{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005375},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002446","490:4900001543","490:4900005893","490:4900002435","490:4900001811","490:4900003186","490:4900005896","490:4900004964","490:4900005242","490:4900001404","490:4900002293","494:4940006832","490:4900002135","490:4900001974","490:4900004541","490:4900007731","490:4900001683","494:4940007581","490:4900005092","490:4900004819","490:4900004536","494:4940008776","490:4900005096","490:4900004124","494:4940008201"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,494,490,490,490,494,490,490,494],"twin_sims":[0.4314564462279392,0.34861449947223433,0.3116398967640033,0.30798089781981786,0.30306944631598354,0.29978747403862466,0.29771303105529606,0.29468418403805524,0.29185366241232785,0.2887914499966618,0.2763029575172994,0.2625376392381127,0.2585426432595754,0.25836064043503254,0.2549215632236494,0.2517928581621727,0.241844815729723,0.23341142603194096,0.23044663626528325,0.23033835523631785,0.2289253625932896,0.22653712044331975,0.22560797717574774,0.21653568429337042,0.21354083404485621],"twin_dists":[0.168395553649122,0.18854524418473412,0.19832195124269375,0.19932391625871315,0.2006796861996734,0.20159277355931546,0.20217292747869264,0.20302427985891883,0.20382457171523446,0.20469558095632315,0.20830647871664223,0.2124042203973759,0.21361843431125171,0.21367403130428334,0.21472926123735955,0.2156971282153031,0.21882668070808514,0.2215456704525924,0.22251680257124165,0.22255242587318427,0.22301830168856115,0.2238100673721234,0.22411959778529536,0.22718756052617206,0.22821923948316697],"n_dims_used":45,"mean_confidence":0.9210787455240885},"coverage":{"mean_confidence":0.9210787455240885,"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}}