Pith Number

pith:CVWHESCI

pith:2014:CVWHESCIODJX4R6Z2OEU4HWQSH

not attested not anchored not stored refs pending

Spectral radius and signless Laplacian spectral radius of strongly connected digraphs

Lihua You, Wenxi Hong

arxiv:1401.7091 v1 · 2014-01-28 · 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{CVWHESCIODJX4R6Z2OEU4HWQSH}

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	2026-05-18T03:00:50.888209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

156c72484870d37e47d9d3894e1ed091cbf3223f3b2ef4eeadb350aae17b2462

Aliases

arxiv: 1401.7091 · arxiv_version: 1401.7091v1 · doi: 10.48550/arxiv.1401.7091 · pith_short_12: CVWHESCIODJX · pith_short_16: CVWHESCIODJX4R6Z · pith_short_8: CVWHESCI

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/CVWHESCIODJX4R6Z2OEU4HWQSH \
  | 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: 156c72484870d37e47d9d3894e1ed091cbf3223f3b2ef4eeadb350aae17b2462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acc7e80f9b1f2cbdffbe8f4b9125dcd218b659d43eae5937cd4993c8a59e8975",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-28T06:10:52Z",
    "title_canon_sha256": "0ce36792810c3dd6afac40c13b46a59c64fa7d6c0bcdefd13da515e162df7efd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7091",
    "kind": "arxiv",
    "version": 1
  }
}