Pith Number

pith:IG3UIHIZ

pith:2012:IG3UIHIZM3RHCLY6TO35G4O6TW

not attested not anchored not stored refs pending

GI-graphs and their groups

Arjana \v{Z}itnik, Marston D. E. Conder, Toma\v{z} Pisanski

arxiv:1207.2752 v1 · 2012-07-11 · 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{IG3UIHIZM3RHCLY6TO35G4O6TW}

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	2026-05-18T03:51:14.613705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b7441d1966e2712f1e9bb7d371de9dabf070caadfae908a9e0f93a58b574fc

Aliases

arxiv: 1207.2752 · arxiv_version: 1207.2752v1 · doi: 10.48550/arxiv.1207.2752 · pith_short_12: IG3UIHIZM3RH · pith_short_16: IG3UIHIZM3RHCLY6 · pith_short_8: IG3UIHIZ

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/IG3UIHIZM3RHCLY6TO35G4O6TW \
  | 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: 41b7441d1966e2712f1e9bb7d371de9dabf070caadfae908a9e0f93a58b574fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc38e2301f0faab2230cc87f588712ca965d4b09f8a9f7d1c4afa9dcc3014fa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-07-11T19:31:29Z",
    "title_canon_sha256": "2d507daed6e877a79721bec5daddef099bed365f9d1f5d0e3dff096311fc1edf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2752",
    "kind": "arxiv",
    "version": 1
  }
}