{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002979},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003931","490:4900003808","490:4900002834","490:4900002827","490:4900003943","490:4900003936","490:4900003946","490:4900003942","490:4900004213","490:4900004072","490:4900003380","490:4900004363","490:4900003940","490:4900004078","490:4900001105","490:4900003790","490:4900001779","490:4900003385","490:4900003248","490:4900004214","490:4900003938","490:4900002396","490:4900001363","490:4900004501","490:4900003249"],"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":[0.09141516625392335,0.08850398518236888,0.045192741122869466,0.044033592067200436,0.04047095341876146,0.04020707337689182,0.0386083647633203,0.03628060043051195,0.03562955530917643,0.03544245776774358,0.03517327947549798,0.034405209500113075,0.02907303487653493,0.027285704055723236,0.025454916785565277,0.02479404362909456,0.023168206693479212,0.02313542050830136,0.02223712649294798,0.02143578186578887,0.021132587020548085,0.020964962100007593,0.0190765996404526,0.0188327352663076,0.0185556676974123],"twin_dists":[0.2840865333176786,0.28600165059206906,0.323218895110417,0.3245720374786563,0.3289272741090543,0.3292625554166663,0.3313345499816684,0.33448528627927354,0.33539717491253285,0.33566185265853227,0.33604473797663226,0.33715113163520116,0.34547317529653737,0.34855720490894593,0.35190217245219435,0.35316079599688177,0.35638535922918985,0.3564523774583446,0.35832142847083454,0.3600449536985833,0.3607117008530727,0.3610839018392823,0.36546656933705135,0.3660598850257796,0.36674218872088515],"n_dims_used":45,"mean_confidence":0.915851338704427},"coverage":{"mean_confidence":0.915851338704427,"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}}