{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010228},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010219","490:4900010039","490:4900009434","490:4900010735","490:4900008112","490:4900008898","490:4900011071","491:4910005467","490:4900009420","490:4900007778","490:4900007999","490:4900009423","490:4900008659","490:4900010229","490:4900009425","490:4900010822","490:4900008438","490:4900009536","490:4900010225","490:4900010986","490:4900010932","490:4900010316","490:4900008215","490:4900010397","490:4900010483"],"twin_admin_codes":[490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.34764760256122285,0.23163699967375292,0.20709715941287066,0.20423253526881682,0.19832848886864574,0.1790295308812387,0.15823229619888296,0.15690774313743194,0.1407911424465138,0.13243401301412325,0.11273034878612619,0.11112115154570448,0.10713075825325999,0.1056043858314064,0.09971833665915535,0.08994312061805701,0.08828361592300368,0.07553875462728298,0.07293869946496025,0.07241723712084967,0.06937046909540223,0.061163833610049186,0.05849020668198554,0.054199508466326096,0.052800189813650665],"twin_dists":[0.18879354830337194,0.22212591087571007,0.2304726778115956,0.23148982911599755,0.23361749624036673,0.2408956095970395,0.24939223263410412,0.24996012876379492,0.25716970245409676,0.26115242335907657,0.2713572938827952,0.2722495294572111,0.27450595281049023,0.2753863097590006,0.27887688917668313,0.2850487780865808,0.2861486437066687,0.29519585016132743,0.2971905110885555,0.29759745780656305,0.3000237847873428,0.3070206079749901,0.30946645589041927,0.313591540870051,0.3149953278505396],"n_dims_used":45,"mean_confidence":0.887811279296875},"coverage":{"mean_confidence":0.887811279296875,"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}}