{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004397},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003558","490:4900011210","490:4900009792","490:4900011550","490:4900004390","490:4900010548","490:4900009796","490:4900001521","490:4900004396","466:4660004460","490:4900011814","490:4900011812","490:4900004244","490:4900010639","490:4900003827","490:4900004532","466:4660004810","490:4900010208","490:4900003428","490:4900009184","490:4900004115","490:4900004666","490:4900009803","490:4900003547","490:4900010895"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490],"twin_sims":[0.2547515616305447,0.20296964515331598,0.1810177889099323,0.1785124232254056,0.1713805927424616,0.1628347023213976,0.16055136981417517,0.1579943128219958,0.15570215001940332,0.15265022547530138,0.14601738200952605,0.14380560449587013,0.1408046071385523,0.13977877714216091,0.13829620276668228,0.1359746977887875,0.13473746583868534,0.13175565708404002,0.13035944734253627,0.12876320159983135,0.11584605801671592,0.11381113747043616,0.11276189815382821,0.11187502469101337,0.10876453121502876],"twin_dists":[0.21478165682905795,0.2319413515098555,0.24012103159433704,0.24109806091548555,0.24393378078548758,0.24744547379372564,0.24840622501130818,0.24949401075975983,0.2504800717084886,0.25180958939756937,0.2547679072105008,0.2557764428536982,0.2571634300574835,0.2576425888344805,0.2583397473543962,0.2594427095072591,0.2600362988039034,0.2614838984074508,0.26217021719221245,0.26296169573002687,0.2696572852199381,0.270763537999238,0.27133989949466963,0.27183030407825876,0.27357437250347205],"n_dims_used":45,"mean_confidence":0.9225234137641058},"coverage":{"mean_confidence":0.9225234137641058,"n_dims_used":45,"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}}