Pith Number

pith:QYKGZ7FN

pith:2018:QYKGZ7FNDBMKYOA5DUTOCBB537

not attested not anchored not stored refs pending

Approximability of Covering Cells with Line Segments

Anil Maheshwari, Lu\'is Fernando Schultz Xavier da Silveira, Paz Carmi, Saeed Mehrabi

arxiv:1809.09979 v1 · 2018-09-26 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYKGZ7FNDBMKYOA5DUTOCBB537}

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	2026-05-18T00:04:43.083148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86146cfcad1858ac381d1d26e1043ddffa858cd2a96279472797b2f77942959a

Aliases

arxiv: 1809.09979 · arxiv_version: 1809.09979v1 · doi: 10.48550/arxiv.1809.09979 · pith_short_12: QYKGZ7FNDBMK · pith_short_16: QYKGZ7FNDBMKYOA5 · pith_short_8: QYKGZ7FN

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/QYKGZ7FNDBMKYOA5DUTOCBB537 \
  | 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: 86146cfcad1858ac381d1d26e1043ddffa858cd2a96279472797b2f77942959a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5836ece793a0d332af4e5a198a250944876f336627179f9615c47460373ea1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-09-26T13:33:45Z",
    "title_canon_sha256": "5b133386d545567b98f1e1ce04526bdac48c4544897a8d7bc53330f196b8e56e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09979",
    "kind": "arxiv",
    "version": 1
  }
}