{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008204},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002936","490:4900007873","490:4900007750","490:4900005662","466:4660003446","490:4900003486","487:4870007198","487:4870002464","487:4870006166","490:4900007387","466:4660007780","490:4900006171","466:4660003138","496:4960011813","466:4660006505","490:4900003470","466:4660003017","490:4900006905","494:4940007999","466:4660005099","466:4660007632","490:4900005794","493:4930006302","490:4900003350","466:4660000235"],"twin_admin_codes":[490,490,490,490,466,490,487,487,487,490,466,490,466,496,466,490,466,490,494,466,466,490,493,490,466],"twin_sims":[0.38334061044153034,0.33651032782728496,0.32891245077877884,0.28726058105349206,0.27226979143904567,0.2657700065625474,0.26061073653680766,0.258987758041681,0.23070530705901876,0.23027029857547607,0.21891939483208686,0.21817462375492275,0.2019152958805222,0.1993020345994912,0.19883586438982487,0.19766900434441215,0.19132955049563227,0.1833603437552294,0.18004205806541798,0.17939517465101468,0.17765522163217703,0.17645611861356714,0.17501032064429697,0.17217340618369437,0.1674689536598359],"twin_dists":[0.17984980012078164,0.1916805267937529,0.19367971760642372,0.20513308560639826,0.2094937738475526,0.21143023902475225,0.2129884110301242,0.21348256750988223,0.22243174728978518,0.22257482143961807,0.22637325637489225,0.2266270364726663,0.2323197934024665,0.23326367913139215,0.23343295077598247,0.23385785587745384,0.23619723833372938,0.23921611188932612,0.24050039588802452,0.24075270768897883,0.2414345804892639,0.24190726525828282,0.24248024721170078,0.2436144308128689,0.2455251194476354],"n_dims_used":45,"mean_confidence":0.9178646511501736},"coverage":{"mean_confidence":0.9178646511501736,"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}}