Pith Number

pith:RCFDH7FQ

pith:2009:RCFDH7FQ4XQKBCQV65BB3JMGEQ

not attested not anchored not stored refs pending

Hamilton l-cycles in uniform hypergraphs

Daniela K\"uhn, Deryk Osthus, Richard Mycroft

arxiv:0903.2867 v3 · 2009-03-16 · 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{RCFDH7FQ4XQKBCQV65BB3JMGEQ}

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	2026-05-18T03:15:58.048116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

888a33fcb0e5e0a08a15f7421da58624331c2322ea9f2dbda8af0349378abb93

Aliases

arxiv: 0903.2867 · arxiv_version: 0903.2867v3 · doi: 10.48550/arxiv.0903.2867 · pith_short_12: RCFDH7FQ4XQK · pith_short_16: RCFDH7FQ4XQKBCQV · pith_short_8: RCFDH7FQ

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/RCFDH7FQ4XQKBCQV65BB3JMGEQ \
  | 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: 888a33fcb0e5e0a08a15f7421da58624331c2322ea9f2dbda8af0349378abb93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb059bfced579c600396ef245e3947a06855f9811f427f456fcbe62ea3f77148",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-03-16T22:30:24Z",
    "title_canon_sha256": "1f99ea69dc8ec1c28499a41af3a38723b39383dd7f78aa63c8ed669ec5e8fd69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2867",
    "kind": "arxiv",
    "version": 3
  }
}