Pith Number

pith:YTNXBAFJ

pith:2011:YTNXBAFJZRTFHWORUU5GZJ7FB6

not attested not anchored not stored refs pending

Fire Containment in Planar Graphs

F\'elix Sipma, Fr\'ed\'eric Maffray, Jan van den Heuvel, Louis Esperet

arxiv:1102.3016 v4 · 2011-02-15 · 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{YTNXBAFJZRTFHWORUU5GZJ7FB6}

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	2026-05-18T03:25:35.333000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4db7080a9cc6653d9d1a53a6ca7e50f8eeea9e96db88f8cdc3f1b5e7a011376

Aliases

arxiv: 1102.3016 · arxiv_version: 1102.3016v4 · doi: 10.48550/arxiv.1102.3016 · pith_short_12: YTNXBAFJZRTF · pith_short_16: YTNXBAFJZRTFHWOR · pith_short_8: YTNXBAFJ

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/YTNXBAFJZRTFHWORUU5GZJ7FB6 \
  | 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: c4db7080a9cc6653d9d1a53a6ca7e50f8eeea9e96db88f8cdc3f1b5e7a011376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8058598c48ce5021b3eec1af18aa50f52c7c69aebcb7d4a1ceaad8d857e233d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-02-15T09:55:38Z",
    "title_canon_sha256": "50d4e0f386945c347e5f9ac81fe5cc0cb793d8c1af09ae907638f9f39b82abc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3016",
    "kind": "arxiv",
    "version": 4
  }
}