Pith Number

pith:VNY4SDUE

pith:2018:VNY4SDUEH3SPFTJSTD7A7MHSO2

not attested not anchored not stored refs pending

New Perspectives on Neighborhood-Prime Labelings of Graphs

Arran Hamm, John Asplund, N. Bradley Fox

arxiv:1804.02473 v1 · 2018-04-06 · 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{VNY4SDUEH3SPFTJSTD7A7MHSO2}

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	2026-05-18T00:18:59.375545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab71c90e843ee4f2cd3298fe0fb0f2769e7c90392584e069532ef9c4994459a1

Aliases

arxiv: 1804.02473 · arxiv_version: 1804.02473v1 · doi: 10.48550/arxiv.1804.02473 · pith_short_12: VNY4SDUEH3SP · pith_short_16: VNY4SDUEH3SPFTJS · pith_short_8: VNY4SDUE

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/VNY4SDUEH3SPFTJSTD7A7MHSO2 \
  | 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: ab71c90e843ee4f2cd3298fe0fb0f2769e7c90392584e069532ef9c4994459a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "998a585e11385afda183830a25802baab4af005dc56fe1197befcd585f3487c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-06T22:15:27Z",
    "title_canon_sha256": "669bf87b759c042fa4e7cdfa7d7472045ec4a3d334c520c2401c9a0a63ee7e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02473",
    "kind": "arxiv",
    "version": 1
  }
}