Pith Number

pith:THOBR2QR

pith:2019:THOBR2QRIOFO56FHVZ2RG7THFW

not attested not anchored not stored refs pending

The stable set problem in graphs with bounded genus and bounded odd cycle packing number

Gwena\"el Joret, Michele Conforti, Samuel Fiorin, Stefan Weltge, Tony Huynh

arxiv:1908.06300 v1 · 2019-08-17 · cs.DM · cs.DS · math.CO · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THOBR2QRIOFO56FHVZ2RG7THFW}

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	2026-07-04T23:58:14.411277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99dc18ea11438aeef8a7ae75137e672d8e9a760db1a4cfb19a729a1aa24aa191

Aliases

arxiv: 1908.06300 · arxiv_version: 1908.06300v1 · doi: 10.48550/arxiv.1908.06300 · pith_short_12: THOBR2QRIOFO · pith_short_16: THOBR2QRIOFO56FH · pith_short_8: THOBR2QR

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/THOBR2QRIOFO56FHVZ2RG7THFW \
  | 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: 99dc18ea11438aeef8a7ae75137e672d8e9a760db1a4cfb19a729a1aa24aa191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6deb8dfacc02a0483460be1f92201cdfd2f093814cdb7aa817e312b10ba75a1",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-08-17T13:10:18Z",
    "title_canon_sha256": "83d11a5b08e2707868991bafbbb2cae26b8d9038465b07cdbe6cc65ee057b2a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06300",
    "kind": "arxiv",
    "version": 1
  }
}