Pith Number

pith:D2U5QHUY

pith:2011:D2U5QHUYERRCJDUDDXHUXPPWXS

not attested not anchored not stored refs pending

Highly arc-transitive digraphs -- counterexamples and structure

Bojan Mohar, Matt DeVos, Robert \v{S}\'amal

arxiv:1110.2945 v2 · 2011-10-13 · 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{D2U5QHUYERRCJDUDDXHUXPPWXS}

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	2026-05-18T03:10:46.101761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ea9d81e982462248e831dcf4bbdf6bc8e6ba0dbf871a3893179171d6c7d5cff

Aliases

arxiv: 1110.2945 · arxiv_version: 1110.2945v2 · doi: 10.48550/arxiv.1110.2945 · pith_short_12: D2U5QHUYERRC · pith_short_16: D2U5QHUYERRCJDUD · pith_short_8: D2U5QHUY

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/D2U5QHUYERRCJDUDDXHUXPPWXS \
  | 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: 1ea9d81e982462248e831dcf4bbdf6bc8e6ba0dbf871a3893179171d6c7d5cff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5674c46718d85909659fdefd076b71891c1aca62ae7292fa0bcc22c1d6375f11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-10-13T13:56:40Z",
    "title_canon_sha256": "b15fa0d6f6d6230e6e7b1547a0bcf128145b8d3dc51dba94c88818e09cb25b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2945",
    "kind": "arxiv",
    "version": 2
  }
}