Pith Number

pith:KFSIOWVC

pith:2017:KFSIOWVCJBYZRJ3VJS4XNFAVVO

not attested not anchored not stored refs pending

Relation between the skew-rank of an oriented graph and the independence number of its underlying graph

H. Wang, J. Huang, S.C. Li

arxiv:1704.06867 v1 · 2017-04-23 · 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{KFSIOWVCJBYZRJ3VJS4XNFAVVO}

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	2026-05-18T00:45:55.522539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5164875aa2487198a7754cb9769415ab83597e97c24d6d8b5364dc1aff3f03ce

Aliases

arxiv: 1704.06867 · arxiv_version: 1704.06867v1 · doi: 10.48550/arxiv.1704.06867 · pith_short_12: KFSIOWVCJBYZ · pith_short_16: KFSIOWVCJBYZRJ3V · pith_short_8: KFSIOWVC

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/KFSIOWVCJBYZRJ3VJS4XNFAVVO \
  | 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: 5164875aa2487198a7754cb9769415ab83597e97c24d6d8b5364dc1aff3f03ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60ea1a0083f64e3efe39d88576844b7d3bb9f4955382dda3217a9f97bab54a07",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-23T00:59:49Z",
    "title_canon_sha256": "1cc748eb9beaaa79479ed6b0e21b2c146dd927b2e3faefb1ad35672261360d86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06867",
    "kind": "arxiv",
    "version": 1
  }
}