Pith Number

pith:W5NH5SIH

pith:2011:W5NH5SIHUADJMKZAVCYILDBPW7

not attested not anchored not stored refs pending

A Note on: `Algorithms for Connected Set Cover Problem and Fault-Tolerant Connected Set Cover Problem'

Qing Zhao, Wei Ren

arxiv:1104.0733 v1 · 2011-04-05 · 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{W5NH5SIHUADJMKZAVCYILDBPW7}

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	2026-05-18T02:22:11.058849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75a7ec907a006962b20a8b0858c2fb7c9cee3a8475b73a608c35c207559e3ab

Aliases

arxiv: 1104.0733 · arxiv_version: 1104.0733v1 · doi: 10.48550/arxiv.1104.0733 · pith_short_12: W5NH5SIHUADJ · pith_short_16: W5NH5SIHUADJMKZA · pith_short_8: W5NH5SIH

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/W5NH5SIHUADJMKZAVCYILDBPW7 \
  | 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: b75a7ec907a006962b20a8b0858c2fb7c9cee3a8475b73a608c35c207559e3ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d30d13cd5aa27aaae4029a8fde324237f688bfbd47116f267235c2733cad2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-04-05T04:57:44Z",
    "title_canon_sha256": "5d12ce67a1c6545a445ddaa0577f4d722a640e1e595008f2204543ca71e75088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0733",
    "kind": "arxiv",
    "version": 1
  }
}