Pith Number

pith:RTH22O6P

pith:2019:RTH22O6PJBA2AAE24IGXSXAEJG

not attested not anchored not stored refs pending

An efficient branch-and-cut algorithm for approximately submodular function maximization

Naoya Uematsu, Shunji Umetani, Yoshinobu Kawahara

arxiv:1904.12682 v1 · 2019-04-26 · cs.DS · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RTH22O6PJBA2AAE24IGXSXAEJG}

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	2026-05-17T23:47:34.363403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ccfad3bcf4841a0009ae20d795c0449b5cd1e668b80d31c653cdcf0f4e4ebcb

Aliases

arxiv: 1904.12682 · arxiv_version: 1904.12682v1 · doi: 10.48550/arxiv.1904.12682 · pith_short_12: RTH22O6PJBA2 · pith_short_16: RTH22O6PJBA2AAE2 · pith_short_8: RTH22O6P

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/RTH22O6PJBA2AAE24IGXSXAEJG \
  | 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: 8ccfad3bcf4841a0009ae20d795c0449b5cd1e668b80d31c653cdcf0f4e4ebcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11575e4a7e22146b578731a6b83a861c51312ad3fc15ceb25928fb795344c48d",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-04-26T05:44:00Z",
    "title_canon_sha256": "50e8bbe3b956e429b1625e3833f834c0671b615c88ebe263274f8807bedebcbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12682",
    "kind": "arxiv",
    "version": 1
  }
}