Pith Number

pith:VI7UJQSJ

pith:2014:VI7UJQSJ2UFKMEWOVFXFIMK4NL

not attested not anchored not stored refs pending

Nonlinear Chaplygin Gas Cosmologies

G. F. Lewis, K. Bolejko, P. P. Avelino

arxiv:1403.1718 v2 · 2014-03-07 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VI7UJQSJ2UFKMEWOVFXFIMK4NL}

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	2026-05-18T01:44:18.494612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa3f44c249d50aa612cea96e54315c6afdb684359e3e945166c20aa2467ee0a4

Aliases

arxiv: 1403.1718 · arxiv_version: 1403.1718v2 · doi: 10.48550/arxiv.1403.1718 · pith_short_12: VI7UJQSJ2UFK · pith_short_16: VI7UJQSJ2UFKMEWO · pith_short_8: VI7UJQSJ

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/VI7UJQSJ2UFKMEWOVFXFIMK4NL \
  | 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: aa3f44c249d50aa612cea96e54315c6afdb684359e3e945166c20aa2467ee0a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7db512174c35e81a801c9117014f3c8f2631914974e5fe843378ec8b217b0dc7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-03-07T11:04:28Z",
    "title_canon_sha256": "71915402d7951ccc9abf72512c5aebe765ac3c779d8307e0fe6c6fa0d37df13e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1718",
    "kind": "arxiv",
    "version": 2
  }
}