{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012074},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011939","490:4900011872","490:4900011477","490:4900012006","490:4900011204","490:4900011605","490:4900012004","490:4900011472","490:4900011415","490:4900010785","490:4900011476","490:4900011938","490:4900011875","490:4900012133","490:4900009891","490:4900012143","490:4900010784","490:4900012003","490:4900011125","490:4900012007","490:4900012068","490:4900012208","490:4900012200","490:4900008610","490:4900011937"],"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":[0.7492469326221375,0.7261864849314256,0.6334305785356091,0.5348098766118157,0.5271475708167818,0.4934210269341563,0.4667609973719368,0.4475231562684971,0.444088336079555,0.40192784886205557,0.39902190465680354,0.3975660425600243,0.39472818227053313,0.3649628104345613,0.3616975336067534,0.36006107540286475,0.3495078892677094,0.34152025100956807,0.3264779096996577,0.3223492152877265,0.3079023108135891,0.3019723607661915,0.2894817229838231,0.2885659418677007,0.2884065921663577],"twin_dists":[0.09868524121072504,0.10389121760714105,0.12411066802363543,0.14530209586111328,0.14696774522047348,0.15436963285351787,0.16032403786355823,0.1646926279825907,0.16547985014457547,0.17535294168311888,0.17604954695322345,0.17639941029935294,0.1770830797212318,0.18439980356222518,0.18522004907524794,0.185632545369214,0.1883161385846512,0.190375648069124,0.1943256528807086,0.1954272124068731,0.19934551095670613,0.2009842655199677,0.20449876237298895,0.20475994131328024,0.20480543808378446],"n_dims_used":45,"mean_confidence":0.9101729498969184},"coverage":{"mean_confidence":0.9101729498969184,"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}}