{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000663},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000381","480:4800000513","480:4800001003","480:4800000478","480:4800001044","480:4800000729","480:4800000688","480:4800000662","480:4800000444","480:4800000886","480:4800000446","480:4800000603","480:4800001035","480:4800000660","480:4800000648","480:4800000689","480:4800001084","480:4800000372","494:4940000992","480:4800000352","480:4800001140","494:4940000975","480:4800000726","487:4870000162","480:4800000548"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,494,480,480,494,480,487,480],"twin_sims":[0.4865055207573645,0.4628526956980018,0.4528134487427462,0.3232357562857565,0.31853450619287216,0.2817231341422909,0.2633338842478559,0.23905617991223857,0.200520336636618,0.20047233587256943,0.19897055159796156,0.1969821706249258,0.19553015237986746,0.17918366495877205,0.15861152092363767,0.1534948634432112,0.13738258473944895,0.13441978957357628,0.13395373161064913,0.127925302469478,0.12456120151812522,0.11385327330385973,0.10952999020885927,0.10820342457370896,0.10767633764755653],"twin_dists":[0.15590425026957447,0.161206251806069,0.16348459435971147,0.19519001935065236,0.19645202097320474,0.20672742574569272,0.21216360245518626,0.2197188227667896,0.23282258568749695,0.23283992964175823,0.23338401622191715,0.2341087736626022,0.23464123386675698,0.24083534527936998,0.2492302802237789,0.25143970252714454,0.2587721477234896,0.2601893704613101,0.26041443188026286,0.2633801294396681,0.26508131203504887,0.2707404778321564,0.27314163277390313,0.27389308577922855,0.2741936446649809],"n_dims_used":43,"mean_confidence":0.9170142772585846},"coverage":{"mean_confidence":0.9170142772585846,"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}}