{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005555},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004608","490:4900007303","490:4900005951","490:4900005304","490:4900006929","490:4900005290","490:4900003772","490:4900005155","490:4900007425","490:4900004195","490:4900006194","490:4900005162","490:4900006447","490:4900003242","490:4900003630","490:4900003504","490:4900003244","490:4900002966","490:4900004054","490:4900002964","490:4900005020","490:4900004209","490:4900006548","490:4900002967","490:4900006666"],"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":[0.6522816089593446,0.46566288622210483,0.4030849263574187,0.3820773551105993,0.34375353347528964,0.3391845206321901,0.3269677264670519,0.3212056772700795,0.31799196626287174,0.29625095077981106,0.2647309284475855,0.2624881550330138,0.2613271061156553,0.25015762940852765,0.2477099870021836,0.23663605877761412,0.23329209090952152,0.22477508641795801,0.2209306552516469,0.2199729060568236,0.21174992930899983,0.2095926836511979,0.20752565042230334,0.20499295136661466,0.20353246996036614],"twin_dists":[0.12005895660802303,0.16057165284164168,0.17507620455068626,0.18015910539241817,0.18979727564736681,0.19098271981681267,0.19419548096292494,0.19573370338678567,0.1965983312512948,0.20258325078197048,0.21174252506785574,0.21241918913590765,0.21277090958798378,0.21620603760884835,0.21697177361743117,0.22049857256226194,0.22158460216283274,0.22439778354388654,0.2256908007881918,0.22601526039481792,0.22884085733423548,0.22959438239981828,0.2303213601886096,0.2312188791263579,0.23173988685742927],"n_dims_used":45,"mean_confidence":0.8984302944607205},"coverage":{"mean_confidence":0.8984302944607205,"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}}