{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009146},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008927","490:4900009459","490:4900009034","490:4900009458","490:4900009655","490:4900009349","490:4900009657","490:4900009353","490:4900009456","490:4900008681","490:4900008811","490:4900008921","490:4900008928","490:4900009457","490:4900009658","490:4900008812","490:4900009656","490:4900008590","490:4900009659","490:4900009144","490:4900009555","490:4900009547","490:4900009140","490:4900009245","490:4900009246"],"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":[0.23368323056311283,0.10875144029750859,0.02064587073126451,0.007829340594281945,0.007748972577204506,0.0028653175790754686,0.0015723251855878206,0.0010047629551750638,0.00039666427520475343,0.0002777374912394206,0.00016546167612323137,0.0001579486961981354,0.00003867301500948232,0.00003202778646266591,0.000024672358287709126,0.000024070015578023854,0.000018998119914566886,0.000017668805001127285,0.000016360049692868912,0.00001584465382903553,0.000012804903740294058,0.000009386233106179058,0.000008753030928228366,0.000004965961250177928,0.000004257429500490085],"twin_dists":[0.22145704608757247,0.2735817937237305,0.36179964384511665,0.4044866623217921,0.40491670281744435,0.4444317892461667,0.46665259649432533,0.4825673057871195,0.5140280703345914,0.5255933746185949,0.5419602118330259,0.5434045483523425,0.5854550728016066,0.5908620267912188,0.5982641731030786,0.5989606249115824,0.6055876338285132,0.6076047076344895,0.6097373618614434,0.6106222300237263,0.6164780172480165,0.624918097851709,0.6268004472163126,0.6418718207186789,0.6459044883866788],"n_dims_used":45,"mean_confidence":0.8838344997829861},"coverage":{"mean_confidence":0.8838344997829861,"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}}