{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011564},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011225","490:4900010993","490:4900011366","490:4900011498","490:4900011626","490:4900009015","490:4900010994","490:4900011431","490:4900011757","490:4900011691","490:4900011224","490:4900011294","490:4900011693","490:4900011441","490:4900011497","490:4900012093","490:4900008225","490:4900011150","490:4900011891","490:4900009635","490:4900010830","490:4900008884","490:4900011561","490:4900010829","490:4900011367"],"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":[0.3828336410638837,0.35481219649975465,0.349827299124836,0.34885938842727054,0.3014738763961961,0.25941945830371843,0.2588065564816154,0.25039528626568,0.24178000740496222,0.23714991578627348,0.23387493978693663,0.2329161376629659,0.2167557844572599,0.20534782354443212,0.19932021460540447,0.1799345294767391,0.1697007380014068,0.1678030368201136,0.16426964759863444,0.15603769097836917,0.15077340435850425,0.1483657376145753,0.14407871854302856,0.1433650628754571,0.1324286605436313],"twin_dists":[0.17997387166592232,0.18696213107130374,0.18823430200174646,0.1884824129293582,0.20112287054125935,0.21335093578967498,0.21353785968891575,0.21613194332916705,0.2188473382732187,0.22033257731135086,0.22139457819936967,0.22170733812950327,0.227112119859525,0.23109266721924454,0.23325708330536618,0.24054229200456873,0.24461395157047994,0.24538816997923774,0.24684668209538135,0.2503350664889188,0.2526369057246557,0.25370939399654985,0.25565128746200944,0.2559786947863896,0.26115503380667887],"n_dims_used":45,"mean_confidence":0.8865806579589843},"coverage":{"mean_confidence":0.8865806579589843,"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}}