Pith Number

pith:GQONWWAI

pith:2014:GQONWWAIIUHPLJ3QFHWBZTHJAO

not attested not anchored not stored refs pending

On-line coloring between two lines

Piotr Micek, Stefan Felsner, Torsten Ueckerdt

arxiv:1411.0402 v2 · 2014-11-03 · math.CO · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQONWWAIIUHPLJ3QFHWBZTHJAO}

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	2026-05-18T02:02:08.163413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

341cdb5808450ef5a77029ec1ccce903a69287fcbc76464d3e59412eed66abc2

Aliases

arxiv: 1411.0402 · arxiv_version: 1411.0402v2 · doi: 10.48550/arxiv.1411.0402 · pith_short_12: GQONWWAIIUHP · pith_short_16: GQONWWAIIUHPLJ3Q · pith_short_8: GQONWWAI

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/GQONWWAIIUHPLJ3QFHWBZTHJAO \
  | 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: 341cdb5808450ef5a77029ec1ccce903a69287fcbc76464d3e59412eed66abc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cec32e371170fa9ba034cf56922832bc3eedb402d8163cb206f275426bd6646a",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-11-03T09:12:21Z",
    "title_canon_sha256": "4aab52adad2b3091a7ba33fca1e1c58642f30988d903a14c476ff02c9f5fe389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0402",
    "kind": "arxiv",
    "version": 2
  }
}