Pith Number

pith:DWEXTQIC

pith:2014:DWEXTQICXRCCDC53QHGTRQLC4Z

not attested not anchored not stored refs pending

An Enhanced Branch-and-bound Algorithm for the Talent Scheduling Problem

Andrew Lim, Hu Qin, Xiaocong Liang, Zizhen Zhang

arxiv:1401.5869 v1 · 2014-01-23 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWEXTQICXRCCDC53QHGTRQLC4Z}

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	2026-05-18T03:01:23.551086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d8979c102bc44218bbb81cd38c162e6768bb811bcf689d9d6c43961a4bab960

Aliases

arxiv: 1401.5869 · arxiv_version: 1401.5869v1 · doi: 10.48550/arxiv.1401.5869 · pith_short_12: DWEXTQICXRCC · pith_short_16: DWEXTQICXRCCDC53 · pith_short_8: DWEXTQIC

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/DWEXTQICXRCCDC53QHGTRQLC4Z \
  | 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: 1d8979c102bc44218bbb81cd38c162e6768bb811bcf689d9d6c43961a4bab960

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fb55f060f284b15c674f2883651e86a9faf54d045ca321c5e9af03b366c70a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-01-23T04:09:45Z",
    "title_canon_sha256": "61c9f1387a146f4d1b28c68f50f126a6f5f5536776a9c31c875653d263aa1402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5869",
    "kind": "arxiv",
    "version": 1
  }
}