Pith Number

pith:3MYPVUI7

pith:2019:3MYPVUI7STXDKFCCV7TSQW4RPI

not attested not anchored not stored refs pending

Regularity of powers of edge ideals of vertex-weighted oriented unicyclic graphs

Guangjun Zhu, Hong Wang, Jiaqi Zhang, Li Xu

arxiv:1904.02305 v1 · 2019-04-04 · 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{3MYPVUI7STXDKFCCV7TSQW4RPI}

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	2026-05-17T23:49:23.978809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db30fad11f94ee351442afe7285b917a0147b6265700647f168f7286cd47be86

Aliases

arxiv: 1904.02305 · arxiv_version: 1904.02305v1 · doi: 10.48550/arxiv.1904.02305 · pith_short_12: 3MYPVUI7STXD · pith_short_16: 3MYPVUI7STXDKFCC · pith_short_8: 3MYPVUI7

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/3MYPVUI7STXDKFCCV7TSQW4RPI \
  | 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: db30fad11f94ee351442afe7285b917a0147b6265700647f168f7286cd47be86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "941bc98e49a0d65f4a11d0e47deb121469dd7db3e8b94a705f92297eb704d6d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2019-04-04T02:01:43Z",
    "title_canon_sha256": "8aaca6f1915637e02016bf5c9c0734da02469763d245ea98647ef5cc88bd9187"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02305",
    "kind": "arxiv",
    "version": 1
  }
}