Pith Number

pith:OM7L4TCZ

pith:2014:OM7L4TCZR2BSNPD6ML77VITRNM

not attested not anchored not stored refs pending

On a Conjecture of Thomassen

Asaf Ferber, Michelle Delcourt

arxiv:1410.4902 v3 · 2014-10-18 · 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{OM7L4TCZR2BSNPD6ML77VITRNM}

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	2026-05-18T01:55:33.441040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

733ebe4c598e8326bc7e62fffaa2716b21d73f9b6492b380670a034883155db6

Aliases

arxiv: 1410.4902 · arxiv_version: 1410.4902v3 · doi: 10.48550/arxiv.1410.4902 · pith_short_12: OM7L4TCZR2BS · pith_short_16: OM7L4TCZR2BSNPD6 · pith_short_8: OM7L4TCZ

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/OM7L4TCZR2BSNPD6ML77VITRNM \
  | 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: 733ebe4c598e8326bc7e62fffaa2716b21d73f9b6492b380670a034883155db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d217e0aea21ab202ad029ea87a803141115bc4d07ed14f6c750a0c779ad4164",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-10-18T03:24:45Z",
    "title_canon_sha256": "b5d7df2c984c01c0936a9d72adab67b6ae0d246e9659a683cc239e7e11110856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4902",
    "kind": "arxiv",
    "version": 3
  }
}