Pith Number

pith:J45B7GQZ

pith:2013:J45B7GQZ2DBSUEBFK4C5I7VQHY

not attested not anchored not stored refs pending

White dwarf constraints on a varying $G$

Alejandra D. Romero, Alejandro H. C\'orsico, Enrique Garc\'ia-Berro, Jordi Isern, Leandro G. Althaus, Pablo Lor\'en-Aguilar, Santiago Torres

arxiv:1308.5414 v1 · 2013-08-25 · astro-ph.SR · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J45B7GQZ2DBSUEBFK4C5I7VQHY}

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	2026-05-18T03:15:04.752986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f3a1f9a19d0c32a10255705d47eb03e314076a7bac8fc30859ed08c21c22ff2

Aliases

arxiv: 1308.5414 · arxiv_version: 1308.5414v1 · doi: 10.48550/arxiv.1308.5414 · pith_short_12: J45B7GQZ2DBS · pith_short_16: J45B7GQZ2DBSUEBF · pith_short_8: J45B7GQZ

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/J45B7GQZ2DBSUEBFK4C5I7VQHY \
  | 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: 4f3a1f9a19d0c32a10255705d47eb03e314076a7bac8fc30859ed08c21c22ff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "107a98f4b203a8ecd8486141bf076256d373fec127d13176d30662bb874aaa6f",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-25T15:08:12Z",
    "title_canon_sha256": "343ab87858891ec7b90909b66ffd8ddba1a965313b716b5980ec4d9c639d5ab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5414",
    "kind": "arxiv",
    "version": 1
  }
}