Pith Number

pith:4VI474AT

pith:2015:4VI474ATQFRBVD7XRHI6BE276R

not attested not anchored not stored refs pending

Triangulating planar graphs while keeping the pathwidth small

Therese Biedl

arxiv:1505.04235 v1 · 2015-05-16 · cs.DM · 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{4VI474ATQFRBVD7XRHI6BE276R}

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	2026-05-18T02:07:26.023894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e551cff01381621a8ff789d1e0935ff4749644d21d9a64436e0bfe22813f9634

Aliases

arxiv: 1505.04235 · arxiv_version: 1505.04235v1 · doi: 10.48550/arxiv.1505.04235 · pith_short_12: 4VI474ATQFRB · pith_short_16: 4VI474ATQFRBVD7X · pith_short_8: 4VI474AT

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/4VI474ATQFRBVD7XRHI6BE276R \
  | 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: e551cff01381621a8ff789d1e0935ff4749644d21d9a64436e0bfe22813f9634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a8e8cdd623b0189fb9f1437b3ffb1c1d243b8285ff32d8e149d028c3fa83d6e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-05-16T02:36:22Z",
    "title_canon_sha256": "46357ef04568d89801a2c73b50340fe387f01f993c149670702b338ef8d01f71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04235",
    "kind": "arxiv",
    "version": 1
  }
}