Pith Number

pith:6FQYZYZ2

pith:2015:6FQYZYZ2NNOMTLEZPNRKPP7S3F

not attested not anchored not stored refs pending

Some extremal results on the colorful monochromatic vertex-connectivity of a graph

Di Wu, Qingqiong Cai, Xueliang Li

arxiv:1503.08941 v1 · 2015-03-31 · 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{6FQYZYZ2NNOMTLEZPNRKPP7S3F}

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	2026-05-18T02:19:51.794460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1618ce33a6b5cc9ac997b62a7bff2d94e1bc0db668c7e27a60715726173a44c

Aliases

arxiv: 1503.08941 · arxiv_version: 1503.08941v1 · doi: 10.48550/arxiv.1503.08941 · pith_short_12: 6FQYZYZ2NNOM · pith_short_16: 6FQYZYZ2NNOMTLEZ · pith_short_8: 6FQYZYZ2

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/6FQYZYZ2NNOMTLEZPNRKPP7S3F \
  | 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: f1618ce33a6b5cc9ac997b62a7bff2d94e1bc0db668c7e27a60715726173a44c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bf14875c84598c4ff70980d16872e730067846201ac0ea0260421e7936c9e5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-03-31T07:44:46Z",
    "title_canon_sha256": "8d908a905a569a8048c507950aed5928d4520eccd8361ee56080e25a2dc5b15c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08941",
    "kind": "arxiv",
    "version": 1
  }
}