pith. sign in
Pith Number

pith:6N23JCLL

pith:1995:6N23JCLLJDT2EFUZHREWQWHY3R
not attested not anchored not stored refs pending

Time-Variation of Newton's Constant and the Age of Globular Clusters

A. Weiss, B. Ricci, G. Fiorentini, G.G. Raffelt, S. Degl'Innocenti

arxiv:astro-ph/9509090 v1 · 1995-09-18 · astro-ph · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6N23JCLLJDT2EFUZHREWQWHY3R}

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 2026-05-18T04:21:40.887150Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f375b4896b48e7a216993c496858f8dc444ab1231259e078eafd456e09dc1479

Aliases

arxiv: astro-ph/9509090 · arxiv_version: astro-ph/9509090v1 · doi: 10.48550/arxiv.astro-ph/9509090 · pith_short_12: 6N23JCLLJDT2 · pith_short_16: 6N23JCLLJDT2EFUZ · pith_short_8: 6N23JCLL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6N23JCLLJDT2EFUZHREWQWHY3R \
  | 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: f375b4896b48e7a216993c496858f8dc444ab1231259e078eafd456e09dc1479
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "14e0965f16d00b6daf75342afc5073e33610c8087bc6cba415d2f3cd898dc50c",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-09-18T15:18:02Z",
    "title_canon_sha256": "fc3e91cc60eaed71f94a8fb5d571fa0dd27c8f953875e157bc57da0a5c093937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9509090",
    "kind": "arxiv",
    "version": 1
  }
}