{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870004535},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002624","478:4780005340","490:4900002474","487:4870001473","472:4720004224","466:4660005688","466:4660004040","472:4720006298","490:4900003302","474:4740004582","490:4900000390","496:4960007682","467:4670002133","478:4780005741","490:4900006504","469:4690002095","469:4690003219","496:4960010692","493:4930003014","478:4780008765","467:4670001776","489:4890004054","469:4690002305","472:4720006990","498:4980004179"],"twin_admin_codes":[490,478,490,487,472,466,466,472,490,474,490,496,467,478,490,469,469,496,493,478,467,489,469,472,498],"twin_sims":[0.005467126539514406,0.0012520275633310974,0.0010983110831947463,0.0008601392236061915,0.0007772095504184082,0.000647770784153981,0.0006400411104689205,0.0006064513998055383,0.00035368224446939456,0.0003161105207524532,0.0003136301267534681,0.00028698540089034064,0.0002674162340275192,0.0002057446806085301,0.0001741053440346345,0.0001489458916775892,0.00013093455851162115,0.00011431962956046474,0.00011158651916766441,0.00011096327568512218,0.00010926705352583412,0.00009902005911024586,0.000087045870616317,0.00008604528886753358,0.00007427855908245642],"twin_dists":[0.4191950162808359,0.4748148375304623,0.4794455853286323,0.48796927594667416,0.491461278627094,0.49767434642712616,0.49808104154789146,0.4999032821095016,0.5177778902153762,0.521423622050003,0.5216783884161539,0.5245411468472174,0.5268073002500592,0.5351356725147539,0.5403730797769921,0.5452231664635596,0.5491959774673665,0.5533479984572981,0.5540851223496435,0.5542555994603549,0.5547241950993589,0.5577103892665963,0.5615949236935185,0.5619420622372173,0.5663387916119295],"n_dims_used":43,"mean_confidence":0.9065837416537973},"coverage":{"mean_confidence":0.9065837416537973,"n_dims_used":43,"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}}