{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000683},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000798","480:4800000565","480:4800000651","480:4800000874","480:4800000447","480:4800000759","480:4800000691","480:4800000652","480:4800000471","480:4800001006","480:4800000397","480:4800000434","480:4800000572","480:4800000681","480:4800000312","480:4800000532","480:4800000640","480:4800000574","480:4800000751","480:4800000544","480:4800000335","480:4800000676","480:4800000646","480:4800001079","480:4800000537"],"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":[0.6182540736478603,0.5937207296436098,0.5081065773617067,0.4967868115293458,0.4958061234209353,0.4953026673803244,0.49232464252958064,0.47447878508577546,0.46921768063135105,0.46778048706789654,0.4661910127917717,0.46474317679121263,0.46187419023773096,0.4519789575777832,0.43696788383789376,0.42235994182347036,0.4148733001251398,0.41046004152282056,0.4077103073823009,0.40242237333709585,0.3985288523460537,0.39528992547985076,0.38739515444203626,0.36921144582779175,0.367801125486632],"twin_dists":[0.1273638756183432,0.13261784285101114,0.15113105814318065,0.15362502754636415,0.1538418325203578,0.1539531815324635,0.1546125020659782,0.15858928622461124,0.15977079830794383,0.16009433061106126,0.1604525395686467,0.16077919507358548,0.1614275346627291,0.163674799044034,0.16711930684612092,0.17051658476716108,0.17227664531655018,0.1733205757715144,0.17397349419077135,0.1752346228616078,0.176167968698234,0.17694757086519314,0.17886032572853755,0.18333804809042076,0.18368981262846135],"n_dims_used":43,"mean_confidence":0.9137300003406613},"coverage":{"mean_confidence":0.9137300003406613,"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}}