4720002595","481:4810001947","499:4990001372","485:4850008256","472:4720001660","470:4700008831","468:4680005408","499:4990002470","499:4990001557","472:4720000739","500:5000005202","499:4990000745"],"twin_admin_codes":[499,470,499,470,485,472,470,485,489,470,499,481,499,472,481,499,485,472,470,468,499,499,472,500,499],"twin_sims":[0.5742529238803669,0.47597742319178477,0.3988539698740332,0.3707204195255205,0.35253681004703463,0.33934104684686794,0.3038504132639146,0.29300890503035565,0.2891259877996552,0.27591481506106935,0.27129372469546775,0.2695292611963319,0.2663202465850482,0.25549281676648533,0.2551984629104609,0.24823497960335325,0.24530945351051667,0.2451749923301345,0.2414411349956624,0.24114510114552867,0.2410845003173814,0.23948459172375114,0.23834805631563513,0.2382517427697344,0.23064758449846517],"twin_dists":[0.1367924695855109,0.15825352631198614,0.17608987418092206,0.18296241767213217,0.18754165901876774,0.19094196763875718,0.20046325988268707,0.20349738941755882,0.20460015864988368,0.20842027737441082,0.20978273325508964,0.2103067256423862,0.21126517699816025,0.2145533593239509,0.21464396637832153,0.21680712460869844,0.2177275023318452,0.21776997345363186,0.21895541185673711,0.21904990380406308,0.21906925644026043,0.21958132712306083,0.21994644183664758,0.21997743484069943,0.222450721981753],"n_dims_used":45,"mean_confidence":0.925308820936415},"coverage":{"mean_confidence":0.925308820936415,"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}}