Pith Number

pith:75BGPAKG

pith:2018:75BGPAKG7QAVYTXMC3EHB2PLIW

not attested not anchored not stored refs pending

An efficient branch-and-bound algorithm for submodular function maximization

Naoya Uematsu, Shunji Umetani, Yoshinobu Kawahara

arxiv:1811.04177 v1 · 2018-11-10 · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75BGPAKG7QAVYTXMC3EHB2PLIW}

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	2026-05-18T00:01:06.042873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff42678146fc015c4eec16c870e9eb45b5176e1e28d80403fabf92b6bea3291b

Aliases

arxiv: 1811.04177 · arxiv_version: 1811.04177v1 · doi: 10.48550/arxiv.1811.04177 · pith_short_12: 75BGPAKG7QAV · pith_short_16: 75BGPAKG7QAVYTXM · pith_short_8: 75BGPAKG

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/75BGPAKG7QAVYTXMC3EHB2PLIW \
  | 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: ff42678146fc015c4eec16c870e9eb45b5176e1e28d80403fabf92b6bea3291b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec6cdffb22cf3d1738e6d06e50ee9c35e6e85565ac99a2951060e0d6eee21e50",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-11-10T02:55:47Z",
    "title_canon_sha256": "27a92f0ee986cbf5551afbe6e12a0bb71c5bf7c9a63c66952548d34e21b55096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04177",
    "kind": "arxiv",
    "version": 1
  }
}