Pith Number

pith:GXJWPZDM

pith:2013:GXJWPZDMLBVTB5WEGSAO47LUKL

not attested not anchored not stored refs pending

Vertex Disjoint Path in Upward Planar Graphs

Ali Golshani, Saeed Amiri, Sebastian Siebertz, Stephan Kreutzer

arxiv:1312.1526 v1 · 2013-12-05 · cs.CC · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXJWPZDMLBVTB5WEGSAO47LUKL}

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	2026-05-18T03:05:27.007010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35d367e46c586b30f6c43480ee7d7452d8c71140b3eb14007e4e4c2c136fbc9d

Aliases

arxiv: 1312.1526 · arxiv_version: 1312.1526v1 · doi: 10.48550/arxiv.1312.1526 · pith_short_12: GXJWPZDMLBVT · pith_short_16: GXJWPZDMLBVTB5WE · pith_short_8: GXJWPZDM

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/GXJWPZDMLBVTB5WEGSAO47LUKL \
  | 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: 35d367e46c586b30f6c43480ee7d7452d8c71140b3eb14007e4e4c2c136fbc9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f27b756e66d4c93de05c30300213b232375a332cef768049d66fb17fc93610ec",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-12-05T12:47:28Z",
    "title_canon_sha256": "e322d08ea1a20e5558644c319af8fd9974917fd1c6aba7fc6eedaa1f0c438843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1526",
    "kind": "arxiv",
    "version": 1
  }
}