Pith Number

pith:N4SIVA2F

pith:2015:N4SIVA2FGPENM2UXRSAA3KLCNP

not attested not anchored not stored refs pending

Convexities in Some Special Graph Classes ---New Results in AT-free Graphs and Beyond

Hsiang-Hsuan Liu, Hung-Lung Wang, Ton Kloks, Wing-Kai Hon, Yue-Li Wang

arxiv:1509.04944 v1 · 2015-09-16 · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4SIVA2FGPENM2UXRSAA3KLCNP}

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	2026-05-18T01:32:51.293854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f248a834533c8d66a978c800da9626bf07e14ec622e95ccee6577bd2b8198bf

Aliases

arxiv: 1509.04944 · arxiv_version: 1509.04944v1 · doi: 10.48550/arxiv.1509.04944 · pith_short_12: N4SIVA2FGPEN · pith_short_16: N4SIVA2FGPENM2UX · pith_short_8: N4SIVA2F

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/N4SIVA2FGPENM2UXRSAA3KLCNP \
  | 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: 6f248a834533c8d66a978c800da9626bf07e14ec622e95ccee6577bd2b8198bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22d851d6bc3182a10604b4f4f28c9a1cd0a7e0ff315f7beef4a6390552d3f0ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-09-16T15:13:08Z",
    "title_canon_sha256": "8dfdc12e71f7e51834c4d245f7c0300a82eab6960bda8ff66d4763b844f8b754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04944",
    "kind": "arxiv",
    "version": 1
  }
}