Pith Number

pith:UT26B4FC

pith:2014:UT26B4FCE6HHX4DUNJWJQQNYHA

not attested not anchored not stored refs pending

Skew Randi\'c Matrix and Skew Randi\'c Energy

Fei Huang, Ran Gu, Xueliang Li

arxiv:1406.1300 v2 · 2014-06-05 · 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{UT26B4FCE6HHX4DUNJWJQQNYHA}

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	2026-05-18T02:30:31.958831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f5e0f0a2278e7bf0746a6c9841b8383ba718c3c655c3c2a4b23973eba86eb3

Aliases

arxiv: 1406.1300 · arxiv_version: 1406.1300v2 · doi: 10.48550/arxiv.1406.1300 · pith_short_12: UT26B4FCE6HH · pith_short_16: UT26B4FCE6HHX4DU · pith_short_8: UT26B4FC

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/UT26B4FCE6HHX4DUNJWJQQNYHA \
  | 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: a4f5e0f0a2278e7bf0746a6c9841b8383ba718c3c655c3c2a4b23973eba86eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c8e31499df3277dda43714989150d3b4f9815b6eb8720c28d5210d68fa1f5eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-05T09:02:35Z",
    "title_canon_sha256": "7b2d26b5c0a1790a210529e222c0d58daa637fe009ba17385e5f3387a115d291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1300",
    "kind": "arxiv",
    "version": 2
  }
}