repository · survival report #5 · 2026-10-12 · method v4 · unranked

apache/fluss

In Survival Report #5 (2026-10-12, method v4): 10,463 of 13,047 lines introduced by 40 AI-tagged commits are still at HEAD, 80.2 %. These are counts, not grades. No rank, no colour, no verdict, and no comparison with any other repository on this page. Every number links to the audit bytes behind it and the method and its limits are public.

GitHub · latest.json · badge.svg · Survival Report #5 · all repositories · Atom feed

Baseline: this repository's untagged lines

Commits with no machine-readable AI signal, human-written, inline-completed or untagged-agent code alike: 2,192 commits, 1,006,543 lines introduced, 815,679 still at HEAD (81.0 % line-weighted, 79.3 % median per commit). Age is the time from a commit to HEAD. The baseline was added in method v3 and is unchanged later; definition at causari.dev/method.

Age-matched: AI-tagged lines 79.6 % against untagged lines in the matched age windows 82.5 %, a gap of -2.9 pts, over 3 age windows holding 96 % of the AI-tagged lines.

Line ageAI-taggedcommitsUntaggedcommits
0–30 d96.1 %2085.3 %112
30–90 d80.0 %980.5 %236
90–180 d69.9 %981.9 %296
180–365 d93.3 %276.8 %743
365–730 d—083.2 %805

By agent, in Survival Report #5

Alphabetical. A commit is attributed to the agent its metadata names; one agent per commit. VERIFIED commits only.

AgentCommitsLines introducedStill at HEADLine-weightedCapped
claude-code156,1674,39871.3 %71.3 %
cursor11,25689471.2 %71.2 %
github-copilot249639780.0 %80.0 %
openai-codex225,1284,77493.1 %93.0 %

History across reports

One row per report this repository was measured in, oldest first; each report measured HEAD as of its own date. The line is the line-weighted ratio on a fixed 0 – 100 % axis; each point is one report.

Line-weighted ratio across reports, 0 to 100 %: #2 80.1 %; #4 79.8 %; #5 80.2 %
ReportDateAI-tagged commitsLines introducedStill at HEADLine-weighted
Survival Report #22026-09-233412,65610,13580.1 %
Survival Report #42026-10-053412,65610,10079.8 %
Survival Report #52026-10-124013,04710,46380.2 %

Reproduce

One command, any machine, no account: the same bytes the report was built from. The exact bytes behind this page are repos/apache__fluss.json of Survival Report #5. Open an issue with your JSON if it differs.

re audit apache/fluss --json   # method v4, full clone

Badge

Text only, one colour, no red and no green. It follows the latest report and is cached for one hour. badge-dark.svg is the same badge as paper on ink.

AI code survival  80.2 % · causari · #5 AI code survival  80.2 % · causari · #5, paper on ink

README · Markdown
[![AI code survival](https://causari.dev/r/apache/fluss/badge.svg)](https://causari.dev/r/apache/fluss/)

Coverage

  • Method v4, causari 0.4.1. Detection from commit metadata only; survival from git blame -w -M -C at HEAD.
  • Full clone: yes. Method v4 refuses shallow clones; this row comes from a complete history.
  • Sample: 40 AI-tagged commits; the sample floor is 5. At or above the floor, so the ratio is aggregated into the report.
  • PROBABLE: No PROBABLE commits: every counted commit carries machine-readable AI authorship metadata.
  • Cap: 1,334 lines per commit in this repository; the capped ratio is 79.7 %.
  • .git-blame-ignore-revs: not present in this repository.