{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":493,"cluster_id":4930002406},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["493:4930003793","493:4930003502","487:4870004901","496:4960000000","485:4850001200","496:4960000029","466:4660006601","466:4660000186","496:4960009894","466:4660000165","496:4960012457","496:4960000237","466:4660008843","493:4930003604","466:4660003923","470:4700001309","487:4870012740","493:4930004170","466:4660000388","478:4780002609","485:4850002592","496:4960002392","472:4720001742","469:4690005652","496:4960000357"],"twin_admin_codes":[493,493,487,496,485,496,466,466,496,466,496,496,466,493,466,470,487,493,466,478,485,496,472,469,496],"twin_sims":[0.28132327680968977,0.21300242727002142,0.2088415633126428,0.10269930626912672,0.08430144852728709,0.07781436123241921,0.053629374775082186,0.05199999300556831,0.050946431540735276,0.03845431801355114,0.03277391036449977,0.032330632089863774,0.027118118401075204,0.02545217343992251,0.020973557646563414,0.02031958734933243,0.0195394183859931,0.01779883511424943,0.01777089187579487,0.015521669093300088,0.013790125169010964,0.01337087827483762,0.012630578977163142,0.012298272954422231,0.012266052597291948],"twin_dists":[0.20684328183255002,0.2284057467135804,0.22985798516137584,0.2770895800687068,0.2888565231737946,0.2934950361221986,0.31415982517631713,0.3158120120626244,0.3169033595943494,0.3315380135392022,0.33957261198277394,0.3402483603299929,0.34885521214350246,0.3519073384570223,0.3610647530428477,0.36254155315459796,0.3643585352179428,0.36865244480156933,0.36872432587034537,0.37486367926782427,0.38014874797024323,0.3815161690479022,0.3840261217399303,0.38519540011307557,0.3853102571494855],"n_dims_used":44,"mean_confidence":0.9225500280206854},"coverage":{"mean_confidence":0.9225500280206854,"n_dims_used":44,"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}}