{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003646},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006436","490:4900004204","490:4900004757","490:4900004897","490:4900006068","490:4900003509","490:4900005819","490:4900004061","490:4900003511","490:4900003508","490:4900003787","490:4900006793","490:4900004754","490:4900007649","490:4900004756","490:4900004753","490:4900004201","490:4900004893","490:4900004060","491:4910002111","490:4900004612","490:4900002386","490:4900004202","490:4900005820","490:4900006067"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490],"twin_sims":[0.035104411201130815,0.02239080718855421,0.020246336239654487,0.014950605036170713,0.010063022231172652,0.009720731906515798,0.008938716336427928,0.008164177544136484,0.006356112496792737,0.0060821326953063035,0.005786469883931847,0.005745553536999165,0.003818535637715639,0.0036716183483288633,0.0025681231060207237,0.002343519088361477,0.0023424634546280305,0.0019652336614592774,0.0018920956685141732,0.0017757845967082805,0.0017486092294336805,0.0012373262743399427,0.0011934332106736886,0.0011677190783306352,0.0010563360694484775],"twin_dists":[0.3361430980609308,0.357997077077516,0.3627095389670212,0.376546591110056,0.3938811961600367,0.3953603964275563,0.3989224754766163,0.40273654615259136,0.4130881920430589,0.4148834295746826,0.41690450277978164,0.417191504698545,0.4333952028171876,0.43491949561461635,0.44856850375329643,0.45199686232781705,0.4520136753889304,0.45851926572377655,0.4599123238630774,0.4622332415794932,0.46279565021923763,0.4752342443357831,0.476514469915723,0.4772848689198658,0.48081453797624885],"n_dims_used":45,"mean_confidence":0.9014574686686198},"coverage":{"mean_confidence":0.9014574686686198,"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}}