Pith Number

pith:NAPJJ53U

pith:2026:NAPJJ53UQ5GMQJC5R5IUKHGM3C

not attested not anchored not stored refs pending

A Single Rewrite Suffices: Empirical Lessons from Production Skill Description Optimization

Aaron Halfaker, Kwei-Herng Lai, Mohammad Alqudah, Yaar Harari, Yangqiaoyu Zhou, Yingqi Xiong

arxiv:2606.30775 v1 · 2026-06-29 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NAPJJ53UQ5GMQJC5R5IUKHGM3C}

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	2026-07-01T00:17:16.600533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

681e94f774874cc8245d8f51451cccd8b1f8696b2e66bc162b507e77581509fc

Aliases

arxiv: 2606.30775 · arxiv_version: 2606.30775v1 · doi: 10.48550/arxiv.2606.30775 · pith_short_12: NAPJJ53UQ5GM · pith_short_16: NAPJJ53UQ5GMQJC5 · pith_short_8: NAPJJ53U

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/NAPJJ53UQ5GMQJC5R5IUKHGM3C \
  | 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: 681e94f774874cc8245d8f51451cccd8b1f8696b2e66bc162b507e77581509fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "525506b5764ee40291cb34540ce8698f2e34c9ed8b46a942995b78ebb27c00b2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-29T18:06:43Z",
    "title_canon_sha256": "d80f10410de3853687a95d49b961edf84992e05eb107abf0dbe13258302baa8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30775",
    "kind": "arxiv",
    "version": 1
  }
}