Pith Number

pith:ACWDQKYT

pith:2013:ACWDQKYTPX35ZBUDLT3PFSSJJJ

not attested not anchored not stored refs pending

Cosmological constraints on a decomposed Chaplygin gas

Alireza Hojjati, David Wands, Josue De-Santiago, Lixin Xu, Yuting Wang

arxiv:1301.5315 v2 · 2013-01-22 · 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{ACWDQKYTPX35ZBUDLT3PFSSJJJ}

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	2026-05-18T03:28:05.094071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00ac382b137df7dc86835cf6f2ca494a486ca83ae3291509671b7b86cf17a279

Aliases

arxiv: 1301.5315 · arxiv_version: 1301.5315v2 · doi: 10.48550/arxiv.1301.5315 · pith_short_12: ACWDQKYTPX35 · pith_short_16: ACWDQKYTPX35ZBUD · pith_short_8: ACWDQKYT

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/ACWDQKYTPX35ZBUDLT3PFSSJJJ \
  | 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: 00ac382b137df7dc86835cf6f2ca494a486ca83ae3291509671b7b86cf17a279

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ac125ebd8f3f9668a734d7c0dc25ff6a62053978b1261008ab4853fefa66d3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-22T18:11:03Z",
    "title_canon_sha256": "3732985bd155d2aec6f221c604055f10a3be9b8e30d1e3858b18a6565007c7ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5315",
    "kind": "arxiv",
    "version": 2
  }
}