{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002547},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002546","490:4900002247","490:4900001368","490:4900001242","490:4900001243","490:4900003790","490:4900001501","490:4900002398","490:4900004212","490:4900004363","490:4900001122","490:4900002839","490:4900002681","490:4900001244","490:4900003799","490:4900003800","490:4900002693","490:4900004079","490:4900002248","490:4900002692","490:4900003932","490:4900001931","490:4900002246","490:4900001779","490:4900001782"],"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":[0.46314471555039927,0.43329249132552633,0.417739473033802,0.4003084478625882,0.3769484640817784,0.3741054460470937,0.3672094229380873,0.36391339636239817,0.3147400193992535,0.31280837322118366,0.3093075167847963,0.3019054418536937,0.285690752940313,0.2816881060621382,0.2810096520948624,0.2797514167236084,0.2681188861167154,0.2622142040401891,0.2607331045143275,0.25704401638198765,0.24859955647817691,0.24381132576818842,0.2409356190517741,0.23999530531787264,0.23299591107014916],"twin_dists":[0.16114024520839623,0.16796967040408597,0.1716012400088546,0.1757408572517783,0.18141999740489773,0.18212252444625032,0.18383759679682174,0.18466301260298426,0.19747827417955593,0.19800339960842722,0.19895985554483966,0.20100286476622636,0.20558317754836483,0.2067375709258406,0.20693422239099188,0.20729968823834102,0.2107270922128947,0.2125020900090603,0.21295123156271806,0.21407696264374756,0.21669291675785143,0.21820155430333268,0.21911681448765677,0.21941762610596494,0.22168128395345954],"n_dims_used":44,"mean_confidence":0.9157697504216974},"coverage":{"mean_confidence":0.9157697504216974,"n_dims_used":44,"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}}