Pith Number

pith:5MFLLEJC

pith:2018:5MFLLEJC2ZJI4PTH32XM44YLXL

not attested not anchored not stored refs pending

Vertically constrained Motzkin-like paths inspired by bobbin lace

Frank Ruskey, Stephen Melczer, Veronika Irvine

arxiv:1804.08725 v2 · 2018-04-23 · 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{5MFLLEJC2ZJI4PTH32XM44YLXL}

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	2026-05-17T23:48:40.560978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb0ab59122d6528e3e67deaece730bbad880a582ba9fd3afd458abc78483302a

Aliases

arxiv: 1804.08725 · arxiv_version: 1804.08725v2 · doi: 10.48550/arxiv.1804.08725 · pith_short_12: 5MFLLEJC2ZJI · pith_short_16: 5MFLLEJC2ZJI4PTH · pith_short_8: 5MFLLEJC

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/5MFLLEJC2ZJI4PTH32XM44YLXL \
  | 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: eb0ab59122d6528e3e67deaece730bbad880a582ba9fd3afd458abc78483302a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2531b9497da394997a505891f929e17641a50d55bbaef8ec43a6512ed15e4e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-23T20:30:09Z",
    "title_canon_sha256": "4bd9e6f8bb0f82ea6d8e58c1e6c36dbe9010c979f6522f8ed7c299cdd7b9fca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08725",
    "kind": "arxiv",
    "version": 2
  }
}