Pith Number

pith:V2PNHNXY

pith:2026:V2PNHNXYICRVUZUVG6TZIOML4Y

not attested not anchored not stored refs pending

Prompt-Level Reward Specifications for Open-Ended Post-Training

Kaidong Yu, Shuangyong Song, Xiaohui Hu, Xuanjing Huang, Yongxiang Li, Zijun Weng

arxiv:2605.29275 v1 · 2026-05-28 · 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{V2PNHNXYICRVUZUVG6TZIOML4Y}

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	2026-05-29T01:05:28.586825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae9ed3b6f840a35a669537a794398be609849b28633a67515d1463367d913179

Aliases

arxiv: 2605.29275 · arxiv_version: 2605.29275v1 · doi: 10.48550/arxiv.2605.29275 · pith_short_12: V2PNHNXYICRV · pith_short_16: V2PNHNXYICRVUZUV · pith_short_8: V2PNHNXY

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/V2PNHNXYICRVUZUVG6TZIOML4Y \
  | 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: ae9ed3b6f840a35a669537a794398be609849b28633a67515d1463367d913179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab72dc6777e3e25160a0a0a596a660f67b1aa7e2613737807ae0f00f85845d6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-28T02:52:06Z",
    "title_canon_sha256": "1b9a7cf670c0e0b1789a24870cae5876881f808dcadc3f2ca868658daff9ffe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29275",
    "kind": "arxiv",
    "version": 1
  }
}