{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000596},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001124","489:4890000554","489:4890000948","489:4890001187","485:4850003248","489:4890000889","489:4890000480","489:4890000396","489:4890000525","481:4810005936","470:4700001354","470:4700008640","499:4990001369","489:4890000227","489:4890000269","472:4720001588","479:4790002553","489:4890001192","489:4890000826","489:4890000708","478:4780002908","489:4890001306","466:4660006689","496:4960001952","489:4890000777"],"twin_admin_codes":[489,489,489,489,485,489,489,489,489,481,470,470,499,489,489,472,479,489,489,489,478,489,466,496,489],"twin_sims":[0.6250882219456703,0.5859707356266606,0.539845726413815,0.5360076805714491,0.4694636338886044,0.46017734413192296,0.4428592548641767,0.42456030891494384,0.42453035129136074,0.40189711382759613,0.3813477452104398,0.37848592441516554,0.3759105782360073,0.37011862543087287,0.3610782868979129,0.35625256362115487,0.3556927944190798,0.3444227407808736,0.3436951934495604,0.33966470578096697,0.33883385404797584,0.33644117935659384,0.3299259235714642,0.32190957644457174,0.3218354316588624],"twin_dists":[0.12589956488416715,0.13427859219057417,0.14421003319464876,0.1450421607860129,0.15971546458263305,0.16181165864341895,0.16576210748279235,0.17000180589719469,0.17000880703307159,0.17536029744630047,0.18033797244499702,0.18104115901637338,0.1816761638371008,0.18311213163333204,0.18537602840982026,0.1865962720140563,0.18673836473363953,0.1896243550560582,0.18981235896103096,0.19085773386115001,0.19107405387140572,0.191698610107575,0.19341159847431302,0.19554497235142557,0.1955648413378089],"n_dims_used":45,"mean_confidence":0.9144840664333768},"coverage":{"mean_confidence":0.9144840664333768,"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}}