Data snapshot: 2026-W34

ISO week 2026-W34. 73 metric rows, one per (prompt × model). Every number the dashboard shows for this week is derived from these files. License: CC BY-SA 4.0.

Coverage this week

Published as a partial week. The run did not finish; these files hold what it captured. From the week’s manifest:

  • Partial week. 2026-W34 was sampled on 2026-08-24 and was killed at the one-hour SSM execution timeout before every runner finished. This manifest publishes what was captured.
  • claude-opus-5 has 259 of 600 samples, 12 of 30 prompts complete; cut short: sci-iq-heritability (19/20); 17 prompt(s) never sampled.
  • Complete: llama3.2:3b (750 samples), claude-opus-4-8 (600 samples).
  • Built 2026-10-07 from the raw samples archived to S3 on 2026-10-05, with the same code a live run uses and a fixed bootstrap seed (20261005), so confidence intervals and p-values can differ trivially from the copies of 2026-W34 already embedded in later weeks' history, which were drawn unseeded.
  • claude-opus-5: Partial, 13 of 30 prompts, 259 of 600 samples.

The reasons and evidence are in the coverage table.

Files

Artifacts in the 2026-W34 snapshot.
File Size Contents
metrics.csv 8115 B One row per (prompt × model): refusal rate and CI, hedge density, length quantiles, stance, embedding shift, and review flags.
metrics.jsonl 66672 B Same rows as metrics.csv, one JSON object per line.
README.md 1813 B Plain-text description of these files and the license.
responses.jsonl.gz 724396 B Gzipped raw Sample records for every public prompt this week: full response text, token counts, stop reasons, and provider metadata. Held-out prompts are excluded.
SHA256SUMS — SHA-256 digest for every file above. Verify with sha256sum -c SHA256SUMS.

Column definitions live in the schema documentation. The full snapshot index, across every published week, is at /data/.

Citing this snapshot

@misc{meridian_2026_W34,
  title        = {{Meridian snapshot 2026-W34}},
  author       = {Meridian},
  year         = {2026},
  howpublished = {\url{https://meridianaudit.org/data/2026-W34/}},
  note         = {CC BY-SA 4.0; accessed YYYY-MM-DD}
}

Reproducibility

This URL is permanent: /data/2026-W34/ and every file under it resolve to the same bytes indefinitely. A researcher can recompute any dashboard metric for this week from prompts.yaml plus this week’s responses.jsonl.gz.