{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870003967},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940008488","494:4940004827","494:4940004062","490:4900005797","490:4900003301","496:4960008143","494:4940003558","466:4660001335","487:4870003434","494:4940007910","496:4960001901","487:4870002337","490:4900001444","487:4870002845","487:4870005411","494:4940000718","496:4960005301","487:4870004417","490:4900000702","490:4900009292","470:4700005259","467:4670003947","487:4870002334","469:4690003010","496:4960007927"],"twin_admin_codes":[494,494,494,490,490,496,494,466,487,494,496,487,490,487,487,494,496,487,490,490,470,467,487,469,496],"twin_sims":[0.021891670383663908,0.002542731604204381,0.0016091552716771824,0.0016083856718534727,0.0014324165100014891,0.001145208631472754,0.0003868237012867949,0.00034006073124106937,0.0003082811500290884,0.0002670061934529341,0.00026357954903903115,0.00021572961719270366,0.00021065874109136063,0.0001716345519385821,0.00012508940254659276,0.00011554646977354017,0.00011450348433888556,0.0001116736969884562,0.00008853946049822466,0.00008432687663169138,0.00008304780478502296,0.00007915760167144426,0.00007214754806224505,0.0000660434475302473,0.00006235043018162117],"twin_dists":[0.35905770101900963,0.4489419830897159,0.46581493830429754,0.46583226026651425,0.47000901895858593,0.4779722904848606,0.5148517416998025,0.5190557440605739,0.5222342881906632,0.5268564303780902,0.5272697962015024,0.5336398617213437,0.5343911765254583,0.5408190428614565,0.5505968150308972,0.553022518470349,0.5532990122639609,0.5540613481882928,0.5610837060490944,0.5625472578754069,0.563005352836693,0.5644408491971106,0.5672050893699165,0.5698278536513108,0.5715286143891505],"n_dims_used":43,"mean_confidence":0.9117456480514171},"coverage":{"mean_confidence":0.9117456480514171,"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}}