Pith Number

pith:JKGK2SQM

pith:2018:JKGK2SQMEV23G7MMNRL7DH3WB4

not attested not anchored not stored refs pending

On New Approaches of Maximum Weighted Target Coverage and Sensor Connectivity: Hardness and Approximation

Bing-Hong Liu, Ngoc-Tu Nguyen, Shih-Yuan Wang

arxiv:1811.00487 v1 · 2018-10-29 · 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{JKGK2SQMEV23G7MMNRL7DH3WB4}

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	2026-05-18T00:01:44.378871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a8cad4a0c2575b37d8c6c57f19f760f1193c16776420ead85e433020e28165f

Aliases

arxiv: 1811.00487 · arxiv_version: 1811.00487v1 · doi: 10.48550/arxiv.1811.00487 · pith_short_12: JKGK2SQMEV23 · pith_short_16: JKGK2SQMEV23G7MM · pith_short_8: JKGK2SQM

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/JKGK2SQMEV23G7MMNRL7DH3WB4 \
  | 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: 4a8cad4a0c2575b37d8c6c57f19f760f1193c16776420ead85e433020e28165f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39a3411a245f46fb17309c7dca4a43df16a15c890922bdc3e92f663a13c8cdc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-29T04:34:40Z",
    "title_canon_sha256": "e9ded3a345fb94178c907f272d06cc2f62f875c91a913642ae2bad9265c49ab1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00487",
    "kind": "arxiv",
    "version": 1
  }
}