Pith Number

pith:C2WQULJO

pith:2011:C2WQULJO4WSSITIGV3KADEOIJ5

not attested not anchored not stored refs pending

Cyclic Matching Sequencibility of Graphs

Kathleen P. Kiernan, Michael W. Schroeder, Richard A. Brualdi, Seth A. Meyer

arxiv:1109.6521 v1 · 2011-09-29 · 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{C2WQULJO4WSSITIGV3KADEOIJ5}

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	2026-05-18T04:12:01.397301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16ad0a2d2ee5a5244d06aed40191c84f7bca050e0a21f15e7f42e0cfcc0382e7

Aliases

arxiv: 1109.6521 · arxiv_version: 1109.6521v1 · doi: 10.48550/arxiv.1109.6521 · pith_short_12: C2WQULJO4WSS · pith_short_16: C2WQULJO4WSSITIG · pith_short_8: C2WQULJO

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/C2WQULJO4WSSITIGV3KADEOIJ5 \
  | 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: 16ad0a2d2ee5a5244d06aed40191c84f7bca050e0a21f15e7f42e0cfcc0382e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b682b1b60d5b73b0ff1159a3fa8a59a085b8a068dd058851544da8e54294222",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-09-29T13:20:10Z",
    "title_canon_sha256": "c81110c7fc0cfc05938a00b469990d8b9166db1d7580ce8639df7c6a6ccfd636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6521",
    "kind": "arxiv",
    "version": 1
  }
}