Pith Number

pith:B55BS242

pith:2015:B55BS2425M5EJ4P4BWEVNPQ7ZG

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:1505.00204 v2 · 2015-05-01 · 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{B55BS2425M5EJ4P4BWEVNPQ7ZG}

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	2026-05-18T01:23:04.059681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f7a196b9aeb3a44f1fc0d8956be1fc99b573df202fcc6ca736e5f6462944cec

Aliases

arxiv: 1505.00204 · arxiv_version: 1505.00204v2 · doi: 10.48550/arxiv.1505.00204 · pith_short_12: B55BS2425M5E · pith_short_16: B55BS2425M5EJ4P4 · pith_short_8: B55BS242

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/B55BS2425M5EJ4P4BWEVNPQ7ZG \
  | 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: 0f7a196b9aeb3a44f1fc0d8956be1fc99b573df202fcc6ca736e5f6462944cec

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": "2015-05-01T15:43:19Z",
    "title_canon_sha256": "cd72d3241e0ae1177e192bc65395f34dbcc694efc34ddf9e94b7f1d3810bcac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00204",
    "kind": "arxiv",
    "version": 2
  }
}