{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009741},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009428","490:4900011908","490:4900009530","490:4900012116","490:4900012048","490:4900011970","490:4900010484","490:4900008567","490:4900010227","490:4900010596","490:4900009324","490:4900008448","491:4910005509","491:4910004748","490:4900008449","490:4900009432","490:4900009638","490:4900012051","490:4900011784","490:4900011628","490:4900008559","490:4900012180","490:4900009117","491:4910005405","490:4900011521"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,491,491,490,490,490,490,490,490,490,490,490,491,490],"twin_sims":[0.2761015309823156,0.1491819242471269,0.122619711609874,0.0887398767977362,0.08432504161846482,0.046619364791272,0.04218801736949779,0.03676530977849029,0.027941586744598623,0.02699717857265476,0.026424234560619295,0.02276851545871296,0.021980911429840124,0.02162848441469543,0.020589552099894562,0.019339239613997868,0.017032738506915005,0.016708135010876105,0.01654508710741912,0.014674326326364387,0.013545034350197268,0.01180916363182183,0.011531912043900423,0.011506694675412122,0.011292715581576239],"twin_dists":[0.20836552232185143,0.2533443983593657,0.2660790377641605,0.2858446251795437,0.2888401826173717,0.32159290034706683,0.32678955662699644,0.3338153589915806,0.3474058363797847,0.34907125904291897,0.35010624320380934,0.3572080420713855,0.35886653921264544,0.35962543883444403,0.3619269692455593,0.3648349393315791,0.3706599661622546,0.3715345475163366,0.37197948959295263,0.3773811953586669,0.3809436020272441,0.38696841648139496,0.3880025957502468,0.38809775117076645,0.388912720555525],"n_dims_used":45,"mean_confidence":0.8811686197916667},"coverage":{"mean_confidence":0.8811686197916667,"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}}