Pith Number

pith:PPWJL3LS

pith:2001:PPWJL3LS6W5JB7RJ3VESK5GEWJ

not attested not anchored not stored refs pending

Highly accurate calculation of rotating neutron stars

A. Kleinw\"achter, M. Ansorg, R. Meinel

arxiv:astro-ph/0111080 v2 · 2001-11-05 · astro-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPWJL3LS6W5JB7RJ3VESK5GEWJ}

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	2026-05-18T04:32:44.536649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bec95ed72f5ba90fe29dd492574c4b258f03f510394028f17479ada4ec22e6c

Aliases

arxiv: astro-ph/0111080 · arxiv_version: astro-ph/0111080v2 · doi: 10.48550/arxiv.astro-ph/0111080 · pith_short_12: PPWJL3LS6W5J · pith_short_16: PPWJL3LS6W5JB7RJ · pith_short_8: PPWJL3LS

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/PPWJL3LS6W5JB7RJ3VESK5GEWJ \
  | 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: 7bec95ed72f5ba90fe29dd492574c4b258f03f510394028f17479ada4ec22e6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c401280a46293dcd79dce53792b03feef7a6fc8cfdc9e1191355cb73958efda",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-05T11:28:56Z",
    "title_canon_sha256": "c3103bb503a627f3490e1e8ecabee5973215eee26a03df8b46c26ac718852a6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111080",
    "kind": "arxiv",
    "version": 2
  }
}