{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":474,"cluster_id":4740003320},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002459","496:4960002128","474:4740002855","469:4690004949","481:4810000950","478:4780004484","478:4780004579","487:4870010585","500:5000000499","469:4690000417","494:4940001492","481:4810001873","470:4700002357","467:4670001181","485:4850004227","466:4660011369","466:4660014336","478:4780004695","469:4690001796","474:4740002067","470:4700005320","493:4930000721","494:4940008308","484:4840003094","466:4660003980"],"twin_admin_codes":[499,496,474,469,481,478,478,487,500,469,494,481,470,467,485,466,466,478,469,474,470,493,494,484,466],"twin_sims":[0.0013043549719704336,0.0003951784580825214,0.00018201854608932444,0.00017514465162620876,0.00014753011568303625,0.00013779340724173059,0.00013510573082490241,0.00012455139529121668,0.00011242322402001423,0.0000975617226530483,0.00008601276058123028,0.00007224672774774763,0.00006910881431081344,0.000060961211910340405,0.00005908247286460806,0.00005011769644116722,0.0000469778460873493,0.00004391311206215109,0.00003694661417790582,0.00003684866174956942,0.00003161938105703882,0.00002942911399833397,0.00002858465738268634,0.000028309149872912596,0.000027197186827725956],"twin_dists":[0.4733580903537794,0.5141512008713065,0.538983878331606,0.5401872703995769,0.5455185552810131,0.5476255987843694,0.5482319753774105,0.5507288427648379,0.5538576661662353,0.558158945373448,0.5619534115079279,0.5671642361748687,0.5684832932710664,0.5721932323091586,0.5731152681545733,0.577938152739836,0.5798233191864542,0.5817825502896535,0.5867693273532999,0.586845635155804,0.5912282748999349,0.5932727451634132,0.5940999204598004,0.5943748298428169,0.5955109082895635],"n_dims_used":45,"mean_confidence":0.920571051703559},"coverage":{"mean_confidence":0.920571051703559,"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}}