{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000001938},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["475:4750003873","473:4730005715","473:4730005636","500:5000001060","500:5000006066","475:4750003275","500:5000006513","485:4850009084","484:4840001788","500:5000001475","475:4750003190","485:4850001450","500:5000002311","498:4980000508","500:5000001987","478:4780000548","475:4750003973","473:4730000507","478:4780004458","478:4780002285","478:4780002179","500:5000005440","485:4850002505","500:5000002053","475:4750002825"],"twin_admin_codes":[475,473,473,500,500,475,500,485,484,500,475,485,500,498,500,478,475,473,478,478,478,500,485,500,475],"twin_sims":[0.26236221098271856,0.20953892454258732,0.19879902360487547,0.1972187405859228,0.1873437333441631,0.1789642028873796,0.1601896175114319,0.15358988207967525,0.153093092784008,0.14357821999554995,0.13895890548660955,0.13361904446554815,0.12897239312119627,0.116815354312319,0.11597856422132823,0.11539341627926815,0.11451361227759019,0.11367872239147882,0.11240131336894436,0.11016895287028579,0.10950036081147445,0.10935093324236081,0.1090471260455293,0.1088700606862327,0.10860006052870261],"twin_dists":[0.2124572945906862,0.22961322757828503,0.233446339755206,0.2340222804041391,0.23769587388987137,0.2409211630545679,0.24855934729817616,0.2513981851169701,0.25161546066742924,0.25588077717731766,0.2580274350647869,0.2605764169259019,0.26285755011759476,0.2691355855660988,0.26958576977840903,0.26990205716861093,0.27037994171878565,0.27083604915186454,0.27153892792304013,0.2727821944577992,0.27315833964136077,0.2732426494079132,0.2734143383570716,0.2735145732703605,0.2736676609848497],"n_dims_used":45,"mean_confidence":0.9187333001030816},"coverage":{"mean_confidence":0.9187333001030816,"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}}