Pith Number

pith:GVHEY35I

pith:1999:GVHEY35IJINL5JMQ77D2NPWYIC

not attested not anchored not stored refs pending

Fermion stars as gravitational lenses

Croatia), Hrvoje Nikolic (Rudjer Boskovic Institute, Neven Bilic, Raoul D. Viollier (University of Cape Town, Rondebosch, South Africa), Zagreb

arxiv:astro-ph/9912381 v2 · 1999-12-17 · astro-ph · hep-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{GVHEY35IJINL5JMQ77D2NPWYIC}

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	2026-05-18T02:40:27.410360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

354e4c6fa84a1abea590ffc7a6bed840ab99216649113c4fc81ebc0921693b65

Aliases

arxiv: astro-ph/9912381 · arxiv_version: astro-ph/9912381v2 · doi: 10.48550/arxiv.astro-ph/9912381 · pith_short_12: GVHEY35IJINL · pith_short_16: GVHEY35IJINL5JMQ · pith_short_8: GVHEY35I

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/GVHEY35IJINL5JMQ77D2NPWYIC \
  | 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: 354e4c6fa84a1abea590ffc7a6bed840ab99216649113c4fc81ebc0921693b65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb4583dd4f466d881f8d9b4369c393914ffe42c185ad4d9123a16e399d50319c",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-17T16:31:45Z",
    "title_canon_sha256": "595962475c5759e5f4ba81ef5047d2c2cf544d4f0e902b108b59c7a685147411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912381",
    "kind": "arxiv",
    "version": 2
  }
}