Pith Number

pith:QA5PN7SB

pith:2014:QA5PN7SBLG5I2WM5NEBJTYSQHW

not attested not anchored not stored refs pending

Connecting early and late universe by $f(R)$ gravity

Mariafelicia De Laurentis, Orlando Luongo, Salvatore Capozziello

arxiv:1411.2822 v1 · 2014-10-27 · 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{QA5PN7SBLG5I2WM5NEBJTYSQHW}

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	2026-05-18T01:41:33.206048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

803af6fe4159ba8d599d690299e2503d8bf9c37ce44ebdbd9616923bf92d2f4b

Aliases

arxiv: 1411.2822 · arxiv_version: 1411.2822v1 · doi: 10.48550/arxiv.1411.2822 · pith_short_12: QA5PN7SBLG5I · pith_short_16: QA5PN7SBLG5I2WM5 · pith_short_8: QA5PN7SB

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/QA5PN7SBLG5I2WM5NEBJTYSQHW \
  | 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: 803af6fe4159ba8d599d690299e2503d8bf9c37ce44ebdbd9616923bf92d2f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ea01c972f647d68c1408a4922b401e003fce6fa9105ef6904447322ff3aaae7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-10-27T09:42:15Z",
    "title_canon_sha256": "5a533562097116b955f1585aad090fb8b65e25dbb2828d0fc8eeec080f6db84e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2822",
    "kind": "arxiv",
    "version": 1
  }
}