{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010612},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010618","490:4900010526","490:4900012205","490:4900009787","490:4900008719","490:4900010528","490:4900010527","490:4900009476","490:4900010697","490:4900009889","490:4900010350","490:4900009684","490:4900011930","490:4900010354","490:4900010184","490:4900011474","490:4900010076","490:4900011200","490:4900010619","490:4900011919","490:4900010966","490:4900010790","490:4900009687","490:4900010871","490:4900011126"],"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":[0.3199678119139392,0.20061491049972488,0.15642801381527283,0.15418074094842713,0.14786223337255983,0.139003290510385,0.12683852089870795,0.12548025558260148,0.12049451796776209,0.11537537394338218,0.10198696728746957,0.09865521909384377,0.08678441286013075,0.08011494606655731,0.0794220723642803,0.07884407084352066,0.07547876858742562,0.0716208341041518,0.07109076664236529,0.06806828912836939,0.0668557112140821,0.0645090342391367,0.06386346357026636,0.05878563589638045,0.05677534013005331],"twin_dists":[0.19606616521491466,0.23278842199868408,0.25016667353246513,0.25114043707939354,0.25393529872517606,0.25800655748753687,0.263925952706655,0.2646131315998024,0.2671850617057683,0.2699118290755534,0.27751295542760585,0.27952442369820446,0.28715647097089325,0.291815739523594,0.2923173784057296,0.29273854430105367,0.2952412398207202,0.298223569597403,0.2986434290952918,0.3010872609459232,0.30209255478475416,0.30408108102651343,0.30463847964207824,0.30919172802130357,0.31108413861542883],"n_dims_used":45,"mean_confidence":0.919822014702691},"coverage":{"mean_confidence":0.919822014702691,"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}}