Pith Number

pith:RWGTGDEG

pith:2013:RWGTGDEGJGP26HQBNNRMUHFFOO

not attested not anchored not stored refs pending

Lower bounds on the maximum number of non-crossing acyclic graphs

Anna de Mier, Clemens Huemer

arxiv:1310.5882 v1 · 2013-10-22 · 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{RWGTGDEGJGP26HQBNNRMUHFFOO}

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	2026-05-18T03:09:24.345776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d8d330c86499faf1e016b62ca1ca573a098a42a16affa7c9792ec32be7c6ffd

Aliases

arxiv: 1310.5882 · arxiv_version: 1310.5882v1 · doi: 10.48550/arxiv.1310.5882 · pith_short_12: RWGTGDEGJGP2 · pith_short_16: RWGTGDEGJGP26HQB · pith_short_8: RWGTGDEG

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/RWGTGDEGJGP26HQBNNRMUHFFOO \
  | 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: 8d8d330c86499faf1e016b62ca1ca573a098a42a16affa7c9792ec32be7c6ffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "476b1de5c5d1374964af7f0493983b4149c8990f81fecdcd6cfd627a70878984",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-10-22T11:27:10Z",
    "title_canon_sha256": "6ac66dd7bed46f4d02df914c4d37eef8eaac488eb981c85ef5fa43e5d8b91a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5882",
    "kind": "arxiv",
    "version": 1
  }
}