pith. sign in
Pith Number

pith:YGNHWXNK

pith:2013:YGNHWXNKMFGDN3WHSNKJEZUXYG
not attested not anchored not stored refs pending

From Extended Gravity with Torsion-Spin Coupling to Running Constant for Weak-Leptonic Forces

Luca Fabbri

arxiv:1308.1798 v1 · 2013-08-08 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YGNHWXNKMFGDN3WHSNKJEZUXYG}

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 2026-05-18T03:16:27.653190Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c19a7b5daa614c36eec79354926697c1aa419ae306022c6e838aef84bc9129b7

Aliases

arxiv: 1308.1798 · arxiv_version: 1308.1798v1 · doi: 10.48550/arxiv.1308.1798 · pith_short_12: YGNHWXNKMFGD · pith_short_16: YGNHWXNKMFGDN3WH · pith_short_8: YGNHWXNK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YGNHWXNKMFGDN3WHSNKJEZUXYG \
  | 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: c19a7b5daa614c36eec79354926697c1aa419ae306022c6e838aef84bc9129b7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ef57fecef8ccf1512e146b12e4dd2a1a2e181bd0cebf4b6d89eb1b7a7bd135ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-08-08T09:33:32Z",
    "title_canon_sha256": "aa1638339f19564a072f7230fdbf9eff68f9f07e468ee8889c2b2d5ba66e8dd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1798",
    "kind": "arxiv",
    "version": 1
  }
}