Pith Number

pith:P4ATJZW7

pith:2022:P4ATJZW7JDNTWIPADWNCO5X5P6

not attested not anchored not stored refs pending

Kernelization for Feedback Vertex Set via Elimination Distance to a Forest

Bart M. P. Jansen, David Dekker

arxiv:2206.04387 v1 · 2022-06-09 · 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{P4ATJZW7JDNTWIPADWNCO5X5P6}

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.

Cited by

1 paper in Pith

Excluding a rectangular grid

Receipt and verification

First computed	2026-07-05T04:30:26.429405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f0134e6df48db3b21e01d9a2776fd7fb2ab6e22f514b4e5ab669cf35318e83d

Aliases

arxiv: 2206.04387 · arxiv_version: 2206.04387v1 · doi: 10.48550/arxiv.2206.04387 · pith_short_12: P4ATJZW7JDNT · pith_short_16: P4ATJZW7JDNTWIPA · pith_short_8: P4ATJZW7

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/P4ATJZW7JDNTWIPADWNCO5X5P6 \
  | 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: 7f0134e6df48db3b21e01d9a2776fd7fb2ab6e22f514b4e5ab669cf35318e83d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83055b00b9ff1d8c35d380a445946568fcae9177650ff0024394c6e7d6311156",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-06-09T09:57:45Z",
    "title_canon_sha256": "55a52a1aacac751fed689d87b3ec9d6e29fe8d9d05084eed5148662381571e21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.04387",
    "kind": "arxiv",
    "version": 1
  }
}