Pith Number

pith:FWG52673

pith:2013:FWG52673VQMZJ3LI2PQZGDQST4

not attested not anchored not stored refs pending

An independent constraint on the secular rate of variation of the gravitational constant from pulsating white dwarfs

Alejandra D. Romero, Alejandro H. C\'orsico, Enrique Garc\'ia-Berro, Leandro G. Althaus

arxiv:1306.1864 v1 · 2013-06-08 · 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{FWG52673VQMZJ3LI2PQZGDQST4}

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	2026-05-18T01:49:24.693666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d8ddd7bfbac1994ed68d3e1930e129f07d1ef4a75470bd51e922ccfd4325a89

Aliases

arxiv: 1306.1864 · arxiv_version: 1306.1864v1 · doi: 10.48550/arxiv.1306.1864 · pith_short_12: FWG52673VQMZ · pith_short_16: FWG52673VQMZJ3LI · pith_short_8: FWG52673

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/FWG52673VQMZJ3LI2PQZGDQST4 \
  | 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: 2d8ddd7bfbac1994ed68d3e1930e129f07d1ef4a75470bd51e922ccfd4325a89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ebaa003723f3d7f7c7f11c488665d918e4891968db62479664ef1dac3319e9f",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-08T01:14:40Z",
    "title_canon_sha256": "642fdf4055585fe6510bd12532aa30ecdcc31c87fe93c7fa7b4268eedb559563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1864",
    "kind": "arxiv",
    "version": 1
  }
}