Pith Number

pith:4QCSP7ML

pith:2015:4QCSP7MLPMA32454WSHKW2QI4X

not attested not anchored not stored refs pending

Unified Acceleration Method for Packing and Covering Problems via Diameter Reduction

Di Wang, Michael W. Mahoney, Satish Rao

arxiv:1508.02439 v2 · 2015-08-10 · cs.DS · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QCSP7MLPMA32454WSHKW2QI4X}

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	2026-05-18T01:30:57.911427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e40527fd8b7b01bd73bcb48eab6a08e5cb0c683246505a6121d795a2704227ba

Aliases

arxiv: 1508.02439 · arxiv_version: 1508.02439v2 · doi: 10.48550/arxiv.1508.02439 · pith_short_12: 4QCSP7MLPMA3 · pith_short_16: 4QCSP7MLPMA32454 · pith_short_8: 4QCSP7ML

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/4QCSP7MLPMA32454WSHKW2QI4X \
  | 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: e40527fd8b7b01bd73bcb48eab6a08e5cb0c683246505a6121d795a2704227ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bca7a49748737779e012d5698f565374eb65e3ffb77960feda3386ce3d34687",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-08-10T21:56:20Z",
    "title_canon_sha256": "28086373619783070b95681f98b533c24524b8b062e23c35fa8dec8d25bc9c78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02439",
    "kind": "arxiv",
    "version": 2
  }
}