{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003621},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003622","490:4900002490","490:4900004585","490:4900003217","490:4900002189","490:4900001866","490:4900003868","490:4900003614","490:4900003215","490:4900002760","490:4900001697","490:4900001846","490:4900001693","490:4900001024","490:4900003223","490:4900001694","490:4900002453","490:4900003207","490:4900005142","490:4900001695","487:4870005569","490:4900004724","490:4900004442","490:4900003589","490:4900002781"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490],"twin_sims":[0.9501600834695036,0.8704466191832891,0.818914797269561,0.7041318493089588,0.6253413979808943,0.5808532898750719,0.5759829875212591,0.55817572077267,0.5485896983733918,0.5436814145641726,0.5432727688109996,0.5177867660490574,0.4994567900520814,0.49340438116087226,0.4878448255988651,0.48778683569922876,0.4872704830201844,0.48517225015878995,0.4845214050910243,0.477769170160787,0.47716701023916214,0.4738272415621984,0.469221178167351,0.467220737204466,0.4654148639470966],"twin_dists":[0.04152930408234268,0.06841534639212143,0.08209366921318154,0.10878330075057739,0.12584530105847477,0.1353759559239199,0.13642103614282705,0.1402501899599805,0.14231831904423087,0.1433795327506897,0.14346796127863648,0.1490098809591844,0.15303537899068992,0.15437331901438175,0.15560653633487861,0.15561942174787888,0.15573417635315873,0.15620087208887531,0.1563457612799058,0.15785254971149015,0.1579872530562895,0.15873536894800913,0.15977001137529695,0.16022042988915258,0.1606276077121913],"n_dims_used":45,"mean_confidence":0.9173609415690104},"coverage":{"mean_confidence":0.9173609415690104,"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}}