Pith Number

pith:XFLD4P7V

pith:2018:XFLD4P7VSIFIXHGOTYTXPS2JJI

not attested not anchored not stored refs pending

Modular Decomposition of Graphs and the Distance Preserving Property

Emad Zahedi, Jason P. Smith

arxiv:1805.09853 v1 · 2018-05-24 · 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{XFLD4P7VSIFIXHGOTYTXPS2JJI}

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	2026-05-18T00:14:58.925726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9563e3ff5920a8b9cce9e2777cb494a3e6bfd35a73359545ffb07ff175166ce

Aliases

arxiv: 1805.09853 · arxiv_version: 1805.09853v1 · doi: 10.48550/arxiv.1805.09853 · pith_short_12: XFLD4P7VSIFI · pith_short_16: XFLD4P7VSIFIXHGO · pith_short_8: XFLD4P7V

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/XFLD4P7VSIFIXHGOTYTXPS2JJI \
  | 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: b9563e3ff5920a8b9cce9e2777cb494a3e6bfd35a73359545ffb07ff175166ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "032f7ce9daf42de3d38ef2689ef565737a43a68f40524ee449444d1918f6523e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-05-24T19:02:01Z",
    "title_canon_sha256": "7624a6125b45d044b2120b4015403e8cd1600cd43fa507c5bb7b228a5e3d8b65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09853",
    "kind": "arxiv",
    "version": 1
  }
}