{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005624},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004694","490:4900007622","490:4900004822","490:4900005246","490:4900004695","490:4900005109","490:4900005639","490:4900005243","490:4900005245","490:4900002594","490:4900001540","490:4900005379","490:4900005502","490:4900004962","490:4900004830","490:4900007501","490:4900005510","490:4900004138","490:4900005237","490:4900005636","490:4900001823","490:4900001674","490:4900001671","490:4900003185","490:4900002288"],"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":[0.7097832164691246,0.6931814896427547,0.6756581844513927,0.6366701983781741,0.6004933288496939,0.5637696623185295,0.5585545265231363,0.5420022258645475,0.5323129751824814,0.5243376701092102,0.5208840940101904,0.48895023924493114,0.46309140045236846,0.46263434445720647,0.4583521008352446,0.4482067287889765,0.44185704296605516,0.44020592979518935,0.43911983433297863,0.43230228616454536,0.432195985303606,0.41909497423275344,0.4109648142443795,0.4095300200109285,0.40123024367797],"twin_dists":[0.1075366534078606,0.11118703819846948,0.11500574319171286,0.12341541397509996,0.13116728441204217,0.13904572851863845,0.1401685751617031,0.14374297632805097,0.14584432642806242,0.14757987146066115,0.14833323681842508,0.15536100089849006,0.16115229517744453,0.16125561629539314,0.16222541172125543,0.1645362349513074,0.16599248837084526,0.16637247665176969,0.16662273473695072,0.16819926457242895,0.1682239246486677,0.17128251105625378,0.17320092773248225,0.17354119118075434,0.1755199609691399],"n_dims_used":45,"mean_confidence":0.9254063924153646},"coverage":{"mean_confidence":0.9254063924153646,"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}}