Pith Number

pith:J6OPUGOW

pith:2017:J6OPUGOWHDVAUJFYW3S5DRSPOD

not attested not anchored not stored refs pending

A Proof Technique for Skewness of Graphs

Chan L. Lee, Gek L. Chia, Yan Hao Ling

arxiv:1709.06280 v1 · 2017-09-19 · 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{J6OPUGOWHDVAUJFYW3S5DRSPOD}

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	2026-05-18T00:34:53.732900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f9cfa19d638ea0a24b8b6e5d1c64f70f66c22e0c96277cef1e1a54d8cc051b2

Aliases

arxiv: 1709.06280 · arxiv_version: 1709.06280v1 · doi: 10.48550/arxiv.1709.06280 · pith_short_12: J6OPUGOWHDVA · pith_short_16: J6OPUGOWHDVAUJFY · pith_short_8: J6OPUGOW

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/J6OPUGOWHDVAUJFYW3S5DRSPOD \
  | 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: 4f9cfa19d638ea0a24b8b6e5d1c64f70f66c22e0c96277cef1e1a54d8cc051b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff0e053850bc7a5cf8eb9b0ed8c9d9129e52ae1c94738196a47f8d7aa377f98a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-09-19T07:52:23Z",
    "title_canon_sha256": "fe20a002f5f3bed20b48041bc0442cdf38fce6285dfc144ce9521fb2d43b64cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06280",
    "kind": "arxiv",
    "version": 1
  }
}