Pith Number

pith:N4WYSFSU

pith:2018:N4WYSFSULUDDPADC5M46VMUAM3

not attested not anchored not stored refs pending

Extending Drawings of Graphs to Arrangements of Pseudolines

Alan Arroyo, Julien Bensmail, R. Bruce Richter

arxiv:1804.09317 v1 · 2018-04-25 · 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{N4WYSFSULUDDPADC5M46VMUAM3}

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	2026-05-18T00:17:32.143662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f2d8916545d06378062eb39eab28066f8864c1f5bb50ba4a9c404fac73dc325

Aliases

arxiv: 1804.09317 · arxiv_version: 1804.09317v1 · doi: 10.48550/arxiv.1804.09317 · pith_short_12: N4WYSFSULUDD · pith_short_16: N4WYSFSULUDDPADC · pith_short_8: N4WYSFSU

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/N4WYSFSULUDDPADC5M46VMUAM3 \
  | 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: 6f2d8916545d06378062eb39eab28066f8864c1f5bb50ba4a9c404fac73dc325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eb84dbfa24562a9befe73520d24bc5ae3cc8848c489b4af81b24b70c87781d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-25T01:56:01Z",
    "title_canon_sha256": "ba22803a23df3e324bf0a1fa1ea23b2664d0086ee6a08d1c6d561df9706a8fae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09317",
    "kind": "arxiv",
    "version": 1
  }
}