{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004756},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004757","490:4900005819","490:4900006068","490:4900006436","490:4900004201","490:4900003508","490:4900005941","490:4900004755","490:4900005820","490:4900004897","490:4900007649","490:4900004204","490:4900004754","490:4900006434","490:4900006067","490:4900004749","490:4900004061","490:4900006793","490:4900002239","490:4900007540","490:4900006554","490:4900006317","490:4900006072","490:4900002087","490:4900006794"],"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":[0.48287291381548403,0.1833043658448492,0.166622291082476,0.15061611322045446,0.11159981507191734,0.0518998978526504,0.039536740060940066,0.039407595725600736,0.03816709504719684,0.03806874861590392,0.03266791697914866,0.018190980949058116,0.017768113308259958,0.012226483136511099,0.010174645979986038,0.009751588763236552,0.009400139835702384,0.009331655248374577,0.0068913938976550605,0.0068100541054854835,0.006718328617572812,0.006606434285046323,0.00635622480146583,0.005476373809713031,0.0039620803491568855],"twin_dists":[0.15671301427140494,0.23923764046471,0.24587307224235522,0.2527065839625664,0.2719830933901876,0.31591490282696505,0.3301227020319467,0.3302898292376505,0.3319192248581926,0.3320503117194692,0.3397334785893475,0.36765397654364257,0.3687314788563668,0.38545167824091214,0.39340850917183545,0.3952251601704889,0.3967885884506698,0.3970993046418968,0.40977332996146554,0.4102617763825906,0.4108189270338574,0.41150793146830544,0.41308747059061884,0.4191270091892941,0.4319566113805107],"n_dims_used":45,"mean_confidence":0.9025527106391059},"coverage":{"mean_confidence":0.9025527106391059,"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}}