Pith Number

pith:DS2QQG23

pith:2018:DS2QQG23HR25G2JLRLWV4GCRGF

not attested not anchored not stored refs pending

Observational constraints on Gauss-Bonnet cosmology

Jailson S. Alcaniz, Mariafelicia De Laurentis, Micol Benetti, Salvatore Capozziello, Simony Santos da Costa

arxiv:1803.00895 v1 · 2018-03-02 · gr-qc · astro-ph.CO · 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{DS2QQG23HR25G2JLRLWV4GCRGF}

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	2026-07-05T01:49:34.007444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cb5081b5b3c75d3692b8aed5e185131736f2f2fd6f7d48a1b1609b20f29d79b

Aliases

arxiv: 1803.00895 · arxiv_version: 1803.00895v1 · doi: 10.48550/arxiv.1803.00895 · pith_short_12: DS2QQG23HR25 · pith_short_16: DS2QQG23HR25G2JL · pith_short_8: DS2QQG23

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/DS2QQG23HR25G2JLRLWV4GCRGF \
  | 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: 1cb5081b5b3c75d3692b8aed5e185131736f2f2fd6f7d48a1b1609b20f29d79b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d498a090c8805cb4a12a50bd6c24b03ed2bb7678856a24e566773bc930f726",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-02T15:30:10Z",
    "title_canon_sha256": "ca62bd45c84467cb01822801e3c24c6f723d84d3a0da597bbbc2dcb445a42abd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00895",
    "kind": "arxiv",
    "version": 1
  }
}