Pith Number

pith:2PEZTYHM

pith:2013:2PEZTYHMF2Q35UKLDI5TLCPH6V

not attested not anchored not stored refs pending

On-Line Choice Number of Complete Multipartite Graphs: an Algorithmic Approach

Fei-Huang Chang, Hong-Bin Chen, Jun-Yi Guo, Yu-Pei Huang

arxiv:1305.2700 v2 · 2013-05-13 · 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{2PEZTYHMF2Q35UKLDI5TLCPH6V}

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	2026-05-18T02:31:04.125024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3c999e0ec2ea1bed14b1a3b3589e7f57135067bbf22ed88113a41bb83787ef1

Aliases

arxiv: 1305.2700 · arxiv_version: 1305.2700v2 · doi: 10.48550/arxiv.1305.2700 · pith_short_12: 2PEZTYHMF2Q3 · pith_short_16: 2PEZTYHMF2Q35UKL · pith_short_8: 2PEZTYHM

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/2PEZTYHMF2Q35UKLDI5TLCPH6V \
  | 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: d3c999e0ec2ea1bed14b1a3b3589e7f57135067bbf22ed88113a41bb83787ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45892fb798f3b98f249595e691f0ce9d66fe12ec8a63779e60c1a25c93e2a89b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-05-13T08:16:16Z",
    "title_canon_sha256": "3959b696bf94af37f7e986652d15703c83eddf3df678cba769a7427dd41e90f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2700",
    "kind": "arxiv",
    "version": 2
  }
}