{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002449},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002294","490:4900002599","490:4900004274","490:4900002295","490:4900001554","490:4900006521","490:4900001407","490:4900002443","490:4900005641","490:4900012636","490:4900002299","490:4900004693","490:4900003453","490:4900004133","490:4900003578","490:4900002895","490:4900003051","490:4900004409","490:4900006764","490:4900002136","490:4900004125","490:4900003853","490:4900001019","490:4900003869","490:4900004134"],"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":[0.6897833611577813,0.6278730848416342,0.598273775221305,0.5709327181238799,0.3677706648646964,0.3513066251872638,0.3343647530017196,0.3269023799425914,0.3194904571550651,0.31864782627573596,0.30502653124995904,0.30150144293944736,0.3005642322218556,0.30020621565397937,0.2997997894174819,0.2890682999453519,0.27041203954627685,0.26555364824787875,0.2572689528644152,0.2520409469711857,0.2507976249587688,0.24976379179156485,0.24670198517647643,0.24391317283525452,0.24029555313069123],"twin_dists":[0.11193006477657148,0.12530259669976188,0.1316426166644109,0.13750561030819802,0.1836974175953573,0.18785579025387947,0.19224256641516319,0.19421284098087324,0.19619456431541987,0.19642147892836245,0.20013793495235316,0.2011152020966815,0.201376144624366,0.20147595062926213,0.20158933638302004,0.20461660861016853,0.21004430313482475,0.21149520086757295,0.21400803234999938,0.21562010337964135,0.21600660853685227,0.2163289234949807,0.21728853373099213,0.21816926743352616,0.21932149212792126],"n_dims_used":45,"mean_confidence":0.9125435723198785},"coverage":{"mean_confidence":0.9125435723198785,"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}}