Pith Number

pith:ZBD3HTAV

pith:2025:ZBD3HTAVTUNAVW3DG5HMEBUYSK

not attested not anchored not stored refs pending

Identification of OB associations using the LAMOST-Gaia OB star sample

Chao Liu, Gang Zhao, Guozhen Hu, Jianrong Shi, Min Fang, Wenyuan Cui, Xiang-Xiang Xue, Xiao-long Wang, Yang Huang, Zhicun Liu

arxiv:2508.07599 v1 · 2025-08-11 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZBD3HTAVTUNAVW3DG5HMEBUYSK}

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	2026-07-05T11:51:49.062048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c847b3cc159d1a0adb63374ec206989297b64cef5405ae43c574103e9122b2fa

Aliases

arxiv: 2508.07599 · arxiv_version: 2508.07599v1 · doi: 10.48550/arxiv.2508.07599 · pith_short_12: ZBD3HTAVTUNA · pith_short_16: ZBD3HTAVTUNAVW3D · pith_short_8: ZBD3HTAV

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/ZBD3HTAVTUNAVW3DG5HMEBUYSK \
  | 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: c847b3cc159d1a0adb63374ec206989297b64cef5405ae43c574103e9122b2fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5289e180e7e40f6d029b9b824cd660a43b6779c18e65a64156099bd160c18a06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-08-11T04:00:17Z",
    "title_canon_sha256": "aed7dafd824d5c5dd8d26b1e49f956ba979582eabfc0c24d92c5f058d26cd59e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.07599",
    "kind": "arxiv",
    "version": 1
  }
}