Pith Number

pith:ZCGE7SHG

pith:2019:ZCGE7SHGB3FR34BDPFNK4QIQ5E

not attested not anchored not stored refs pending

Queue Layouts of Graphs with Bounded Degree and Bounded Genus

David R. Wood, Pat Morin, Vida Dujmovi\'c

arxiv:1901.05594 v2 · 2019-01-17 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCGE7SHGB3FR34BDPFNK4QIQ5E}

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	2026-05-17T23:44:42.650492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c88c4fc8e60ecb1df023795aae4110e9398e3e7dde5d83f8df8eea9471befdc7

Aliases

arxiv: 1901.05594 · arxiv_version: 1901.05594v2 · doi: 10.48550/arxiv.1901.05594 · pith_short_12: ZCGE7SHGB3FR · pith_short_16: ZCGE7SHGB3FR34BD · pith_short_8: ZCGE7SHG

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/ZCGE7SHGB3FR34BDPFNK4QIQ5E \
  | 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: c88c4fc8e60ecb1df023795aae4110e9398e3e7dde5d83f8df8eea9471befdc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bc5753852eaf13fb9d35beced4ee4fb1082f0351ef96d6bd44552aada6b484f",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-17T02:49:30Z",
    "title_canon_sha256": "d07bbb1209bdc77cd368641aa74d606b767c71fc013ad57b70daf577967f362e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05594",
    "kind": "arxiv",
    "version": 2
  }
}