Pith Number

pith:VHJ236QZ

pith:2017:VHJ236QZJVJZKI5W3AW4VGRHA2

not attested not anchored not stored refs pending

A note on the vertex arboricity of signed graphs

Chen Gong, Lifang Wu, Weichan Liu, Xin Zhang

arxiv:1708.03077 v1 · 2017-08-10 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHJ236QZJVJZKI5W3AW4VGRHA2}

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	2026-05-18T00:38:14.857737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9d3adfa194d539523b6d82dca9a2706a3b5c00ee9df146d91040b73ce90c2e6

Aliases

arxiv: 1708.03077 · arxiv_version: 1708.03077v1 · doi: 10.48550/arxiv.1708.03077 · pith_short_12: VHJ236QZJVJZ · pith_short_16: VHJ236QZJVJZKI5W · pith_short_8: VHJ236QZ

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/VHJ236QZJVJZKI5W3AW4VGRHA2 \
  | 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: a9d3adfa194d539523b6d82dca9a2706a3b5c00ee9df146d91040b73ce90c2e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95cdedd716bc9ef7b8e3b78c4a6b1e37f8e0a2e02bb7056224626ed335c92125",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-08-10T05:30:48Z",
    "title_canon_sha256": "a38311acf182b0289b9a102fde5a4dca51d419d799961aa811b8c2bbd3110049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03077",
    "kind": "arxiv",
    "version": 1
  }
}