{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004573},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003356","490:4900001465","490:4900002480","490:4900002922","490:4900003897","490:4900003888","490:4900002309","487:4870002282","490:4900002437","494:4940004048","487:4870006893","490:4900002626","490:4900008430","490:4900000204","490:4900002899","466:4660012612","490:4900001863","490:4900002608","490:4900004302","490:4900002020","490:4900003752","490:4900003214","494:4940006221","494:4940006332","490:4900002776"],"twin_admin_codes":[490,490,490,490,490,490,490,487,490,494,487,490,490,490,490,466,490,490,490,490,490,490,494,494,490],"twin_sims":[0.45937024282649086,0.421637466200398,0.3451804535462649,0.3427042453189355,0.3320880086125329,0.2960905942998656,0.2757110530774717,0.26974349682348714,0.2601122159784822,0.25919953965742537,0.25784714661711167,0.25301501656878167,0.25190059850588314,0.24442669055251842,0.24178780377912315,0.24081528250043674,0.22919277837426494,0.22401185358263254,0.22250836301261162,0.21932397439543558,0.21893619710918721,0.2182595190836305,0.21695509607737426,0.20787960418474583,0.20286620988573553],"twin_dists":[0.16199454296415,0.1706858538918754,0.1894287801615336,0.19006876855439758,0.1928411146598019,0.20262832624222138,0.20848005711080148,0.21024299129037446,0.21313999165248684,0.21341797495014847,0.21383102320253006,0.21531814738038674,0.2156636718265565,0.21800660792450136,0.2188448529998032,0.21915526825638582,0.22292998703407924,0.224653306064905,0.2251583605024761,0.22623563898727894,0.2263675377014453,0.22659807912394522,0.2270438490598967,0.23019652534138169,0.2319784181346102],"n_dims_used":45,"mean_confidence":0.9092254638671875},"coverage":{"mean_confidence":0.9092254638671875,"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}}