{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007175},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006684","490:4900007300","490:4900007299","490:4900006445","490:4900007301","490:4900007297","490:4900006809","490:4900007655","490:4900006682","490:4900006325","490:4900006683","490:4900007541","490:4900006444","490:4900006202","490:4900006932","490:4900006563","490:4900005700","491:4910002615","490:4900006685","490:4900006933","490:4900006681","490:4900007536","491:4910000990","490:4900006811","491:4910001119"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,491,490,491],"twin_sims":[0.274725107001643,0.2177159466378394,0.18685453988270742,0.15287438550688554,0.14856135860384115,0.11934728308656194,0.112474917835822,0.1102970361050713,0.08513214406986579,0.08363703138467528,0.07545246781171545,0.0657482496177801,0.06532177740919881,0.06424578384245432,0.06094371788379007,0.054525155354330355,0.05382284679516841,0.052796936404110574,0.046473171623651395,0.042422406036326125,0.03455948026189633,0.034546575733317576,0.030342758325071054,0.029227838547560524,0.028412516394712973],"twin_dists":[0.20876969692820713,0.2267836198734188,0.23788134050964638,0.25171127836290236,0.25362177832011057,0.26778832414399917,0.2714982612406656,0.2727103373704271,0.28828336771779034,0.28931820359441424,0.2952611500130993,0.30302377219866045,0.3033857904958537,0.304307823326981,0.3072186143432665,0.31326916925819953,0.31396642183230566,0.3149986274250341,0.3217575923895306,0.32650345948491033,0.3369272312410275,0.33694592753665126,0.3433797641468088,0.3452137969997998,0.3465934001297269],"n_dims_used":45,"mean_confidence":0.8922600640190972},"coverage":{"mean_confidence":0.8922600640190972,"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}}