Pith Number

pith:OITDMNCQ

pith:2018:OITDMNCQC5EBBDKKB6STUPIWY4

not attested not anchored not stored refs pending

Polynomial Kernels for Hitting Forbidden Minors under Structural Parameterizations

Astrid Pieterse, Bart M. P. Jansen

arxiv:1804.08885 v1 · 2018-04-24 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OITDMNCQC5EBBDKKB6STUPIWY4}

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	2026-05-18T00:17:37.001986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72263634501748108d4a0fa53a3d16c7034db93b6f7bda45d67f7fbe26c83c2d

Aliases

arxiv: 1804.08885 · arxiv_version: 1804.08885v1 · doi: 10.48550/arxiv.1804.08885 · pith_short_12: OITDMNCQC5EB · pith_short_16: OITDMNCQC5EBBDKK · pith_short_8: OITDMNCQ

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/OITDMNCQC5EBBDKKB6STUPIWY4 \
  | 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: 72263634501748108d4a0fa53a3d16c7034db93b6f7bda45d67f7fbe26c83c2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "735d458594caf453fe16a70e1f131e12109f30ce3ab7c28579f8cde34d435bc1",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-04-24T08:08:10Z",
    "title_canon_sha256": "455b2e15ff6ba22790df5eda17069fb4ac5bb140c63f885c1ed5d294c16e288a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08885",
    "kind": "arxiv",
    "version": 1
  }
}