Pith Number

pith:EUFQEXRQ

pith:2014:EUFQEXRQC7O5TPV6JVNAO6CKOR

not attested not anchored not stored refs pending

A relaxation of the Bordeaux Conjecture

Gexin Yu, Runrun Liu, Xiangwen Li

arxiv:1407.5138 v3 · 2014-07-19 · 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{EUFQEXRQC7O5TPV6JVNAO6CKOR}

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	2026-05-18T02:19:36.133503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

250b025e3017ddd9bebe4d5a07784a747e6e62bb723b83db6ec0e85e75511989

Aliases

arxiv: 1407.5138 · arxiv_version: 1407.5138v3 · doi: 10.48550/arxiv.1407.5138 · pith_short_12: EUFQEXRQC7O5 · pith_short_16: EUFQEXRQC7O5TPV6 · pith_short_8: EUFQEXRQ

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/EUFQEXRQC7O5TPV6JVNAO6CKOR \
  | 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: 250b025e3017ddd9bebe4d5a07784a747e6e62bb723b83db6ec0e85e75511989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d1233f613373483d0654c4fb071a7910215bb94fc6e5cbe0910b6d1532d2664",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-07-19T00:59:07Z",
    "title_canon_sha256": "731a5218d33b94027a3049c401e2b0d63aa3122524a4f954322dfa8a914fb8a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5138",
    "kind": "arxiv",
    "version": 3
  }
}