Pith Number

pith:VT5XJOUL

pith:2013:VT5XJOULNDR3R7S5QAUJMAICIK

not attested not anchored not stored refs pending

The transition matroid of a 4-regular graph: an introduction

Lorenzo Traldi

arxiv:1307.8097 v7 · 2013-07-30 · 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{VT5XJOULNDR3R7S5QAUJMAICIK}

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	2026-05-18T01:37:37.973840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acfb74ba8b68e3b8fe5d8028960102428297a35d6b922b084113a4ff8f75c189

Aliases

arxiv: 1307.8097 · arxiv_version: 1307.8097v7 · doi: 10.48550/arxiv.1307.8097 · pith_short_12: VT5XJOULNDR3 · pith_short_16: VT5XJOULNDR3R7S5 · pith_short_8: VT5XJOUL

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/VT5XJOULNDR3R7S5QAUJMAICIK \
  | 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: acfb74ba8b68e3b8fe5d8028960102428297a35d6b922b084113a4ff8f75c189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adf098949678d3c756cf00f2fc163d29a3052b9b3bd94172d0317853adc6c403",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-07-30T19:32:57Z",
    "title_canon_sha256": "1a6d127a87c0410e3523cbb3899caf2b15b76b8398af47993419fc67507c6089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8097",
    "kind": "arxiv",
    "version": 7
  }
}