{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000992},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000334","477:4770003977","499:4990000340","477:4770003530","477:4770003843","499:4990001288","499:4990000288","477:4770003590","499:4990000991","499:4990000520","499:4990000845","477:4770003587","499:4990000990","477:4770003759","477:4770003847","499:4990000662","499:4990000661","499:4990000913","499:4990000453","499:4990000389","499:4990000591","499:4990000914","499:4990001476","477:4770003972","499:4990000833"],"twin_admin_codes":[499,477,499,477,477,499,499,477,499,499,499,477,499,477,477,499,499,499,499,499,499,499,499,477,499],"twin_sims":[0.9671310316716001,0.9322571002733832,0.9203528247807654,0.911446877976316,0.9078603264950054,0.8764803959142875,0.8513542452135412,0.8425761018457173,0.8355960486194239,0.8334200236338171,0.829322990109076,0.8260301045546339,0.8185252306581113,0.8079109363135984,0.8029588599308647,0.7976575463753944,0.7975603842095949,0.7958214299207601,0.7816426903473401,0.7795301422798437,0.778922743529506,0.774920801017109,0.7732499194141468,0.7725732510631034,0.7707957908064419],"twin_dists":[0.03357766134888107,0.04864545747758451,0.05291430805909106,0.05592811221659034,0.05710483516673292,0.06669050274222788,0.07368061767737648,0.07601625795581127,0.07784022344363678,0.07840322484166631,0.079456354894226,0.0802964832935106,0.08219137628193152,0.08482771875695597,0.08604158795290033,0.08733050894729621,0.08735403398729949,0.08777448875517524,0.09116366813646944,0.09166303983290355,0.0918063655979406,0.09274792571395983,0.09313965343710309,0.09329806613145782,0.0937135645477098],"n_dims_used":45,"mean_confidence":0.9257500542534722},"coverage":{"mean_confidence":0.9257500542534722,"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}}