Pith Number

pith:FWLACIIJ

pith:2018:FWLACIIJGILCZDJSTECZSBXGS3

not attested not anchored not stored refs pending

The Star Dichromatic Number

Raphael Steiner, Winfried Hochst\"attler

arxiv:1809.00142 v3 · 2018-09-01 · 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{FWLACIIJGILCZDJSTECZSBXGS3}

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	2026-05-17T23:47:39.828702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d9601210932162c8d3299059906e696f153dd372bc882d7d080e7875a263251

Aliases

arxiv: 1809.00142 · arxiv_version: 1809.00142v3 · doi: 10.48550/arxiv.1809.00142 · pith_short_12: FWLACIIJGILC · pith_short_16: FWLACIIJGILCZDJS · pith_short_8: FWLACIIJ

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/FWLACIIJGILCZDJSTECZSBXGS3 \
  | 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: 2d9601210932162c8d3299059906e696f153dd372bc882d7d080e7875a263251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "019813d8bdd7d6578cfdff1eb297c6167432c29254e1bcc4b8375ae09606f237",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-09-01T09:31:55Z",
    "title_canon_sha256": "fb83091e273489602d71cf77e0672a2c7414cfb81322cad84deaed11fb5f7716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00142",
    "kind": "arxiv",
    "version": 3
  }
}