Pith Number

pith:LSFZX4X2

pith:2013:LSFZX4X2RKV5VYXRXNON23CAWY

not attested not anchored not stored refs pending

Modified Newton's Law of Gravitation Due to Minimal Length in Quantum Gravity

Ahmed Farag Ali (Benha U.), A. Tawfik (Egyptian Ctr. Theor. Phys., Berlin), Cairo, Freie U.

arxiv:1301.3508 v2 · 2013-01-15 · gr-qc · 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{LSFZX4X2RKV5VYXRXNON23CAWY}

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	2026-05-18T03:32:47.084538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c8b9bf2fa8aabdae2f1bb5cdd6c40b62dde8b6fb026fd1a10a3f4caa2b8f707

Aliases

arxiv: 1301.3508 · arxiv_version: 1301.3508v2 · doi: 10.48550/arxiv.1301.3508 · pith_short_12: LSFZX4X2RKV5 · pith_short_16: LSFZX4X2RKV5VYXR · pith_short_8: LSFZX4X2

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/LSFZX4X2RKV5VYXRXNON23CAWY \
  | 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: 5c8b9bf2fa8aabdae2f1bb5cdd6c40b62dde8b6fb026fd1a10a3f4caa2b8f707

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "984658df01657dfb9c92be1388b4e827d927eafb3ffb4c633d08da227aa30861",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-15T21:50:54Z",
    "title_canon_sha256": "a79b149a709cdc265b7c9f5294c64fa39bd3915090dfb6ca326afc61573b528b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3508",
    "kind": "arxiv",
    "version": 2
  }
}