Pith Number

pith:AZLBWI6R

pith:2026:AZLBWI6RUH3HJQZ3ZXRKFIMDR3

not attested not anchored not stored refs pending

Pre-Flight: A Benchmark for Evaluating Large Language Models on Aviation Operational Knowledge

Alex Brooker, Tim Hughes

arxiv:2607.01829 v1 · 2026-07-02 · cs.AI · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AZLBWI6RUH3HJQZ3ZXRKFIMDR3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-03T01:17:31.033441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06561b23d1a1f674c33bcde2a2a1838ee9bb030dbcc1227fc8abf972c877b6ce

Aliases

arxiv: 2607.01829 · arxiv_version: 2607.01829v1 · doi: 10.48550/arxiv.2607.01829 · pith_short_12: AZLBWI6RUH3H · pith_short_16: AZLBWI6RUH3HJQZ3 · pith_short_8: AZLBWI6R

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/AZLBWI6RUH3HJQZ3ZXRKFIMDR3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 06561b23d1a1f674c33bcde2a2a1838ee9bb030dbcc1227fc8abf972c877b6ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7069d9e792e889fb999f674e7fb793c8160e977ed7f48aa8b6ee622db2be50c8",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-02T07:49:55Z",
    "title_canon_sha256": "55fe282aa3e4a2e23b1d3559d3d0a947280416a8adc719a97e2c62ffd086285f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01829",
    "kind": "arxiv",
    "version": 1
  }
}