Pith Number

pith:OCR7JYLX

pith:2018:OCR7JYLXZGPSUEDWSIJNJVODRJ

not attested not anchored not stored refs pending

A supplement to "Induced nets and Hamiltonicity of claw-free graphs"

J. Fujisawa, S. Chiba

arxiv:1803.08839 v1 · 2018-03-23 · 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{OCR7JYLXZGPSUEDWSIJNJVODRJ}

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	2026-05-18T00:20:18.426019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70a3f4e177c99f2a10769212d4d5c38a5a1b49d3af6c4d770f3387e46c543bbe

Aliases

arxiv: 1803.08839 · arxiv_version: 1803.08839v1 · doi: 10.48550/arxiv.1803.08839 · pith_short_12: OCR7JYLXZGPS · pith_short_16: OCR7JYLXZGPSUEDW · pith_short_8: OCR7JYLX

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/OCR7JYLXZGPSUEDWSIJNJVODRJ \
  | 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: 70a3f4e177c99f2a10769212d4d5c38a5a1b49d3af6c4d770f3387e46c543bbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "575006cef1aef64f744a5e76438e1386dd94eb0aae0511155a62c0330da2736c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-23T15:30:25Z",
    "title_canon_sha256": "9f509a27de8725db7103a9d2d6244f1176731770c7d5309d78706b2e5e2a17f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08839",
    "kind": "arxiv",
    "version": 1
  }
}