{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000699},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000489","490:4900000824","490:4900000228","490:4900000589","490:4900000835","494:4940008238","490:4900001058","490:4900000695","490:4900000494","490:4900001457","490:4900000348","496:4960008767","496:4960008487","490:4900000580","490:4900000622","490:4900000775","490:4900000718","496:4960008861","496:4960008477","496:4960008153","490:4900001191","490:4900000423","490:4900000578","494:4940008024","490:4900000590"],"twin_admin_codes":[490,490,490,490,490,494,490,490,490,490,490,496,496,490,490,490,490,496,496,496,490,490,490,494,490],"twin_sims":[0.8294163280104334,0.6926955087219925,0.6892435703864307,0.5398022691729941,0.529781102173788,0.4952710542807869,0.4868900426450805,0.4779978581072693,0.4608405239685759,0.4499672477322062,0.44760495293969843,0.43960254123684334,0.4344024045919676,0.43436801107269785,0.4254775228510291,0.42311129156286986,0.4206880884134947,0.41172262598927695,0.41070147674404706,0.40855615213327967,0.4083729981625299,0.4074126791796536,0.4042714056659628,0.40122280010674655,0.4000631157387354],"twin_dists":[0.07943246059767865,0.11129338157335972,0.11204797595287413,0.14421944879463822,0.14639468944345682,0.15396017446651644,0.155818749393896,0.1578014065365391,0.1616614714833194,0.16413386246096942,0.16467390915493585,0.16651147953832146,0.16771257071344653,0.16772053365183645,0.16978755114156563,0.17034067961970414,0.1709084698593406,0.17302142164871753,0.17326333950068595,0.17377244400442196,0.17381596254811257,0.1740442817954387,0.1747928061256809,0.1755217438022382,0.17579968673658614],"n_dims_used":45,"mean_confidence":0.9167346530490451},"coverage":{"mean_confidence":0.9167346530490451,"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}}