Pith Number

pith:M6NKCZO3

pith:2018:M6NKCZO3HBWU4CS5SEFHS3QDIR

not attested not anchored not stored refs pending

Deterministic (1/2 + {\epsilon})-Approximation for Submodular Maximization over a Matroid

Mohit Garg, Moran Feldman, Niv Buchbinder

arxiv:1807.05532 v1 · 2018-07-15 · 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{M6NKCZO3HBWU4CS5SEFHS3QDIR}

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	2026-05-18T00:10:43.290841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

679aa165db386d4e0a5d910a796e03446fdad3a0399a47319724089933cd2768

Aliases

arxiv: 1807.05532 · arxiv_version: 1807.05532v1 · doi: 10.48550/arxiv.1807.05532 · pith_short_12: M6NKCZO3HBWU · pith_short_16: M6NKCZO3HBWU4CS5 · pith_short_8: M6NKCZO3

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/M6NKCZO3HBWU4CS5SEFHS3QDIR \
  | 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: 679aa165db386d4e0a5d910a796e03446fdad3a0399a47319724089933cd2768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4a456c0d076cc0c000eb52b63fcbb1d22bd6d5752eeb2bc1296068b49b55323",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-07-15T11:57:00Z",
    "title_canon_sha256": "5ed379ce696d811abcdf75ea1f65df2d26876942a0a751f31cff7c30e8f61bbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05532",
    "kind": "arxiv",
    "version": 1
  }
}