{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001516},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001571","480:4800001715","480:4800001341","480:4800001884","480:4800002393","480:4800001494","480:4800002345","480:4800001944","480:4800002051","480:4800001771","480:4800002006","480:4800001278","480:4800002494","480:4800002106","480:4800002109","480:4800001543","480:4800001885","480:4800001708","480:4800002062","480:4800002053","480:4800002007","480:4800002252","470:4700003688","480:4800001461","480:4800001548"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,470,480,480],"twin_sims":[0.34583754414048046,0.34243822661800494,0.2541217364832132,0.18344696604542224,0.1815106220523061,0.15822803274529784,0.1577827337480203,0.15704354266028833,0.15211652451180266,0.124691035188492,0.12018711480296702,0.10188045905381175,0.10124063336374452,0.09737526889542406,0.0942780111784612,0.09009760126918953,0.08787539478195372,0.07569137738434757,0.07383385177173549,0.07215276627922534,0.0701484948119832,0.06726151513063762,0.065280601839146,0.06403954959715998,0.06378317351914402],"twin_dists":[0.18925936120563897,0.19013766860136877,0.2149759666045615,0.23918280690894167,0.2399299677853731,0.24939405499942444,0.24958459047537968,0.24990174478665567,0.2520440846750395,0.26501501391722554,0.26734627473353584,0.2775764563628702,0.27795902025028013,0.2803113293703061,0.28224970052836695,0.28494721419486574,0.2864217113435929,0.29508049596066765,0.29649739343661813,0.29780475686445596,0.29939609978848714,0.3017544792509698,0.30342084516789253,0.30448598800328247,0.30470812556562554],"n_dims_used":43,"mean_confidence":0.9210456138433412},"coverage":{"mean_confidence":0.9210456138433412,"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}}