Pith Number

pith:NO4HWYIK

pith:2018:NO4HWYIKY4BVORLWGB56R2PAR7

not attested not anchored not stored refs pending

Partitioning a graph into degenerate subgraphs

Carl Feghali, Faisal N. Abu-Khzam, Pinar Heggernes

arxiv:1803.04388 v2 · 2018-03-12 · cs.DM · 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{NO4HWYIKY4BVORLWGB56R2PAR7}

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	2026-07-04T23:52:02.144880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bb87b610ac703574576307be8e9e08fdca86f5285a0add01c111b34e6dc5454

Aliases

arxiv: 1803.04388 · arxiv_version: 1803.04388v2 · doi: 10.48550/arxiv.1803.04388 · pith_short_12: NO4HWYIKY4BV · pith_short_16: NO4HWYIKY4BVORLW · pith_short_8: NO4HWYIK

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/NO4HWYIKY4BVORLWGB56R2PAR7 \
  | 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: 6bb87b610ac703574576307be8e9e08fdca86f5285a0add01c111b34e6dc5454

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05834ca4de6593a4dadf97ad0536ec0d9cb8877a63da64508633913780842030",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-03-12T17:29:28Z",
    "title_canon_sha256": "fd1bcb0ce9abf31ea399ddcf7fbf95650a2e1bb0acc350875bb0559ba4078edc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04388",
    "kind": "arxiv",
    "version": 2
  }
}