Pith Number

pith:NEP7U6W5

pith:2018:NEP7U6W5HGT4BYMRAGXTC44D5X

not attested not anchored not stored refs pending

Greed is Still Good: Maximizing Monotone Submodular+Supermodular Functions

Jeffrey A. Bilmes, Wenruo Bai

arxiv:1801.07413 v1 · 2018-01-23 · 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{NEP7U6W5HGT4BYMRAGXTC44D5X}

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	2026-05-18T00:25:12.888063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

691ffa7add39a7c0e19101af317383edc6b7225d26062804382389d17d27ce98

Aliases

arxiv: 1801.07413 · arxiv_version: 1801.07413v1 · doi: 10.48550/arxiv.1801.07413 · pith_short_12: NEP7U6W5HGT4 · pith_short_16: NEP7U6W5HGT4BYMR · pith_short_8: NEP7U6W5

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/NEP7U6W5HGT4BYMRAGXTC44D5X \
  | 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: 691ffa7add39a7c0e19101af317383edc6b7225d26062804382389d17d27ce98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "552c3b31bd276fe1709149c5881025ae427f24288a2b003dd49394d22729de3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-01-23T07:15:15Z",
    "title_canon_sha256": "c66e16656cf62921244280c5fa6283cfe9299091163fc2dce21b5c0d9e99fabb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07413",
    "kind": "arxiv",
    "version": 1
  }
}