Pith Number

pith:DF4MYRWY

pith:2012:DF4MYRWYTVAIEUMEYDYRJAF2LP

not attested not anchored not stored refs pending

Approximation Algorithms for the Joint Replenishment Problem with Deadlines

Grzegorz Swirszcz, Jaroslaw Byrka, Marcin Bienkowski, Marek Chrobak, Maxim Sviridenko, Neal E. Young, Neil Dobbs, Tomasz Nowicki

arxiv:1212.3233 v3 · 2012-12-13 · 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{DF4MYRWYTVAIEUMEYDYRJAF2LP}

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	2026-05-18T01:25:24.900151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1978cc46d89d40825184c0f11480ba5bfd26901d3feb6e8cb399ba25e551a59e

Aliases

arxiv: 1212.3233 · arxiv_version: 1212.3233v3 · doi: 10.48550/arxiv.1212.3233 · pith_short_12: DF4MYRWYTVAI · pith_short_16: DF4MYRWYTVAIEUME · pith_short_8: DF4MYRWY

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/DF4MYRWYTVAIEUMEYDYRJAF2LP \
  | 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: 1978cc46d89d40825184c0f11480ba5bfd26901d3feb6e8cb399ba25e551a59e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3d3cb83b617134bcca8937737885705594dd4a527f5926c7f2ff5bc37199512",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-12-13T17:30:58Z",
    "title_canon_sha256": "0a555f6338d7307395f1f7d514850aeac1ec79c1b3609f216a96b08a77fe37a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3233",
    "kind": "arxiv",
    "version": 3
  }
}