Pith Number

pith:3L4W5ISL

pith:2011:3L4W5ISLSVHWV3EHYKATH6JW4U

not attested not anchored not stored refs pending

Cosmological Imprints of a Generalized Chaplygin Gas Model for the Early Universe

Mariam Bouhmadi-Lopez, Pisin Chen, Yen-Wei Liu

arxiv:1104.0676 v1 · 2011-04-04 · 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{3L4W5ISLSVHWV3EHYKATH6JW4U}

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	2026-05-18T02:22:11.109925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daf96ea24b954f6aec87c28133f936e51d30e70411eb03f10efb076eadc5ecb7

Aliases

arxiv: 1104.0676 · arxiv_version: 1104.0676v1 · doi: 10.48550/arxiv.1104.0676 · pith_short_12: 3L4W5ISLSVHW · pith_short_16: 3L4W5ISLSVHWV3EH · pith_short_8: 3L4W5ISL

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/3L4W5ISLSVHWV3EHYKATH6JW4U \
  | 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: daf96ea24b954f6aec87c28133f936e51d30e70411eb03f10efb076eadc5ecb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abb3809fde9f63136a176d220a8289724e0893084d18b6710e636017856e990a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-04T20:07:24Z",
    "title_canon_sha256": "ca78bf08cf397497116b4938967f593440035c98463fc1231668df68ce14ec1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0676",
    "kind": "arxiv",
    "version": 1
  }
}