Pith Number

pith:C4XUKVG2

pith:2019:C4XUKVG26XQCOLCPPCQPSJNSBK

not attested not anchored not stored refs pending

An Efficient Evolutionary Algorithm for Minimum Cost Submodular Cover

Victoria G. Crawford

arxiv:1908.01029 v1 · 2019-08-02 · 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{C4XUKVG26XQCOLCPPCQPSJNSBK}

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	2026-07-04T23:51:25.728782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

172f4554daf5e0272c4f78a0f925b20abb58b003a539b9086f10bc8f8a5c89f0

Aliases

arxiv: 1908.01029 · arxiv_version: 1908.01029v1 · doi: 10.48550/arxiv.1908.01029 · pith_short_12: C4XUKVG26XQC · pith_short_16: C4XUKVG26XQCOLCP · pith_short_8: C4XUKVG2

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/C4XUKVG26XQCOLCPPCQPSJNSBK \
  | 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: 172f4554daf5e0272c4f78a0f925b20abb58b003a539b9086f10bc8f8a5c89f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e8688ea527535d0c0061e4a0581b5b8ddd6964a14953228583e1647c19fae8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-08-02T19:46:33Z",
    "title_canon_sha256": "5d287acf6eaf3e246d4920038b2bdbf52f235437e90324a0dfd0ad24701db6b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01029",
    "kind": "arxiv",
    "version": 1
  }
}