Pith Number

pith:IYNFKEPM

pith:2013:IYNFKEPMA7VWS476NMBJZ4QRWV

not attested not anchored not stored refs pending

Topological gravity and Wess-Zumino-Witten term

Omar Valdivia, Patricio Salgado, Patricio Salgado-Rebolledo

arxiv:1311.2532 v2 · 2013-11-11 · math-ph · gr-qc · hep-th · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYNFKEPMA7VWS476NMBJZ4QRWV}

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	2026-05-18T02:12:11.665558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

461a5511ec07eb6973fe6b029cf211b55cc385ac6eb40268c82830f79b198afa

Aliases

arxiv: 1311.2532 · arxiv_version: 1311.2532v2 · doi: 10.48550/arxiv.1311.2532 · pith_short_12: IYNFKEPMA7VW · pith_short_16: IYNFKEPMA7VWS476 · pith_short_8: IYNFKEPM

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/IYNFKEPMA7VWS476NMBJZ4QRWV \
  | 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: 461a5511ec07eb6973fe6b029cf211b55cc385ac6eb40268c82830f79b198afa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9044a363c74aa650ca1b1902302aa508432ced92fe91309fd99aebbe7dbb218f",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-11-11T19:00:03Z",
    "title_canon_sha256": "0f3ea4f2c490bae3f0e914e5b21b70a996b532c4c5e47b68f72ffc8b0fc55e05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2532",
    "kind": "arxiv",
    "version": 2
  }
}