{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002490},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003621","490:4900003622","490:4900002189","490:4900004585","490:4900001866","490:4900001846","490:4900003217","490:4900004724","490:4900003890","490:4900003614","490:4900002781","496:4960011459","490:4900004036","490:4900002760","490:4900001694","490:4900001024","490:4900003207","490:4900005142","490:4900000924","490:4900001695","490:4900003223","490:4900001697","490:4900002029","490:4900001424","490:4900004442"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8704466191832891,0.8034780120254859,0.798407607002841,0.7585089448551772,0.6258220722746072,0.6117873742046873,0.5860530176978627,0.550165434648317,0.5481951911440797,0.5314860166478909,0.5308960558315906,0.5286876099433682,0.5270231276434617,0.5265378589514428,0.5234176917267745,0.5193312284330512,0.5179646791759412,0.5120336939266774,0.511516273563299,0.5010853919489942,0.4909312932653917,0.48729321772827683,0.48665610621440897,0.483841725082312,0.4828652620132234],"twin_dists":[0.06841534639212143,0.08591478762902104,0.08714878608415036,0.09656247827227203,0.12574227303735788,0.1287488554468483,0.13426095342305608,0.14197797402417173,0.14240355451752185,0.146024025123838,0.1461522597175427,0.14663255825830612,0.14699483938508903,0.14710050706070965,0.14778044488130546,0.1486723572787843,0.14897098793171706,0.15026931080755773,0.150382753884566,0.1526761463517646,0.15492138448455767,0.15572912299645703,0.1558707641799984,0.156497134032759,0.1567147198612415],"n_dims_used":45,"mean_confidence":0.9167127821180555},"coverage":{"mean_confidence":0.9167127821180555,"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}}