Pith Number

pith:4D3A7NL4

pith:2019:4D3A7NL4YCKPUYTJ5TI54K3W7V

not attested not anchored not stored refs pending

Generalised Barred Preferential Arrangements

B\'eata B\'enyi, Sithembele Nkonkobe, Venkat Murali

arxiv:1907.08944 v1 · 2019-07-21 · 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{4D3A7NL4YCKPUYTJ5TI54K3W7V}

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	2026-05-17T23:40:02.645627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0f60fb57cc094fa6269ecd1de2b76fd44a18bc12c7c4665b2e272f2bac2a635

Aliases

arxiv: 1907.08944 · arxiv_version: 1907.08944v1 · doi: 10.48550/arxiv.1907.08944 · pith_short_12: 4D3A7NL4YCKP · pith_short_16: 4D3A7NL4YCKPUYTJ · pith_short_8: 4D3A7NL4

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/4D3A7NL4YCKPUYTJ5TI54K3W7V \
  | 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: e0f60fb57cc094fa6269ecd1de2b76fd44a18bc12c7c4665b2e272f2bac2a635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c9f6697bfe31ddd739ed0d8d0eceb6f7f505358980d30781077cac02f0ba7e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-07-21T09:39:03Z",
    "title_canon_sha256": "b4e2d23f1d8d8c8cf4c84a2a239087fa3f7e4557569154811571771bd1e9bb88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08944",
    "kind": "arxiv",
    "version": 1
  }
}