Pith Number

pith:OXZNX6UY

pith:2016:OXZNX6UYRTWHBNGW2VJVGH3VNT

not attested not anchored not stored refs pending

Algorithm on rainbow connection for maximal outerplanar graphs

Guiying Yan, Hengzhe Li, Xingchao Deng

arxiv:1605.01857 v1 · 2016-05-06 · 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{OXZNX6UYRTWHBNGW2VJVGH3VNT}

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	2026-05-18T01:15:31.114828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75f2dbfa988cec70b4d6d553531f756cf959c901d10bb722988acd3f770267e8

Aliases

arxiv: 1605.01857 · arxiv_version: 1605.01857v1 · doi: 10.48550/arxiv.1605.01857 · pith_short_12: OXZNX6UYRTWH · pith_short_16: OXZNX6UYRTWHBNGW · pith_short_8: OXZNX6UY

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/OXZNX6UYRTWHBNGW2VJVGH3VNT \
  | 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: 75f2dbfa988cec70b4d6d553531f756cf959c901d10bb722988acd3f770267e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e76fd751b332eb7e55be080fd28de239a3841a3ddcc91a01378aea9d046692b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-05-06T08:23:11Z",
    "title_canon_sha256": "3567613190b48d0760d2f2aed38862d7ae4a9115c6d60d7c95ba408c36a79842"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01857",
    "kind": "arxiv",
    "version": 1
  }
}