Pith Number

pith:WHZWYULW

pith:2026:WHZWYULWYYLA244XYXVXFL3GJH

not attested not anchored not stored refs pending

Local Certification of Vertex and Edge Connectivity

Meng-Tsung Tsai, Yi-Jun Chang, Yi-Xuan Lee

arxiv:2607.13677 v1 · 2026-07-15 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHZWYULWYYLA244XYXVXFL3GJH}

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	2026-07-16T01:23:00.279751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1f36c5176c6160d7397c5eb72af6649c872467cccfa99be44473b256602e6f8

Aliases

arxiv: 2607.13677 · arxiv_version: 2607.13677v1 · doi: 10.48550/arxiv.2607.13677 · pith_short_12: WHZWYULWYYLA · pith_short_16: WHZWYULWYYLA244X · pith_short_8: WHZWYULW

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/WHZWYULWYYLA244XYXVXFL3GJH \
  | 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: b1f36c5176c6160d7397c5eb72af6649c872467cccfa99be44473b256602e6f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24069c3a43c82d2a26f863920a3bdc35da6b77fd27cd1111153035260d8656b3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-07-15T10:18:36Z",
    "title_canon_sha256": "8a09eb2a14c67b79ddb16339d20ca96345076bf023e3950d45a251eee99d188a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13677",
    "kind": "arxiv",
    "version": 1
  }
}