Pith Number

pith:DYKGLXKG

pith:2012:DYKGLXKG3YAN62MIONLYMH4HKS

not attested not anchored not stored refs pending

A Flexible Mixed Integer Programming framework for Nurse Scheduling

Michelle Cheong, Murphy Choy

arxiv:1210.3652 v1 · 2012-10-12 · cs.DS · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DYKGLXKG3YAN62MIONLYMH4HKS}

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	2026-05-18T03:43:17.508941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e1465dd46de00df69887357861f8754bd4ae47461d823b3caea4f57eac691ea

Aliases

arxiv: 1210.3652 · arxiv_version: 1210.3652v1 · doi: 10.48550/arxiv.1210.3652 · pith_short_12: DYKGLXKG3YAN · pith_short_16: DYKGLXKG3YAN62MI · pith_short_8: DYKGLXKG

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/DYKGLXKG3YAN62MIONLYMH4HKS \
  | 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: 1e1465dd46de00df69887357861f8754bd4ae47461d823b3caea4f57eac691ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7adac9dfa3b717a07bb58d5360f67999bec0b6b8653d2b43db130be34d5ee28",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-10-12T22:33:40Z",
    "title_canon_sha256": "30d5f9995527b5945432b189605683b298e217819369a307551eedc25788077d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3652",
    "kind": "arxiv",
    "version": 1
  }
}