{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001782},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002983","490:4900001242","490:4900002839","490:4900001244","490:4900002546","490:4900002547","490:4900002532","490:4900001495","490:4900001931","490:4900001636","490:4900002248","490:4900001239","490:4900001781","490:4900002082","490:4900003800","490:4900002533","490:4900001117","490:4900001630","490:4900003939","490:4900001121","490:4900002247","490:4900001634","490:4900002692","490:4900002693","490:4900002224"],"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":[0.6281282211754701,0.3282420604594017,0.30078509955714955,0.2475810996267381,0.24755567464972264,0.23299591107014916,0.20803507373186464,0.19788281949662861,0.18127449705372026,0.18078981149277237,0.17411678290044078,0.16850090792987862,0.16833735426390445,0.1676617102437356,0.15140417980811857,0.14644750718899852,0.13607852472069223,0.13388026335757508,0.13331012906212106,0.13029672710819226,0.12656040250328718,0.12573653215025968,0.12042726126789792,0.11768552201943822,0.11685516982278125],"twin_dists":[0.12524789577751452,0.19385732247108547,0.20131460700284073,0.21701222970116327,0.21702021186942017,0.22168128395345954,0.2301417390738255,0.23377986689100932,0.24002146396422225,0.24020953941676557,0.24283605306678027,0.24510272617919243,0.2451695466067449,0.24544607947721744,0.2523580151473397,0.25457309306371817,0.25939308069014694,0.26044996366619605,0.26072619957073206,0.26220117771995716,0.26406620350334176,0.26448304473349504,0.2672203066132217,0.2686700607775427,0.2691142269969127],"n_dims_used":45,"mean_confidence":0.9153696695963541},"coverage":{"mean_confidence":0.9153696695963541,"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}}