{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001905},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001906","491:4910002056","491:4910001498","491:4910001792","491:4910001441","491:4910002520","491:4910002008","491:4910002583","491:4910001538","491:4910002155","492:4920005042","492:4920004870","491:4910001237","491:4910002200","491:4910001830","492:4920004487","492:4920004599","491:4910002141","492:4920004540","491:4910002979","492:4920004032","492:4920003945","491:4910001179","491:4910002336","491:4910002385"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,492,492,491,491,491,492,492,491,492,491,492,492,491,491,491],"twin_sims":[0.6040122545195209,0.22017551628150803,0.128183600098128,0.12498381468030273,0.12489391440015371,0.11209682969353672,0.11083722089545668,0.10244040142989944,0.09324809489447641,0.09216638702442126,0.08601985553779054,0.07829671143967058,0.07811659350577661,0.07464071745971061,0.07273438487500607,0.07255885745891501,0.07023273339505291,0.06828801039061756,0.06155932532573843,0.061115141351164366,0.06092423108532325,0.05745863368096671,0.057226505558956746,0.055405396046992066,0.05362646111776213],"twin_dists":[0.13041374851756427,0.22594654276204157,0.2632509191457166,0.2648657016040176,0.26491152084757147,0.27170737459348693,0.27240799146740835,0.27724319300623873,0.2829053694689106,0.2836001934023616,0.2876757789294292,0.2931396748706472,0.29327216648999177,0.2958784316951354,0.2973496758115575,0.2974867040003111,0.2993284786210528,0.3009066629901175,0.30666630631318553,0.30706435891351025,0.30723617208867365,0.31043480104348764,0.31065467546887293,0.31240569122133216,0.31416274221753443],"n_dims_used":45,"mean_confidence":0.8979266696506076},"coverage":{"mean_confidence":0.8979266696506076,"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}}