Pith Number

pith:EAULDIQ2

pith:2003:EAULDIQ2SR6GIKP7NODMK57NA4

not attested not anchored not stored refs pending

WMAP and the Generalized Chaplygin Gas

Bologna), C. Burigana, D. Carturan (IASF/CNR, F. Finelli, L. Amendola (INAF/Rome Observatory)

arxiv:astro-ph/0304325 v2 · 2003-04-17 · astro-ph · gr-qc · 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{EAULDIQ2SR6GIKP7NODMK57NA4}

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

Black holes in Einstein-Gauss-Bonnet gravity with a background of modified Chaplygin gas

Receipt and verification

First computed	2026-07-04T16:36:53.064568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2028b1a21a947c6429ff6b86c577ed072cbfc45c879623e3663f8b6ff5949dcd

Aliases

arxiv: astro-ph/0304325 · arxiv_version: astro-ph/0304325v2 · doi: 10.48550/arxiv.astro-ph/0304325 · pith_short_12: EAULDIQ2SR6G · pith_short_16: EAULDIQ2SR6GIKP7 · pith_short_8: EAULDIQ2

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/EAULDIQ2SR6GIKP7NODMK57NA4 \
  | 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: 2028b1a21a947c6429ff6b86c577ed072cbfc45c879623e3663f8b6ff5949dcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b7a684ae115f7ed8cb258d9a28a036aa291acb3f686eb48c77f77ea898d3b18",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-17T15:42:25Z",
    "title_canon_sha256": "4f569f49bbe373a92965cc1abe9ae0c14bd4603a3a51b0198feb3aa000beda86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304325",
    "kind": "arxiv",
    "version": 2
  }
}