# Desk log SMA-FLIP-20260823

**Status:** First-party illustrative composite; not customer, accounting, pricing, benchmark, or independently audited data  
**Run date:** 2026-08-23  
**Evidence checked:** 2026-08-31  
**Operator:** InfiniSynapse Data Team  
**Attestor:** William Zhu, InfiniSynapse cofounder ([GitHub @allwefantasy](https://github.com/allwefantasy))

The operator inspected an illustrative 14-day order/cost join: 16,800 lines, 1,240 SKUs, 88 lines without dated cost, five return flips, three fee flips, and a 9.1% return rate on the flip set. Paid spend and auto-reorder remained held.

The [CSV](https://infinisynapse.com/blog-media/sku-margin-analysis/downloads/contribution-summary-SMA-FLIP-20260823.csv) exposes six aggregates and two held actions. The [verification script](https://infinisynapse.com/blog-media/sku-margin-analysis/downloads/verify-SMA-FLIP-20260823.py) checks displayed output only. Source rows, prices, cost vintages, fee records, identifiers, SQL, denominators, reconciliations, and financial review are unavailable.

External context: [U.S. GAO Assessing Data Reliability](https://www.gao.gov/products/gao-20-283g), [FASB Accounting Standards Codification](https://asc.fasb.org/), and [U.S. Census Monthly Retail Trade](https://www.census.gov/retail/index.html) (retrieved 2026-08-31). These publishers did not review this run.