{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001181},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002609","490:4900003601","487:4870001463","487:4870001367","487:4870001279","490:4900002620","490:4900012258","487:4870001287","487:4870001558","490:4900003562","487:4870001072","487:4870001278","490:4900001425","487:4870001280","490:4900013101","490:4900002610","487:4870001194","487:4870001185","494:4940007881","487:4870000270","466:4660008572","487:4870000754","487:4870002187","490:4900005889","490:4900012832"],"twin_admin_codes":[490,490,487,487,487,490,490,487,487,490,487,487,490,487,490,490,487,487,494,487,466,487,487,490,490],"twin_sims":[0.047449053172169575,0.031700838504827564,0.028314430242647418,0.025853095738618,0.025370245742246906,0.02458057877822219,0.024040802879931766,0.02157629865978708,0.021372540459724514,0.019031184792513405,0.016510482394074256,0.015358343180823596,0.01532412885656997,0.015324067936573938,0.015191910241339021,0.014676186742179551,0.014290642238136381,0.013420433645658217,0.013225141552096455,0.012671277134478963,0.01254102393343985,0.011965367039459432,0.011151306048989201,0.010986544120119656,0.010969387882748436],"twin_dists":[0.32066632709035786,0.34122218182820013,0.34676165619121097,0.3511574106770115,0.3520618389366549,0.35357353621290905,0.35463121278448356,0.35973872561546055,0.3601833457435819,0.36557655828676405,0.372074417532155,0.3753393545079978,0.3754395650505527,0.37543974365508903,0.37582868169639355,0.3773755291179777,0.37856353913168195,0.38135257966872205,0.3820003926115365,0.3838847965492212,0.3843385291436229,0.38639521310409963,0.3894588611605056,0.3901030104568657,0.3901705768965842],"n_dims_used":43,"mean_confidence":0.9121745797090752},"coverage":{"mean_confidence":0.9121745797090752,"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}}