Pith Number

pith:PWPXNPMQ

pith:2014:PWPXNPMQJJMVVWMQ3ICH7RUJWA

not attested not anchored not stored refs pending

Deciding the Bell number for hereditary graph properties

Aistis Atminas, Andrew Collins, Jan Foniok, Vadim V. Lozin

arxiv:1405.3118 v3 · 2014-05-13 · 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{PWPXNPMQJJMVVWMQ3ICH7RUJWA}

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	2026-05-18T01:09:38.144455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9f76bd904a595ad990da047fc689b02334d00b2615c0f6a2c97e18dea4c8c2

Aliases

arxiv: 1405.3118 · arxiv_version: 1405.3118v3 · doi: 10.48550/arxiv.1405.3118 · pith_short_12: PWPXNPMQJJMV · pith_short_16: PWPXNPMQJJMVVWMQ · pith_short_8: PWPXNPMQ

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/PWPXNPMQJJMVVWMQ3ICH7RUJWA \
  | 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: 7d9f76bd904a595ad990da047fc689b02334d00b2615c0f6a2c97e18dea4c8c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b38515ede16bda4778a1ac04ce3bacb8e8da91768d8d49ae088b9b82f6bf1c98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-05-13T11:56:05Z",
    "title_canon_sha256": "eaac80bc7613e95517c91fbd0c73a0d02a62f435994db5d0fad76ba9fe655f2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3118",
    "kind": "arxiv",
    "version": 3
  }
}