Pith Number

pith:L46ZXKSY

pith:2018:L46ZXKSY4V2UV6JRORHORWPCAB

not attested not anchored not stored refs pending

Projective dimension and regularity of edge ideal of some weighted oriented graphs

Guangjun Zhu, Hong Wang, Li Xu, Zhongming Tang

arxiv:1802.06316 v1 · 2018-02-18 · math.AC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L46ZXKSY4V2UV6JRORHORWPCAB}

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	2026-05-18T00:23:03.674790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f3d9baa58e5754af931744ee8d9e20077cbf0b5c51bfe1dc96444081cf94ca5

Aliases

arxiv: 1802.06316 · arxiv_version: 1802.06316v1 · doi: 10.48550/arxiv.1802.06316 · pith_short_12: L46ZXKSY4V2U · pith_short_16: L46ZXKSY4V2UV6JR · pith_short_8: L46ZXKSY

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/L46ZXKSY4V2UV6JRORHORWPCAB \
  | 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: 5f3d9baa58e5754af931744ee8d9e20077cbf0b5c51bfe1dc96444081cf94ca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0bdd25528c8f99058413deabff21f9b2f287707289c5e4b53e1bbbb1eaa1af4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-02-18T01:00:58Z",
    "title_canon_sha256": "3f1deb79467592c86d1744ef2f5ee6912aa0f12021ab7500357a632d9f53dd8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06316",
    "kind": "arxiv",
    "version": 1
  }
}