pith. sign in
Pith Number

pith:E4LZXBBG

pith:2000:E4LZXBBGJHCQIIHD7TSAN5HJNY
not attested not anchored not stored refs pending

Bekenstein model and the time variation of the strong coupling constant

2), (2) HIAST, Argentina, Damascus, H. Vucetich (1) ((1)U.N.L.P., La Plata, N. Chamoun (1, S.J. Landau (1), Syria)

arxiv:astro-ph/0008436 v3 · 2000-08-28 · astro-ph · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{E4LZXBBGJHCQIIHD7TSAN5HJNY}

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 2026-05-18T04:17:54.033150Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

27179b842649c50420e3fce406f4e96e035050d4fbe80a9cf8176f6f696df712

Aliases

arxiv: astro-ph/0008436 · arxiv_version: astro-ph/0008436v3 · doi: 10.48550/arxiv.astro-ph/0008436 · pith_short_12: E4LZXBBGJHCQ · pith_short_16: E4LZXBBGJHCQIIHD · pith_short_8: E4LZXBBG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/E4LZXBBGJHCQIIHD7TSAN5HJNY \
  | 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: 27179b842649c50420e3fce406f4e96e035050d4fbe80a9cf8176f6f696df712
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9d5fc1df174b84121d1c744859ccd7a0ef31907430aacffcbca1e412112c074b",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-28T20:19:38Z",
    "title_canon_sha256": "03645a1f1943ce4c86208595dbf62b123a9f6c1ec39822cbc2467ddd66947d5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008436",
    "kind": "arxiv",
    "version": 3
  }
}