Pith Number

pith:NXCAQLTP

pith:2018:NXCAQLTPMY3NQ5P54R4YJOTI3N

not attested not anchored not stored refs pending

On the algorithmic complexity of decomposing graphs into regular/irregular structures

Ali Dehghan, Arash Ahadi, Brett Stevens, Mohammad-Reza Sadeghi

arxiv:1801.08876 v2 · 2018-01-25 · 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{NXCAQLTPMY3NQ5P54R4YJOTI3N}

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	2026-05-18T00:24:59.056956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dc4082e6f6636d875fde47984ba68db4e842832e47f7bb8395a1172b4478eef

Aliases

arxiv: 1801.08876 · arxiv_version: 1801.08876v2 · doi: 10.48550/arxiv.1801.08876 · pith_short_12: NXCAQLTPMY3N · pith_short_16: NXCAQLTPMY3NQ5P5 · pith_short_8: NXCAQLTP

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/NXCAQLTPMY3NQ5P54R4YJOTI3N \
  | 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: 6dc4082e6f6636d875fde47984ba68db4e842832e47f7bb8395a1172b4478eef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b29be810971fa54def88ab58ae6651e5ccce421d35f006838c0d316f4431798e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-01-25T16:26:02Z",
    "title_canon_sha256": "a2efd434e3f1550269da7093b898aab44de30ffc3b385dc62e3a617978ece9fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08876",
    "kind": "arxiv",
    "version": 2
  }
}