{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003315},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001550","490:4900001274","490:4900005625","490:4900006640","490:4900006270","490:4900005758","490:4900001143","490:4900003590","490:4900006267","490:4900001983","490:4900006156","490:4900003606","490:4900002450","490:4900006639","490:4900012349","490:4900012564","490:4900004125","490:4900005755","490:4900006153","490:4900002931","490:4900005100","490:4900003578","490:4900003439","490:4900005753","490:4900001285"],"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":[0.5633195414278321,0.34425090712299233,0.290289314030003,0.27820096542804407,0.24568587603056474,0.23558769495747472,0.20718062701599343,0.2047371304612215,0.2010458849911821,0.19554258986194098,0.19353787117438923,0.19130221243312653,0.17506450032078527,0.1607368565143634,0.1592020242052074,0.15680113084490283,0.13968310914181176,0.13782218349707998,0.13734630050749805,0.13226301648046887,0.1318796199422835,0.1314991644430317,0.13117455008611104,0.12864265107887793,0.11811790734226808],"twin_dists":[0.13914258745620509,0.18966873916722485,0.20426884781687735,0.2077514071043909,0.21760868460580685,0.22083796542785764,0.23044318526124496,0.23130995578907604,0.23263287783601744,0.2346366613794661,0.2353762934183774,0.2362074425629446,0.2424587146281629,0.24832780953612094,0.24897865939993696,0.25000599019503505,0.25768740827053155,0.2585638253683083,0.2587893647965879,0.26123585918248354,0.2614232287960967,0.26160956710136707,0.26176887715392155,0.2630217696950631,0.2684397225959611],"n_dims_used":45,"mean_confidence":0.90687255859375},"coverage":{"mean_confidence":0.90687255859375,"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}}