Pith Number

pith:3BJXRNFP

pith:2002:3BJXRNFPXHBJHYASWNHQBGZLCQ

not attested not anchored not stored refs pending

Cosmological consequences of a Chaplygin gas dark energy

Abha Dev (University of Delhi), Deepak Jain (University of Delhi), J. S. Alcaniz (University of Washington)

arxiv:astro-ph/0209379 v2 · 2002-09-18 · astro-ph · 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{3BJXRNFPXHBJHYASWNHQBGZLCQ}

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

A solid unification of the dark sector

Receipt and verification

First computed	2026-07-04T16:30:48.468359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d85378b4afb9c293e012b34f009b2b1420c08c9b43c2a868d6f34310d23ece37

Aliases

arxiv: astro-ph/0209379 · arxiv_version: astro-ph/0209379v2 · doi: 10.48550/arxiv.astro-ph/0209379 · pith_short_12: 3BJXRNFPXHBJ · pith_short_16: 3BJXRNFPXHBJHYAS · pith_short_8: 3BJXRNFP

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/3BJXRNFPXHBJHYASWNHQBGZLCQ \
  | 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: d85378b4afb9c293e012b34f009b2b1420c08c9b43c2a868d6f34310d23ece37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fce20c08c53e28e550a143b975d4733aeeaafcb439a9334abcf580a5abaaec65",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-18T19:23:35Z",
    "title_canon_sha256": "b293e62a4026378cb035a31348745521d8498da6dd1f51704845871cf14a2760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209379",
    "kind": "arxiv",
    "version": 2
  }
}