{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004355},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003648","490:4900003651","490:4900003657","490:4900003127","490:4900002986","490:4900003794","490:4900003654","490:4900004354","490:4900003255","490:4900003254","490:4900004493","490:4900002990","490:4900003518","490:4900003252","490:4900002995","490:4900004356","490:4900002996","490:4900003527","490:4900003259","490:4900001246","490:4900003125","490:4900004357","490:4900003515","490:4900003952","490:4900003521"],"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":[0.5514250618850705,0.45966042087174563,0.44112508490183117,0.4291282535427397,0.428001424282608,0.4249503727909818,0.40320261151597475,0.3362439186730621,0.29127495188125385,0.27239095604542807,0.23385195530139663,0.22944170572590483,0.22328486671884326,0.19736159479470472,0.19344069500044694,0.1908766951548819,0.19010781539124605,0.1796737466120344,0.1665806021182767,0.165968668702907,0.16571850071995592,0.15975733852393392,0.15022556041395344,0.14942910676920879,0.13726127035942487],"twin_dists":[0.1417060203681283,0.1619287771756215,0.16616087337710148,0.1689366520332199,0.16919897033433623,0.16991066621664883,0.17504807795280058,0.19175020765034698,0.20398876048136405,0.20945794825281042,0.22140206585405306,0.22284783937786082,0.2248972333558539,0.23397008568846253,0.23541228116572743,0.23636640286004112,0.23665426150123378,0.24064397396484127,0.24589023803663035,0.24614256420108974,0.24624591240661148,0.24874265211840674,0.2528798264067877,0.2532341498058949,0.2588297254177256],"n_dims_used":45,"mean_confidence":0.9182969835069444},"coverage":{"mean_confidence":0.9182969835069444,"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}}