Pith Number

pith:JAIKUHWY

pith:2016:JAIKUHWYN3I4Z3BTSMRAWSJBIC

not attested not anchored not stored refs pending

$1$-perfectly orientable $K_4$-minor-free and outerplanar graphs

Bo\v{s}tjan Bre\v{s}ar, Martin Milani\v{c}, Tatiana Romina Hartinger, Tim Kos

arxiv:1604.04598 v2 · 2016-04-15 · 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{JAIKUHWYN3I4Z3BTSMRAWSJBIC}

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	2026-05-18T01:16:38.769873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4810aa1ed86ed1ccec3393220b4921408465737e0ff413778fd489ed8a37bd92

Aliases

arxiv: 1604.04598 · arxiv_version: 1604.04598v2 · doi: 10.48550/arxiv.1604.04598 · pith_short_12: JAIKUHWYN3I4 · pith_short_16: JAIKUHWYN3I4Z3BT · pith_short_8: JAIKUHWY

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/JAIKUHWYN3I4Z3BTSMRAWSJBIC \
  | 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: 4810aa1ed86ed1ccec3393220b4921408465737e0ff413778fd489ed8a37bd92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66f6b50f0ed499c0334aeb6a62224618ada0488304fa3d6ccdcccf6277c3bb7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-04-15T18:48:54Z",
    "title_canon_sha256": "a24467a9843a3edb0ca3f9d82dde1265b70fbcf32e5b8183e2b24fbcc7f5f4ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04598",
    "kind": "arxiv",
    "version": 2
  }
}