Pith Number

pith:ZQKZ2F4R

pith:2014:ZQKZ2F4RT7A24LOVJXBY6ZM4UV

not attested not anchored not stored refs pending

Scheduling step-deteriorating jobs to minimize the total weighted tardiness on a single machine

Peng Guo, Wenming Cheng, Yi Wang

arxiv:1411.0309 v1 · 2014-11-02 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQKZ2F4RT7A24LOVJXBY6ZM4UV}

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	2026-05-18T02:38:52.024954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc159d17919fc1ae2dd54dc38f659ca5794b0278f6f588a798b938f76ca6eefa

Aliases

arxiv: 1411.0309 · arxiv_version: 1411.0309v1 · doi: 10.48550/arxiv.1411.0309 · pith_short_12: ZQKZ2F4RT7A2 · pith_short_16: ZQKZ2F4RT7A24LOV · pith_short_8: ZQKZ2F4R

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/ZQKZ2F4RT7A24LOVJXBY6ZM4UV \
  | 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: cc159d17919fc1ae2dd54dc38f659ca5794b0278f6f588a798b938f76ca6eefa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afe202972e5105920c1c9c28f31d115d3a64222ef3b0868bfd6691b519495ca1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-11-02T20:16:00Z",
    "title_canon_sha256": "e7cd0a3e5c6fa987f0632a2957a407f846cbdbab82d63813faa2d9d2b066fb1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0309",
    "kind": "arxiv",
    "version": 1
  }
}