Pith Number

pith:ZA6G2LNB

pith:2019:ZA6G2LNBSWRQUSJE4QCTJDXWPR

not attested not anchored not stored refs pending

On the $g$-extra connectivity of graphs

Sun-Yuan Hsieh, Yaping Mao, Zhao Wang

arxiv:1904.06527 v1 · 2019-04-13 · 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{ZA6G2LNBSWRQUSJE4QCTJDXWPR}

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	2026-05-17T23:48:38.946016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c83c6d2da195a30a4924e405348ef67c70bce5f3d680537ac22f75506e44b158

Aliases

arxiv: 1904.06527 · arxiv_version: 1904.06527v1 · doi: 10.48550/arxiv.1904.06527 · pith_short_12: ZA6G2LNBSWRQ · pith_short_16: ZA6G2LNBSWRQUSJE · pith_short_8: ZA6G2LNB

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/ZA6G2LNBSWRQUSJE4QCTJDXWPR \
  | 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: c83c6d2da195a30a4924e405348ef67c70bce5f3d680537ac22f75506e44b158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1866df662d464f4d71cb5deb9799073ab9371731ae9bad61489b330a1b77e92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-04-13T11:14:21Z",
    "title_canon_sha256": "c1499c32d3492f9ba4c5ffa959c847eaa9c17ea28c25b85321b4a81b930b0078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06527",
    "kind": "arxiv",
    "version": 1
  }
}