Pith Number

pith:SIFCRZOD

pith:2013:SIFCRZODCHOWDSPJGTA5BYBQXU

not attested not anchored not stored refs pending

On the variable common due date, minimal tardy jobs bicriteria two-machine flow shop problem with ordered machines

Aleksandar Ilic

arxiv:1307.6505 v2 · 2013-07-24 · 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{SIFCRZODCHOWDSPJGTA5BYBQXU}

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	2026-05-18T02:23:58.910451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920a28e5c311dd61c9e934c1d0e030bd2b77885504347cb9ad9a91cd74f9fb86

Aliases

arxiv: 1307.6505 · arxiv_version: 1307.6505v2 · doi: 10.48550/arxiv.1307.6505 · pith_short_12: SIFCRZODCHOW · pith_short_16: SIFCRZODCHOWDSPJ · pith_short_8: SIFCRZOD

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/SIFCRZODCHOWDSPJGTA5BYBQXU \
  | 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: 920a28e5c311dd61c9e934c1d0e030bd2b77885504347cb9ad9a91cd74f9fb86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae4dbf724f71d7c41703a336eb15c7c06b09d6451511196638a999d27f0f2265",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-07-24T17:41:00Z",
    "title_canon_sha256": "3cb94c92819897ce54300fa4e5e0bdccd9de16aa5baf4f491fa86146a4830ba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6505",
    "kind": "arxiv",
    "version": 2
  }
}