Pith Number

pith:MZY34WJP

pith:2016:MZY34WJPJDJOGKARMHTM44H4D2

not attested not anchored not stored refs pending

Linear kernels for edge deletion problems to immersion-closed graph classes

Archontia C. Giannopoulou, Dimitrios M. Thilikos, Jean-Florent Raymond, Marcin Wrochna, Micha{\l} Pilipczuk

arxiv:1609.07780 v1 · 2016-09-25 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZY34WJPJDJOGKARMHTM44H4D2}

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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	2026-05-18T01:03:55.462618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6671be592f48d2e3281161e6ce70fc1eb069e32a2aea4ad3b7632e6f80a9ad5c

Aliases

arxiv: 1609.07780 · arxiv_version: 1609.07780v1 · doi: 10.48550/arxiv.1609.07780 · pith_short_12: MZY34WJPJDJO · pith_short_16: MZY34WJPJDJOGKAR · pith_short_8: MZY34WJP

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/MZY34WJPJDJOGKARMHTM44H4D2 \
  | 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: 6671be592f48d2e3281161e6ce70fc1eb069e32a2aea4ad3b7632e6f80a9ad5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f72a7351c36f4ee3ee5f6662752ce6842b5ce26192422dcac4b3c614f2b97c5",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-09-25T18:03:00Z",
    "title_canon_sha256": "dd4d0a64684525eef32a0875b565b53055b0e3c52467041c8ae66d8309f5f1ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07780",
    "kind": "arxiv",
    "version": 1
  }
}