Pith Number

pith:CSFQBWCX

pith:2017:CSFQBWCXZCKX2MDIO6EOZMA2QP

not attested not anchored not stored refs pending

List colouring of graphs and generalized Dyck paths

Rongxing Xu, Xuding Zhu, Yeong-Nan Yeh

arxiv:1711.02852 v1 · 2017-11-08 · 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{CSFQBWCXZCKX2MDIO6EOZMA2QP}

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	2026-05-18T00:31:01.523723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

148b00d857c8957d30687788ecb01a83ccc45ebf2eacd09fc97d3564e2b2d650

Aliases

arxiv: 1711.02852 · arxiv_version: 1711.02852v1 · doi: 10.48550/arxiv.1711.02852 · pith_short_12: CSFQBWCXZCKX · pith_short_16: CSFQBWCXZCKX2MDI · pith_short_8: CSFQBWCX

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/CSFQBWCXZCKX2MDIO6EOZMA2QP \
  | 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: 148b00d857c8957d30687788ecb01a83ccc45ebf2eacd09fc97d3564e2b2d650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2aa98b1a1605d23780fecfdc0c113c8ee26b07dbee6da594db484ef64c01fed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-08T07:31:02Z",
    "title_canon_sha256": "68d99134c36a510792b5b76c611d6771e57ffe9d27e9d2121ef35ad7ef4d4e7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02852",
    "kind": "arxiv",
    "version": 1
  }
}