{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000772},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000769","500:5000000826","500:5000000887","500:5000000383","500:5000000437","485:4850008054","485:4850008948","500:5000002414","485:4850008906","485:4850008907","485:4850008231","500:5000000768","500:5000000701","500:5000000827","485:4850008134","500:5000000490","500:5000000823","500:5000000771","485:4850008680","485:4850008949","500:5000000382","500:5000000824","500:5000000700","500:5000000380","500:5000000544"],"twin_admin_codes":[500,500,500,500,500,485,485,500,485,485,485,500,500,500,485,500,500,500,485,485,500,500,500,500,500],"twin_sims":[0.7957233710577516,0.733680268899208,0.7084973352786788,0.6811715253947288,0.652196276183076,0.6510917581066454,0.6390858689281349,0.6143275804828332,0.6056962806008017,0.5936910955094842,0.5936779835327938,0.5929602499262425,0.5910824829866672,0.5899372448778728,0.5834789003140023,0.5803029156870044,0.577906909234505,0.5728192438628741,0.5721318136164528,0.5676589141069426,0.5604366331592427,0.5603343410425898,0.5591642625983151,0.5506098177703339,0.5470926595268626],"twin_dists":[0.08779816532561589,0.10221080006933737,0.10782069817761446,0.11380757362978244,0.12007733591102135,0.12031519471903518,0.12289674243506149,0.1282048651038429,0.13005315036842638,0.13262419113295426,0.13262700001029232,0.13278075848670462,0.13318306752324843,0.13342846355170582,0.1348128443383288,0.1354940190446879,0.13600810508383213,0.1371003547374844,0.13724800936935128,0.13820922263426405,0.13976318473455418,0.1397852127802096,0.14003722217579587,0.14188202017165946,0.1426418175243714],"n_dims_used":44,"mean_confidence":0.9167294935746626},"coverage":{"mean_confidence":0.9167294935746626,"n_dims_used":44,"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}}