Pith Number

pith:VH5ZPOXL

pith:2018:VH5ZPOXLNWDXJEXVWLYCQJEPKD

not attested not anchored not stored refs pending

Longest Processing Time rule for identical parallel machines revisited

Federico Della Croce, Rosario Scatamacchia

arxiv:1801.05489 v1 · 2018-01-16 · 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{VH5ZPOXLNWDXJEXVWLYCQJEPKD}

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	2026-05-18T00:25:41.111077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9fb97baeb6d877492f5b2f028248f50ce0b30d093c496af547674ce8aa5e509

Aliases

arxiv: 1801.05489 · arxiv_version: 1801.05489v1 · doi: 10.48550/arxiv.1801.05489 · pith_short_12: VH5ZPOXLNWDX · pith_short_16: VH5ZPOXLNWDXJEXV · pith_short_8: VH5ZPOXL

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/VH5ZPOXLNWDXJEXVWLYCQJEPKD \
  | 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: a9fb97baeb6d877492f5b2f028248f50ce0b30d093c496af547674ce8aa5e509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97ab90aeb741452d6cfc6fc644e11a1824d25175eacfe5a2b2805e5f8c9d3098",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-01-16T21:39:50Z",
    "title_canon_sha256": "9b1da41a61f357f69fcebb8a2f5cd89cef6ad0bfee344bd4c7c8647e42b52774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05489",
    "kind": "arxiv",
    "version": 1
  }
}