{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005126},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["478:4780006219","479:4790003955","490:4900003302","480:4800004791","481:4810003156","480:4800003802","496:4960007682","467:4670002133","480:4800003950","490:4900005663","487:4870005410","468:4680005878","478:4780006293","499:4990001495","490:4900003028","480:4800003800","466:4660005575","488:4880000048","478:4780005741","498:4980002330","489:4890004054","469:4690003118","490:4900002624","480:4800005050","469:4690003219"],"twin_admin_codes":[478,479,490,480,481,480,496,467,480,490,487,468,478,499,490,480,466,488,478,498,489,469,490,480,469],"twin_sims":[0.021887232356198993,0.017376001109786092,0.01712674883601101,0.014964056646224086,0.011265537897476112,0.010547995450438405,0.00758169567657187,0.007504840962394452,0.006791828365000031,0.006715931233975043,0.00519458465756928,0.004544699357453773,0.004252125336390866,0.004236946353654935,0.003935360894393528,0.003766159931308754,0.003239543129542737,0.0030264518602145327,0.002774962310514482,0.0026897353083166525,0.002230283184918022,0.0020010729045283997,0.001949380084813503,0.0018912158098995185,0.0016915298424025349],"twin_dists":[0.3590672253130944,0.3697508758111554,0.3704094047749965,0.37650630341657365,0.38901721047302307,0.39186038171007703,0.4058247688233109,0.4062480192869758,0.41037194166458535,0.41083358059863423,0.4212475985733089,0.4265657774132102,0.42918895930504175,0.42932948022511824,0.4322207595704562,0.43393238693602854,0.4397483003896862,0.442350457968291,0.44564621116481046,0.4468253354838125,0.4538412517028898,0.45785396244958515,0.4588171309276527,0.4599293821489048,0.464003645250578],"n_dims_used":45,"mean_confidence":0.8961382548014323},"coverage":{"mean_confidence":0.8961382548014323,"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}}