Pith Number

pith:Z3ICWND7

pith:1998:Z3ICWND7QEKHHKNOJB4FSUFNOV

not attested not anchored not stored refs pending

A Strange Star Model for Pulsars

1, 2), 2) ((1) Department of Geophysics, (2) CAS-PKU Joint Beijing Astrophysics Center, (3) CCAST (World Laboratory), Beijing, Guo Jun Qiao (3, Peking University, P. R. China, P. R.China), Ren Xin Xu (1

arxiv:astro-ph/9804278 v1 · 1998-04-27 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3ICWND7QEKHHKNOJB4FSUFNOV}

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	2026-05-18T01:07:37.516188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ced02b347f811473a9ae48785950ad756547820c36c58101cc1be7ab38a16370

Aliases

arxiv: astro-ph/9804278 · arxiv_version: astro-ph/9804278v1 · doi: 10.48550/arxiv.astro-ph/9804278 · pith_short_12: Z3ICWND7QEKH · pith_short_16: Z3ICWND7QEKHHKNO · pith_short_8: Z3ICWND7

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/Z3ICWND7QEKHHKNOJB4FSUFNOV \
  | 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: ced02b347f811473a9ae48785950ad756547820c36c58101cc1be7ab38a16370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42f19b522cdbe042cceeda1f1dd2acc502b8df777fbb907f8f01b823cff8b015",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-27T13:33:56Z",
    "title_canon_sha256": "8c81b82f3c0d3ff2bec24d1b1f541f2308aa37f4f472ee73e39fe66cc2d051d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804278",
    "kind": "arxiv",
    "version": 1
  }
}