Pith Number

pith:MXO5ZIKH

pith:2013:MXO5ZIKHBZZ4Y3SXQYMJHDFZSO

not attested not anchored not stored refs pending

Graphs whose indecomposability graph is 2-covered

Imed Boudabbous, Rim Ben Hamadou

arxiv:1308.3074 v1 · 2013-08-14 · 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{MXO5ZIKHBZZ4Y3SXQYMJHDFZSO}

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	2026-05-18T03:15:56.729903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65dddca1470e73cc6e578618938cb993965df609ac0e90ad87d3ac4ed08222c4

Aliases

arxiv: 1308.3074 · arxiv_version: 1308.3074v1 · doi: 10.48550/arxiv.1308.3074 · pith_short_12: MXO5ZIKHBZZ4 · pith_short_16: MXO5ZIKHBZZ4Y3SX · pith_short_8: MXO5ZIKH

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/MXO5ZIKHBZZ4Y3SXQYMJHDFZSO \
  | 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: 65dddca1470e73cc6e578618938cb993965df609ac0e90ad87d3ac4ed08222c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f231cfced9c8c7a1614500f58d6f04c10dab5569137b2ed5116477fc37d7f3b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-14T09:51:16Z",
    "title_canon_sha256": "e74f33b321d4c462d135cfd736751028ca313c4ca05878de6f27dab0018b5b6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3074",
    "kind": "arxiv",
    "version": 1
  }
}