{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700002600},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700002774","469:4690006188","470:4700003640","484:4840007495","478:4780004470","470:4700003110","470:4700002275","484:4840001986","484:4840007930","470:4700002605","470:4700002433","475:4750011608","473:4730002080","484:4840001711","473:4730001845","478:4780000326","478:4780000356","500:5000005439","494:4940000419","478:4780001764","470:4700003468","470:4700002775","484:4840002341","484:4840001196","484:4840001808"],"twin_admin_codes":[470,469,470,484,478,470,470,484,484,470,470,475,473,484,473,478,478,500,494,478,470,470,484,484,484],"twin_sims":[0.2462389349685941,0.2238195536826787,0.21483837017456775,0.2120442955779691,0.19843210851462617,0.1906666392081867,0.18777503904647525,0.1819697685210365,0.17893410666499698,0.1684468436270869,0.16493664918840328,0.16325017588255972,0.16320722194393741,0.1624180262399548,0.15851020986453823,0.15521292546997456,0.1539855083664708,0.15019454175396432,0.14932340397043814,0.1464960960122517,0.1444072932524922,0.14357520754419073,0.14149689168862548,0.14032815753018726,0.13615761972513354],"twin_dists":[0.21743432400339244,0.2247177774644076,0.2277710677304782,0.22873843978114666,0.2335797806457272,0.23644496457011135,0.23753263569264427,0.23975229352404945,0.24093293760855997,0.24512480917703844,0.24656963506075966,0.24727170825242836,0.24728965823271964,0.24762006519364757,0.24927351866993464,0.25069190183572976,0.2512255224242023,0.25289359995141275,0.25328127899263886,0.25455111262764485,0.2555009500818075,0.2558821602496446,0.25684153619618133,0.25738565192984475,0.25935529266312374],"n_dims_used":43,"mean_confidence":0.9118062396382176},"coverage":{"mean_confidence":0.9118062396382176,"n_dims_used":43,"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}}