Pith Number

pith:JLZK5MKB

pith:2014:JLZK5MKBETQOWFWC4IS5FQ6XLW

not attested not anchored not stored refs pending

Viscous Generalized Chaplygin Gas as a Unified Dark Fluid: Including Perturbation of Bulk Viscosity

Lixin Xu, Wei Li

arxiv:1402.3669 v3 · 2014-02-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLZK5MKBETQOWFWC4IS5FQ6XLW}

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	2026-05-18T02:55:03.644090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4af2aeb14124e0eb16c2e225d2c3d75d970bcc3c1c65f032ccf3018af3aee8ec

Aliases

arxiv: 1402.3669 · arxiv_version: 1402.3669v3 · doi: 10.48550/arxiv.1402.3669 · pith_short_12: JLZK5MKBETQO · pith_short_16: JLZK5MKBETQOWFWC · pith_short_8: JLZK5MKB

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/JLZK5MKBETQOWFWC4IS5FQ6XLW \
  | 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: 4af2aeb14124e0eb16c2e225d2c3d75d970bcc3c1c65f032ccf3018af3aee8ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d995442ab98ff8154459f4d733b6600097a55350ce4714ab3007c3833dda9a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-15T09:35:56Z",
    "title_canon_sha256": "fd7b936e7762679dba88534de2fbbbf75f0f3a2ed2693b0c62f72f963d6ee513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3669",
    "kind": "arxiv",
    "version": 3
  }
}