Pith Number

pith:WV2EEFKB

pith:2018:WV2EEFKBXFC3H3CJP75TY2LFNF

not attested not anchored not stored refs pending

Avoiding conjugacy classes on the 5-letter alphabet

Golnaz Badkobeh, Pascal Ochem

arxiv:1811.08231 v1 · 2018-11-20 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WV2EEFKBXFC3H3CJP75TY2LFNF}

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	2026-05-18T00:00:16.491981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b574421541b945b3ec497ffb3c69656942108421f452671eceb870bb0a1fd2c3

Aliases

arxiv: 1811.08231 · arxiv_version: 1811.08231v1 · doi: 10.48550/arxiv.1811.08231 · pith_short_12: WV2EEFKBXFC3 · pith_short_16: WV2EEFKBXFC3H3CJ · pith_short_8: WV2EEFKB

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/WV2EEFKBXFC3H3CJP75TY2LFNF \
  | 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: b574421541b945b3ec497ffb3c69656942108421f452671eceb870bb0a1fd2c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2776f5c4e014e8d6cbf30ba4e55221a2a8ff4c8c42229435281eef66be24f519",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-11-20T13:06:33Z",
    "title_canon_sha256": "9cb4503f3224adce29efff9a293041b9e58e756169a5cc2b76d1cc884b88e5d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08231",
    "kind": "arxiv",
    "version": 1
  }
}