Pith Number

pith:WNTFR2NU

pith:2011:WNTFR2NUXB2BEXMHAILJPCR6M3

not attested not anchored not stored refs pending

The traveling salesman problem on cubic and subcubic graphs

Leen Stougie, Ren\'e Sitters, Suzanne van der Ster, Sylvia Boyd

arxiv:1107.1052 v1 · 2011-07-06 · cs.DS · cs.CC · 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{WNTFR2NUXB2BEXMHAILJPCR6M3}

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	2026-05-18T04:18:45.726655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b36658e9b4b874125d870216978a3e66cb41bfe149c8dae004cb6be3cf78ab7a

Aliases

arxiv: 1107.1052 · arxiv_version: 1107.1052v1 · doi: 10.48550/arxiv.1107.1052 · pith_short_12: WNTFR2NUXB2B · pith_short_16: WNTFR2NUXB2BEXMH · pith_short_8: WNTFR2NU

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/WNTFR2NUXB2BEXMHAILJPCR6M3 \
  | 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: b36658e9b4b874125d870216978a3e66cb41bfe149c8dae004cb6be3cf78ab7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bab6ea6fe705bcf2f7beedb34f5268662259020c269d369c932a641426b687a6",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-07-06T08:14:51Z",
    "title_canon_sha256": "bbe638367d7746f8ce375fef228e49ab1f3ce0b72362809ed7fa1cafe2167903"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1052",
    "kind": "arxiv",
    "version": 1
  }
}