Pith Number

pith:VMORT7YI

pith:2013:VMORT7YIHLUPXDZSRGRVOHSPD4

not attested not anchored not stored refs pending

Thoughts on Barnette's Conjecture

David R. Wood, Helmut Alt, Jens M. Schmidt, Michael S. Payne

arxiv:1312.3783 v1 · 2013-12-13 · 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{VMORT7YIHLUPXDZSRGRVOHSPD4}

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	2026-05-18T03:04:47.658987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab1d19ff083ae8fb8f3289a3571e4f1f067d276875308dd7d56a089ad87defdf

Aliases

arxiv: 1312.3783 · arxiv_version: 1312.3783v1 · doi: 10.48550/arxiv.1312.3783 · pith_short_12: VMORT7YIHLUP · pith_short_16: VMORT7YIHLUPXDZS · pith_short_8: VMORT7YI

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/VMORT7YIHLUPXDZSRGRVOHSPD4 \
  | 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: ab1d19ff083ae8fb8f3289a3571e4f1f067d276875308dd7d56a089ad87defdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6574c1e5cfe8958c338f094351b8f8c8d09d8358e06cfef84dcf7a10094dbdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-12-13T11:53:29Z",
    "title_canon_sha256": "02ea7711bca38c198baa35244f74f70d0eaf119addade57cc60b63e67d3db86e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3783",
    "kind": "arxiv",
    "version": 1
  }
}