Pith. sign in
Pith Number

pith:IHYHJV2O

pith:2004:IHYHJV2O2GFCHHKRXDOC7QNEOT
not attested not anchored not stored refs pending

Nonsingular FRW cosmology and nonlinear electrodynamics

C. S. Camara (UFRN), J. A. S. Lima (IAG-Usp, J. C. Carvalho (UFRN), M. R. de Garcia Maia (UFRN), UFRN)

arxiv:astro-ph/0402311 v1 · 2004-02-12 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IHYHJV2O2GFCHHKRXDOC7QNEOT}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T16:43:01.900738Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

41f074d74ed18a239d51b8dc2fc1a474df281429b4e54004055cb29186f8363d

Aliases

arxiv: astro-ph/0402311 · arxiv_version: astro-ph/0402311v1 · doi: 10.48550/arxiv.astro-ph/0402311 · pith_short_12: IHYHJV2O2GFC · pith_short_16: IHYHJV2O2GFCHHKR · pith_short_8: IHYHJV2O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IHYHJV2O2GFCHHKRXDOC7QNEOT \
  | 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: 41f074d74ed18a239d51b8dc2fc1a474df281429b4e54004055cb29186f8363d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bbf48439cb2b84886510e8daf76651fa1b329293e9edd7f6856d97e177907142",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-12T19:43:23Z",
    "title_canon_sha256": "3370dcc0b4a6f7b377f15bc6b130f233e1213c08a869d3ab8d05b487a3a805d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402311",
    "kind": "arxiv",
    "version": 1
  }
}