{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000967},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000345","490:4900000344","490:4900000519","490:4900000950","490:4900000523","487:4870002453","490:4900000251","490:4900001755","490:4900004598","490:4900000620","490:4900000189","490:4900000269","494:4940000995","490:4900002192","490:4900000727","490:4900000155","496:4960009284","490:4900000234","490:4900000430","490:4900000115","490:4900002510","496:4960006511","490:4900000236","490:4900002058","490:4900004600"],"twin_admin_codes":[490,490,490,490,490,487,490,490,490,490,490,490,494,490,490,490,496,490,490,490,490,496,490,490,490],"twin_sims":[0.5659389790102466,0.5640236323105129,0.522003928219945,0.47582302218454214,0.3818293024458144,0.3781608095707652,0.3636444871523102,0.3497377638895274,0.3119811608938119,0.2964717914633552,0.2754002179762541,0.2664987333850254,0.25300669054112246,0.2514038029921499,0.2423294385689649,0.2397508128014191,0.23322970327615916,0.23215586976163793,0.22803426387234382,0.22623667483691157,0.22042650390445642,0.21959695469967558,0.2192769205902248,0.2117497890092767,0.20900036027797117],"twin_dists":[0.13857906217491514,0.13899108252976747,0.14808882997022982,0.15828810281595826,0.18021989814679645,0.18112120656371086,0.18473052080494937,0.18825723803614172,0.19822884500637475,0.20252119701023083,0.20857130208473512,0.21121167978079056,0.2153207252631081,0.21581801676500104,0.21867232135592224,0.21949596596619225,0.22160496061407048,0.22195593808307193,0.22331308222048066,0.22391006407913272,0.22586147605581136,0.22614288111293826,0.226251635545541,0.22884090617109892,0.22980220227256953],"n_dims_used":45,"mean_confidence":0.9175998263888889},"coverage":{"mean_confidence":0.9175998263888889,"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}}