Pith Number

pith:ATTZWNMX

pith:2019:ATTZWNMXMKYZM34QLQEOU5HHPF

not attested not anchored not stored refs pending

Engineering Kernelization for Maximum Cut

Christian Schulz, Damir Ferizovic, Darren Strash, Demian Hespe, Matthias Mnich, Sebastian Lamm

arxiv:1905.10902 v1 · 2019-05-26 · 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{ATTZWNMXMKYZM34QLQEOU5HHPF}

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	2026-05-17T23:45:03.464996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04e79b359762b1966f905c08ea74e7796e4f65736f15b9270da8acc18b8d31c6

Aliases

arxiv: 1905.10902 · arxiv_version: 1905.10902v1 · doi: 10.48550/arxiv.1905.10902 · pith_short_12: ATTZWNMXMKYZ · pith_short_16: ATTZWNMXMKYZM34Q · pith_short_8: ATTZWNMX

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/ATTZWNMXMKYZM34QLQEOU5HHPF \
  | 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: 04e79b359762b1966f905c08ea74e7796e4f65736f15b9270da8acc18b8d31c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f133035e69421a20daa76f0abb06fd2c14731c342b43e31f3ef04536564d3342",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-26T23:12:33Z",
    "title_canon_sha256": "d60168d7048f1bbdd42b254e6b2def4e5e5d5d4602b2aeb576eab2aeb68905c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10902",
    "kind": "arxiv",
    "version": 1
  }
}