Pith Number

pith:UMOXZXZT

pith:2017:UMOXZXZTMXORCWVUKVCQIJAMWQ

not attested not anchored not stored refs pending

The Bollob\'as-Eldridge-Catlin conjecture for even girth at least $10$

Ross J. Kang, Wouter Cames van Batenburg

arxiv:1703.05149 v1 · 2017-03-15 · 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{UMOXZXZTMXORCWVUKVCQIJAMWQ}

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	2026-05-18T00:48:38.249033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a31d7cdf3365dd115ab4554504240cb41bc8c0055a377e1770ac788446a2f4e7

Aliases

arxiv: 1703.05149 · arxiv_version: 1703.05149v1 · doi: 10.48550/arxiv.1703.05149 · pith_short_12: UMOXZXZTMXOR · pith_short_16: UMOXZXZTMXORCWVU · pith_short_8: UMOXZXZT

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/UMOXZXZTMXORCWVUKVCQIJAMWQ \
  | 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: a31d7cdf3365dd115ab4554504240cb41bc8c0055a377e1770ac788446a2f4e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1baa44313b127a796ab6c3093664d41e0b6fff0a81985e39824b2c4aa1c42d36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-15T13:36:10Z",
    "title_canon_sha256": "f0e3ada3321bb85eded4869d6470e98fa852b6821cef7cba3dcf0807a3317441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05149",
    "kind": "arxiv",
    "version": 1
  }
}