Pith Number

pith:WB5NZL7O

pith:2014:WB5NZL7OAVCA55OPBKN3PZP4B4

not attested not anchored not stored refs pending

Hedetniemi's conjecture for Kneser hypergraphs

Fr\'ed\'eric Meunier, Hossein Hajiabolhassan

arxiv:1410.3021 v1 · 2014-10-11 · 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{WB5NZL7OAVCA55OPBKN3PZP4B4}

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	2026-05-18T02:40:17.227297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b07adcafee05440ef5cf0a9bb7e5fc0f0df2dc26f066a6a947fb2408f7903656

Aliases

arxiv: 1410.3021 · arxiv_version: 1410.3021v1 · doi: 10.48550/arxiv.1410.3021 · pith_short_12: WB5NZL7OAVCA · pith_short_16: WB5NZL7OAVCA55OP · pith_short_8: WB5NZL7O

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/WB5NZL7OAVCA55OPBKN3PZP4B4 \
  | 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: b07adcafee05440ef5cf0a9bb7e5fc0f0df2dc26f066a6a947fb2408f7903656

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9f935b8dedec170542d1425d37e02571312d155bda27a0f8588659c461e3407",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-10-11T19:08:07Z",
    "title_canon_sha256": "f9824552ee6b4dfa92631e26f744558755d84716fede062ca70633db061d86c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3021",
    "kind": "arxiv",
    "version": 1
  }
}