Pith Number

pith:JFHVGYY2

pith:2013:JFHVGYY2JCYKQJPOUTL7ZBRVRG

not attested not anchored not stored refs pending

The skew energy of random oriented graphs

Huishu Lian, Xiaolin Chen, Xueliang Li

arxiv:1301.6224 v1 · 2013-01-26 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFHVGYY2JCYKQJPOUTL7ZBRVRG}

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	2026-05-18T03:35:24.693069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

494f53631a48b0a825eea4d7fc863589b81c7aeff91d1e34f572559da35974b2

Aliases

arxiv: 1301.6224 · arxiv_version: 1301.6224v1 · doi: 10.48550/arxiv.1301.6224 · pith_short_12: JFHVGYY2JCYK · pith_short_16: JFHVGYY2JCYKQJPO · pith_short_8: JFHVGYY2

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/JFHVGYY2JCYKQJPOUTL7ZBRVRG \
  | 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: 494f53631a48b0a825eea4d7fc863589b81c7aeff91d1e34f572559da35974b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c84388de8dbb4f62fd7296f01e3aa1364e20b88d08350d19068ee0ff1cef507",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-01-26T08:58:01Z",
    "title_canon_sha256": "72837ac765728b910dd6c579fb0cb3badfc19bd410b0048f57f5281a600ac61a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6224",
    "kind": "arxiv",
    "version": 1
  }
}