Pith Number

pith:WSCRPLLT

pith:2018:WSCRPLLT5O3AMA7LI4PRUVOGF3

not attested not anchored not stored refs pending

An Approximation Algorithm for Risk-averse Submodular Optimization

Lifeng Zhou, Pratap Tokekar

arxiv:1807.09358 v2 · 2018-07-24 · cs.AI · 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{WSCRPLLT5O3AMA7LI4PRUVOGF3}

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	2026-05-18T00:02:09.393443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b48517ad73ebb60603eb471f1a55c62ef2d6c0a7b18f464025d98470ccf7846b

Aliases

arxiv: 1807.09358 · arxiv_version: 1807.09358v2 · doi: 10.48550/arxiv.1807.09358 · pith_short_12: WSCRPLLT5O3A · pith_short_16: WSCRPLLT5O3AMA7L · pith_short_8: WSCRPLLT

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/WSCRPLLT5O3AMA7LI4PRUVOGF3 \
  | 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: b48517ad73ebb60603eb471f1a55c62ef2d6c0a7b18f464025d98470ccf7846b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c6e98ca29b43dfcb4c9ef6779950335745d658972abb05e34660732000d191b",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-07-24T21:10:50Z",
    "title_canon_sha256": "26bc6b9f2d3d7fc8f70c988c4866a90dc513b06663fe4fc1caa6ef3cf81b776b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09358",
    "kind": "arxiv",
    "version": 2
  }
}