Pith Number

pith:G5WFMRXI

pith:2019:G5WFMRXIARQ6UB2ZJMGYTELCTA

not attested not anchored not stored refs pending

Conjecture of Wilf: a survey

Manuel Delgado

arxiv:1902.03461 v1 · 2019-02-09 · 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{G5WFMRXIARQ6UB2ZJMGYTELCTA}

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	2026-05-17T23:54:20.755096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

376c5646e80461ea07594b0d899162982cadb37ce80c4708a9e63ddbf66302a1

Aliases

arxiv: 1902.03461 · arxiv_version: 1902.03461v1 · doi: 10.48550/arxiv.1902.03461 · pith_short_12: G5WFMRXIARQ6 · pith_short_16: G5WFMRXIARQ6UB2Z · pith_short_8: G5WFMRXI

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/G5WFMRXIARQ6UB2ZJMGYTELCTA \
  | 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: 376c5646e80461ea07594b0d899162982cadb37ce80c4708a9e63ddbf66302a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d89a96b8cbf91cd769d8187ebaa8fdc9b423a37108d0696b5d61b2c922e10eb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-02-09T18:01:02Z",
    "title_canon_sha256": "e648539504cca46f1b014e0ef9762b660534797eed8d9a1b719ab33d37114b14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03461",
    "kind": "arxiv",
    "version": 1
  }
}