{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011894},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011829","490:4900011965","490:4900011893","490:4900011440","490:4900010923","490:4900011966","490:4900010924","490:4900011760","490:4900011700","490:4900011500","490:4900011768","490:4900012163","490:4900011892","490:4900011830","490:4900011080","490:4900011832","490:4900011693","490:4900011234","490:4900011441","490:4900011969","490:4900011905","490:4900011581","490:4900011694","490:4900011232","490:4900011707"],"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":[0.5798190088340175,0.49081488472936746,0.4523760531430255,0.3446517827699423,0.30213386745963455,0.26941778906522623,0.2516210251472376,0.2488584864730074,0.23659302420811879,0.21367491087782928,0.2132680105157161,0.21190459611364618,0.20558472352521975,0.20399032277451618,0.17939022211999237,0.16232258292992383,0.1587574903587935,0.15837172547809333,0.15192897243158246,0.14426164555935445,0.14113434915635917,0.13272632855050787,0.12680012053805262,0.12485850185405702,0.12442905719350769],"twin_dists":[0.13559783148134036,0.15494720207712073,0.16358427329974723,0.1895652124806376,0.20093938670896686,0.21033990060822969,0.21575050605955481,0.21661186916090616,0.22051248503229165,0.22817284395873813,0.22831370733282838,0.22878703277505585,0.23100849570199417,0.23157627890978172,0.24075464187041026,0.2476601025735978,0.24916801743449574,0.24933265486655087,0.2521266339816024,0.25556755896524436,0.25700996218012284,0.2610099788901169,0.2639453035348685,0.2649295763467336,0.26514884401138117],"n_dims_used":45,"mean_confidence":0.8909088134765625},"coverage":{"mean_confidence":0.8909088134765625,"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}}