Pith Number

pith:O6CDFBTW

pith:2016:O6CDFBTWHJQYQOG2MFPP6K4B7H

not attested not anchored not stored refs pending

Neighborhood complexity and kernelization for nowhere dense classes of graphs

Archontia C. Giannopoulou, Kord Eickmeyer, Micha{\l} Pilipczuk, O-joung Kwon, Roman Rabinovich, Sebastian Siebertz, Stephan Kreutzer

arxiv:1612.08197 v1 · 2016-12-24 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6CDFBTWHJQYQOG2MFPP6K4B7H}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:54:04.285300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77843286763a618838da615eff2b81f9df4a91f59cc1224028f06be5aa55be6f

Aliases

arxiv: 1612.08197 · arxiv_version: 1612.08197v1 · doi: 10.48550/arxiv.1612.08197 · pith_short_12: O6CDFBTWHJQY · pith_short_16: O6CDFBTWHJQYQOG2 · pith_short_8: O6CDFBTW

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/O6CDFBTWHJQYQOG2MFPP6K4B7H \
  | 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: 77843286763a618838da615eff2b81f9df4a91f59cc1224028f06be5aa55be6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ad9dbd64c1d1ec49ba498437b8a67892bf25116318f45ee9736d0e1ff6fad9f",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-12-24T16:03:30Z",
    "title_canon_sha256": "874c6a235851775e5cf440bf6b5729ee5e24f911571955be41b4f5b8eaaba9d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08197",
    "kind": "arxiv",
    "version": 1
  }
}