Pith Number

pith:CF5HIRDU

pith:2019:CF5HIRDUQKPCIAZV5CKJIHI5H3

not attested not anchored not stored refs pending

Tight Approximation Bounds for Maximum Multi-Coverage

Emirhan G\"urp{\i}nar, Omar Fawzi, Siddharth Barman, Suprovat Ghoshal

arxiv:1905.00640 v2 · 2019-05-02 · 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{CF5HIRDUQKPCIAZV5CKJIHI5H3}

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	2026-07-05T04:25:07.188066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

117a744474829e240335e894941d1d3ef106173db67f8cb4fc3e199f299f36a3

Aliases

arxiv: 1905.00640 · arxiv_version: 1905.00640v2 · doi: 10.48550/arxiv.1905.00640 · pith_short_12: CF5HIRDUQKPC · pith_short_16: CF5HIRDUQKPCIAZV · pith_short_8: CF5HIRDU

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/CF5HIRDUQKPCIAZV5CKJIHI5H3 \
  | 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: 117a744474829e240335e894941d1d3ef106173db67f8cb4fc3e199f299f36a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ccd7946664e981ba854983c5e69871b085b39cad816a017effe5e2ed52c5b3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-02T09:44:28Z",
    "title_canon_sha256": "9d337dee2ddaeb00cec10c6fe45cd9b1f295e89e693e93bc5b57dc23e7185279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00640",
    "kind": "arxiv",
    "version": 2
  }
}