{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001544},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001548","490:4900002288","490:4900002581","490:4900001668","490:4900001986","490:4900002588","490:4900005243","490:4900001985","490:4900002296","490:4900001823","490:4900005377","490:4900004558","490:4900001971","490:4900002142","490:4900001540","490:4900005246","490:4900004827","490:4900004402","490:4900001670","490:4900002297","490:4900004130","490:4900005237","490:4900001813","490:4900004559","490:4900001674"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5334698394392812,0.45759921016232574,0.44936975763987835,0.43377856429145173,0.4242690970002302,0.3984915564035552,0.3907502580095945,0.37729228483237603,0.36987310847293364,0.35386749761207476,0.34522951473165414,0.3433416834037752,0.3305203946528634,0.3226972890764456,0.3205528002255791,0.31750402517177323,0.3172536439133576,0.3156912063601545,0.3073336210613653,0.30415473113977703,0.2989284360435429,0.28809000187329864,0.28793552543019313,0.28786361099972846,0.285329813989473],"twin_dists":[0.14559303578563695,0.16239625181882753,0.1642703544827023,0.16785704424675477,0.17006987122820125,0.17617692918991948,0.17804524200413685,0.18133521296672908,0.1831732459195561,0.1872025056947666,0.1894161247224547,0.18990378509825084,0.19325453873568754,0.19533404231478502,0.1959089612939014,0.1967300377107783,0.19679766566597395,0.19722036276774288,0.19950187423549884,0.200379012888671,0.20183273209525077,0.20489587405801848,0.20494002278954446,0.20496058047252433,0.20568687370422858],"n_dims_used":45,"mean_confidence":0.9201570298936632},"coverage":{"mean_confidence":0.9201570298936632,"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}}