Pith Number

pith:EAX3XU4Y

pith:2013:EAX3XU4YTQU266G5K25OMXJGET

not attested not anchored not stored refs pending

Regularity and projective dimension of edge ideal of $C_5$-free vertex decomposable graphs

Fahimeh Khosh-Ahang, Somayeh Moradi

arxiv:1305.6122 v1 · 2013-05-27 · 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{EAX3XU4YTQU266G5K25OMXJGET}

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	2026-05-18T00:52:24.317386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

202fbbd3989c29af78dd56bae65d2624ccebb9122dc285cc195cf892786259a1

Aliases

arxiv: 1305.6122 · arxiv_version: 1305.6122v1 · doi: 10.48550/arxiv.1305.6122 · pith_short_12: EAX3XU4YTQU2 · pith_short_16: EAX3XU4YTQU266G5 · pith_short_8: EAX3XU4Y

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/EAX3XU4YTQU266G5K25OMXJGET \
  | 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: 202fbbd3989c29af78dd56bae65d2624ccebb9122dc285cc195cf892786259a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf442c9ac1de7e18b82f8c0a38b291abd211d6e179454a9a919431873ebd6e6",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-05-27T06:34:57Z",
    "title_canon_sha256": "d1e5354497faf7181788ce12bf48e7c7f35957310454bdccd07b346f57b36d3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6122",
    "kind": "arxiv",
    "version": 1
  }
}