{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004660},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800005341","480:4800004143","480:4800005268","480:4800005076","480:4800005342","480:4800004733","480:4800003980","480:4800004747","480:4800003904","480:4800004065","480:4800004062","480:4800004312","480:4800005429","480:4800003986","480:4800004225","480:4800004649","480:4800003908","480:4800004142","480:4800005592","480:4800003924","480:4800005181","480:4800005510","480:4800005427","480:4800005598","480:4800004924"],"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":[0.7955218209876662,0.7044597662720019,0.6342477421683024,0.6277198725598906,0.6171688368581485,0.5888558352312532,0.5790795008000467,0.5583858866110627,0.54896236230071,0.5357932755728492,0.5121073468415678,0.49024930750763185,0.43442629458035137,0.42193712236299724,0.4216004984442057,0.4094836455098544,0.363343796711356,0.3514179826924941,0.321290710986409,0.3149206653144312,0.30788724861097977,0.3053330722961344,0.2989194243634934,0.2910507506254494,0.2887736554231604],"twin_dists":[0.08784681923945142,0.10871108391957869,0.12393533025074438,0.12533544443318012,0.12759633348387475,0.13366020568620204,0.13575649186105726,0.14020490814940523,0.14223781235271124,0.14508868023463078,0.15025316495822855,0.15507266421756716,0.16770703974712622,0.17061563253015088,0.17069451836334879,0.17355219768598784,0.184806037418948,0.1878273312080885,0.19571089167611694,0.19742925863342814,0.19934965021838502,0.20005326232390597,0.20183525150301357,0.20405242182335032,0.2047006584626273],"n_dims_used":43,"mean_confidence":0.9169923649277798},"coverage":{"mean_confidence":0.9169923649277798,"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}}