{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001356},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001927","480:4800001414","480:4800001698","480:4800001980","480:4800001585","480:4800001473","480:4800001237","480:4800001923","480:4800001814","480:4800001875","480:4800001310","480:4800001229","480:4800001427","480:4800001413","480:4800001646","480:4800002369","480:4800001312","480:4800001486","480:4800001366","480:4800002270","480:4800002368","480:4800001581","480:4800002418","480:4800002513","480:4800002317"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.7632783117788279,0.7171073925548336,0.7107561735134389,0.7053459148073672,0.7007192507620794,0.6612209391994289,0.656855238749829,0.6129440622650332,0.5939643494256334,0.5804968927769784,0.5623649804170329,0.5529403670362714,0.55245032913389,0.5271185818962204,0.5267978310570528,0.5161290166190926,0.5160486876874549,0.5073895540649475,0.4945533295361996,0.4944604416480747,0.4926421112109099,0.49120872514823294,0.4839823467450614,0.4803967482067395,0.47572787347356715],"twin_dists":[0.09546129170236639,0.10591416436702801,0.10732157533009144,0.10851585627092471,0.10953401603552844,0.11813114432849924,0.11907325074701823,0.12850115442406831,0.1325656546357189,0.1354524071613124,0.13934802708474728,0.14137899731576278,0.14148473853323124,0.14697405665544733,0.14704389524860856,0.14937243162125782,0.14939000677797368,0.1512885843274838,0.15411897253941426,0.1541395290488537,0.15454216063257575,0.15485986176361263,0.1564658105115841,0.15726539771930095,0.15830941220851616],"n_dims_used":43,"mean_confidence":0.913049387377362},"coverage":{"mean_confidence":0.913049387377362,"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}}