Pith Number

pith:OS2I2PP7

pith:2014:OS2I2PP7MVBPQP4R7G4SRVXHHJ

not attested not anchored not stored refs pending

The p-spectral radius of k-partite and k-chromatic uniform hypergraphs

L. Kang, V. Nikiforov, X Yuan

arxiv:1402.0442 v2 · 2014-01-31 · 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{OS2I2PP7MVBPQP4R7G4SRVXHHJ}

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	2026-05-18T02:59:33.730260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74b48d3dff6542f83f91f9b928d6e73a423eeb63c3c0f8f8207b459f05a04377

Aliases

arxiv: 1402.0442 · arxiv_version: 1402.0442v2 · doi: 10.48550/arxiv.1402.0442 · pith_short_12: OS2I2PP7MVBP · pith_short_16: OS2I2PP7MVBPQP4R · pith_short_8: OS2I2PP7

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/OS2I2PP7MVBPQP4R7G4SRVXHHJ \
  | 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: 74b48d3dff6542f83f91f9b928d6e73a423eeb63c3c0f8f8207b459f05a04377

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb7a2f2934caba690416a0e117cfba6544197bc8450c7c4c9217d13bf3cad932",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-31T13:26:19Z",
    "title_canon_sha256": "8d0cb747d7ff9cd8bd978bd1d74053194cba9c946a7a13d0c554269c4d23e3be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0442",
    "kind": "arxiv",
    "version": 2
  }
}