Pith Number

pith:O44YXQMV

pith:2011:O44YXQMV75G6FN7NEASFMGYMW3

not attested not anchored not stored refs pending

Approximating the Online Set Multicover Problems Via Randomized Winnowing

Bhaskar DasGupta, Piotr Berman

arxiv:1102.4005 v1 · 2011-02-19 · 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{O44YXQMV75G6FN7NEASFMGYMW3}

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	2026-05-18T02:22:31.439751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77398bc195ff4de2b7ed2024561b0cb6c7feb9f94d7c11189b1ce07424363836

Aliases

arxiv: 1102.4005 · arxiv_version: 1102.4005v1 · doi: 10.48550/arxiv.1102.4005 · pith_short_12: O44YXQMV75G6 · pith_short_16: O44YXQMV75G6FN7N · pith_short_8: O44YXQMV

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/O44YXQMV75G6FN7NEASFMGYMW3 \
  | 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: 77398bc195ff4de2b7ed2024561b0cb6c7feb9f94d7c11189b1ce07424363836

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e9a36eb2a7bcacd91df9f4dc8eb1ecaa9d463a647cf1ad7fe876736401204ba",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-02-19T17:11:56Z",
    "title_canon_sha256": "249b74bcb294f4d42b434591c0f6c6492577fdee7fc319fe9bf6ce1d3350492a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4005",
    "kind": "arxiv",
    "version": 1
  }
}