Pith Number

pith:5IYQSAZC

pith:2013:5IYQSAZCAFPB224DDAKJDTG2EB

not attested not anchored not stored refs pending

A Note On Edge Connectivity and Parity Factor

Hongliang Lu

arxiv:1301.7565 v1 · 2013-01-31 · 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{5IYQSAZCAFPB224DDAKJDTG2EB}

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	2026-05-18T03:34:49.217604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea31090322015e1d6b83181491ccda207dc1ee90ddc016c4253bbfca8149b8bf

Aliases

arxiv: 1301.7565 · arxiv_version: 1301.7565v1 · doi: 10.48550/arxiv.1301.7565 · pith_short_12: 5IYQSAZCAFPB · pith_short_16: 5IYQSAZCAFPB224D · pith_short_8: 5IYQSAZC

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/5IYQSAZCAFPB224DDAKJDTG2EB \
  | 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: ea31090322015e1d6b83181491ccda207dc1ee90ddc016c4253bbfca8149b8bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df3905a1dd31dd1a4bf162139eaa55b45f43055bc838f53b0c250094c773770a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-01-31T09:53:25Z",
    "title_canon_sha256": "0b35eca578dcd49148246a13de10832570dae173ba9b8594e50ad2aa2e0c4d6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7565",
    "kind": "arxiv",
    "version": 1
  }
}