Pith Number

pith:W5NFS67C

pith:2012:W5NFS67CT3ESH6SMBGJYUHYA4R

not attested not anchored not stored refs pending

Graph sharing games: complexity and connectivity

Jan Kyn\v{c}l, Josef Cibulka, Pavel Valtr, Rudolf Stola\v{r}, Viola M\'esz\'aros

arxiv:1202.0847 v2 · 2012-02-04 · cs.DM · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5NFS67CT3ESH6SMBGJYUHYA4R}

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	2026-05-18T03:16:40.593580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75a597be29ec923fa4c09938a1f00e456c7b21a99c67b24d2862c69aef0ed7f

Aliases

arxiv: 1202.0847 · arxiv_version: 1202.0847v2 · doi: 10.48550/arxiv.1202.0847 · pith_short_12: W5NFS67CT3ES · pith_short_16: W5NFS67CT3ESH6SM · pith_short_8: W5NFS67C

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/W5NFS67CT3ESH6SMBGJYUHYA4R \
  | 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: b75a597be29ec923fa4c09938a1f00e456c7b21a99c67b24d2862c69aef0ed7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e1c0248e0dd8f5bbb622bb764e0136c2ec18207aa769242812742b19838de3e",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-02-04T00:13:38Z",
    "title_canon_sha256": "97a4103fb223f5b87a28d55d59d0e2d98ae5d1df3647f86c0db023322e5cc5e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0847",
    "kind": "arxiv",
    "version": 2
  }
}