Pith Number

pith:WULOEZBS

pith:2016:WULOEZBSYF6UN22JHL7WCGWTYY

not attested not anchored not stored refs pending

On the partial order competition dimensions of chordal graphs

Jihoon Choi, Jung Yeun Lee, Suh-Ryung Kim, Yoshio Sano

arxiv:1601.01188 v2 · 2016-01-06 · 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{WULOEZBSYF6UN22JHL7WCGWTYY}

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	2026-05-18T01:23:11.612042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b516e26432c17d46eb493aff611ad3c63ebe03fb82ecb7e9b99535f6ceab41f8

Aliases

arxiv: 1601.01188 · arxiv_version: 1601.01188v2 · doi: 10.48550/arxiv.1601.01188 · pith_short_12: WULOEZBSYF6U · pith_short_16: WULOEZBSYF6UN22J · pith_short_8: WULOEZBS

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/WULOEZBSYF6UN22JHL7WCGWTYY \
  | 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: b516e26432c17d46eb493aff611ad3c63ebe03fb82ecb7e9b99535f6ceab41f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e06f09d899002cba179db3513a6ad248136fbcf748073a89a6da3a1c3c227906",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-01-06T14:21:39Z",
    "title_canon_sha256": "cd72d3241e0ae1177e192bc65395f34dbcc694efc34ddf9e94b7f1d3810bcac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01188",
    "kind": "arxiv",
    "version": 2
  }
}