Pith Number

pith:DFCXSW6D

pith:2018:DFCXSW6DNFP5JMHK46FL5ZWGJE

not attested not anchored not stored refs pending

A generalization of Noel-Reed-Wu Theorem to signed graphs

Jianguo Qian, Wei Wang

arxiv:1810.09741 v1 · 2018-10-23 · 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{DFCXSW6DNFP5JMHK46FL5ZWGJE}

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	2026-05-18T00:02:29.552717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1945795bc3695fd4b0eae78abee6c649342da74ce1cf52f443de44bff0e93326

Aliases

arxiv: 1810.09741 · arxiv_version: 1810.09741v1 · doi: 10.48550/arxiv.1810.09741 · pith_short_12: DFCXSW6DNFP5 · pith_short_16: DFCXSW6DNFP5JMHK · pith_short_8: DFCXSW6D

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/DFCXSW6DNFP5JMHK46FL5ZWGJE \
  | 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: 1945795bc3695fd4b0eae78abee6c649342da74ce1cf52f443de44bff0e93326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbf56162703e8607fcb15d3fe1bd9e92535d291fc463dcad63b2c0597bf26835",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-10-23T09:38:46Z",
    "title_canon_sha256": "1273b37efaa59cc2c906cee208d7d0dd4cdaea1a2d53353e65c5be99641df481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09741",
    "kind": "arxiv",
    "version": 1
  }
}