Pith Number

pith:ACOLMLAS

pith:2019:ACOLMLASMNBBS7BV6JV6WUTHC3

not attested not anchored not stored refs pending

Elimination Distances, Blocking Sets, and Kernels for Vertex Cover

Astrid Pieterse, Eva-Maria C. Hols, Stefan Kratsch

arxiv:1905.03631 v1 · 2019-05-09 · 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{ACOLMLASMNBBS7BV6JV6WUTHC3}

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	2026-05-17T23:46:37.139956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

009cb62c126342197c35f26beb526716cff9e1b7d640ca42805afb6ddca65d0c

Aliases

arxiv: 1905.03631 · arxiv_version: 1905.03631v1 · doi: 10.48550/arxiv.1905.03631 · pith_short_12: ACOLMLASMNBB · pith_short_16: ACOLMLASMNBBS7BV · pith_short_8: ACOLMLAS

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/ACOLMLASMNBBS7BV6JV6WUTHC3 \
  | 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: 009cb62c126342197c35f26beb526716cff9e1b7d640ca42805afb6ddca65d0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ab2f930d05a61dbf2b68dd9f0cebdd88c15f02be5c5302f7ec7647ef1356ba2",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-05-09T13:47:17Z",
    "title_canon_sha256": "9644476fb83e5810b83815198e277956179fde532779f0ed6c4adb52384a0056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03631",
    "kind": "arxiv",
    "version": 1
  }
}