{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000634},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000981","490:4900000534","490:4900000445","490:4900000440","494:4940007834","490:4900000368","490:4900000449","490:4900000635","490:4900000982","490:4900000367","490:4900000441","490:4900000630","490:4900000983","490:4900000531","490:4900000443","494:4940008454","490:4900000984","490:4900000528","490:4900000536","490:4900013223","490:4900000530","490:4900000858","494:4940007734","490:4900000446","490:4900012512"],"twin_admin_codes":[490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490],"twin_sims":[0.6489386169378081,0.3992734103215568,0.398681527046221,0.37040164793188446,0.29909795904902275,0.23505020089409953,0.20916468280535316,0.18688541108578516,0.17272480595314557,0.17155386621639204,0.17067036151777298,0.16152091553466946,0.15900626282296204,0.13945066229602365,0.13847444882096657,0.1368661056523276,0.13301397193079448,0.12823859054621137,0.12791628999047353,0.12649978949899535,0.12391950440489066,0.11136393999731248,0.08875406752127502,0.08190431921065647,0.08184668923153311],"twin_dists":[0.12077868528591702,0.17598916579151172,0.17613129201212868,0.18304170642740622,0.20178534660534933,0.22101235458419294,0.22974450870101076,0.2378696263258086,0.24339294385763555,0.2438638949840281,0.24422076626541458,0.24799706867623703,0.24906200035552448,0.25779640263096193,0.2582556355185536,0.2590175411799893,0.2608700413792435,0.26322343627334055,0.26338464138758494,0.2640968007038007,0.26540976106402453,0.2721142768254067,0.28583518944259056,0.2905361398599495,0.29057700109451634],"n_dims_used":45,"mean_confidence":0.9113301595052083},"coverage":{"mean_confidence":0.9113301595052083,"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}}