Pith Number

pith:PNEKCDDJ

pith:2015:PNEKCDDJCC5FHR6C75QLNLLHA2

not attested not anchored not stored refs pending

Parameterized Complexity of Secluded Connectivity Problems

Alexander S. Kulikov, Fedor V. Fomin, Nikolay Karpov, Petr A. Golovach

arxiv:1502.03989 v2 · 2015-02-13 · 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{PNEKCDDJCC5FHR6C75QLNLLHA2}

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	2026-05-18T02:18:15.210363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b48a10c6910ba53c7c2ff60b6ad67069f1b0fe7e0ee781428d3d8690bfbd91a

Aliases

arxiv: 1502.03989 · arxiv_version: 1502.03989v2 · doi: 10.48550/arxiv.1502.03989 · pith_short_12: PNEKCDDJCC5F · pith_short_16: PNEKCDDJCC5FHR6C · pith_short_8: PNEKCDDJ

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/PNEKCDDJCC5FHR6C75QLNLLHA2 \
  | 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: 7b48a10c6910ba53c7c2ff60b6ad67069f1b0fe7e0ee781428d3d8690bfbd91a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "166da28978b13b6a35f1b563d97f4e1aed78a95f404e7e7360bac4fca44e4238",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-02-13T13:53:48Z",
    "title_canon_sha256": "bb27c98c7324d700e1fa9fa11975b4b2db8a161389521e655bb08c6d119eb9e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03989",
    "kind": "arxiv",
    "version": 2
  }
}