Pith Number

pith:7JO3LVGQ

pith:2014:7JO3LVGQ5HP6NVHSBTHYOPVKUE

not attested not anchored not stored refs pending

FRW cosmology with the extended Chaplygin gas

B. Pourhassan, E.O. Kahya

arxiv:1405.0667 v2 · 2014-05-04 · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JO3LVGQ5HP6NVHSBTHYOPVKUE}

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	2026-05-18T02:42:46.190683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa5db5d4d0e9dfe6d4f20ccf873eaaa133b9601a34b192257c3bc8cfec3f7c96

Aliases

arxiv: 1405.0667 · arxiv_version: 1405.0667v2 · doi: 10.48550/arxiv.1405.0667 · pith_short_12: 7JO3LVGQ5HP6 · pith_short_16: 7JO3LVGQ5HP6NVHS · pith_short_8: 7JO3LVGQ

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/7JO3LVGQ5HP6NVHSBTHYOPVKUE \
  | 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: fa5db5d4d0e9dfe6d4f20ccf873eaaa133b9601a34b192257c3bc8cfec3f7c96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "386222217b96ebf07fdfa398724ad9c91824e984624dad389f1ec556314c0e64",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-04T09:00:52Z",
    "title_canon_sha256": "b41c79a9a33898392cc72c43dac6ecb6a4d7c5aed2970e891d3a13e53b6eb9b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0667",
    "kind": "arxiv",
    "version": 2
  }
}