{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001534},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001700","480:4800001368","480:4800002383","480:4800002334","480:4800001983","480:4800001539","480:4800002432","480:4800001475","480:4800001641","480:4800002092","480:4800001420","480:4800001418","480:4800001877","480:4800001985","480:4800001533","480:4800001819","480:4800001593","480:4800001252","480:4800001649","480:4800002382","480:4800001421","480:4800002290","480:4800002037","480:4800001643","480:4800001476"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6362141764951013,0.5773676790634652,0.5746197645864403,0.5583150415884828,0.4951393729757801,0.48574803531066374,0.4423020951918337,0.4245040522094652,0.41663360035667135,0.39798808402732716,0.3783797363025815,0.37101070320995694,0.369960894044014,0.3643889526865504,0.3311423011000476,0.318700542115418,0.3025348049684616,0.30188027191126854,0.3012314793059606,0.29131545061952546,0.28742650249179885,0.28175950449292825,0.2772035746488578,0.25784025606016503,0.256983988974306],"twin_dists":[0.12351330273596794,0.13612382741472107,0.13671370224489907,0.14022017197156794,0.1539893042415572,0.15607274253012457,0.16589015819673952,0.17001495333253958,0.1718615992697204,0.17629792785161102,0.1810673002522548,0.1828902441979786,0.1831513919462661,0.18454368843322796,0.19309039625313487,0.1964072730311636,0.20082803618962541,0.20100986104767404,0.20119031803068993,0.2039772640816558,0.20508559985389335,0.2067168926118086,0.20804280447908202,0.21383313121238526,0.21409536408748728],"n_dims_used":43,"mean_confidence":0.9131420046784157},"coverage":{"mean_confidence":0.9131420046784157,"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}}