Pith Number

pith:KRMWLSJT

pith:2008:KRMWLSJTKIHJGMN4VUTIU2ZL57

not attested not anchored not stored refs pending

Edge ideals of clique clutters of comparability graphs and the normality of monomial ideals

Luis A. Dupont, Rafael H Villarreal

arxiv:0802.3375 v2 · 2008-02-22 · math.AC · 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{KRMWLSJTKIHJGMN4VUTIU2ZL57}

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	2026-05-18T04:25:11.746756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

545965c933520e9331bcad268a6b2befdb9e0b0d570b792dbbd4bdef1ff995e1

Aliases

arxiv: 0802.3375 · arxiv_version: 0802.3375v2 · doi: 10.48550/arxiv.0802.3375 · pith_short_12: KRMWLSJTKIHJ · pith_short_16: KRMWLSJTKIHJGMN4 · pith_short_8: KRMWLSJT

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/KRMWLSJTKIHJGMN4VUTIU2ZL57 \
  | 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: 545965c933520e9331bcad268a6b2befdb9e0b0d570b792dbbd4bdef1ff995e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff1f8acbff083e956f41cbef529a9af77f883dbed470b0ad56e66b81ac20fbaf",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2008-02-22T19:48:24Z",
    "title_canon_sha256": "2c64401828e4c841ccc59167d71de22dbeec9feaa61987a140bdc000a4576753"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.3375",
    "kind": "arxiv",
    "version": 2
  }
}