Pith Number

pith:NGH2EYNM

pith:2014:NGH2EYNMB3W6STUAP62AEYK7PZ

not attested not anchored not stored refs pending

A 4-approximation for scheduling on a single machine with general cost function

Jos\'e Verschae, Juli\'an Mestre

arxiv:1403.0298 v2 · 2014-03-03 · 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{NGH2EYNMB3W6STUAP62AEYK7PZ}

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	2026-05-18T00:55:17.896719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

698fa261ac0eede94e807fb402615f7e5c4c67891b8748946a9cebc72c9d28a4

Aliases

arxiv: 1403.0298 · arxiv_version: 1403.0298v2 · doi: 10.48550/arxiv.1403.0298 · pith_short_12: NGH2EYNMB3W6 · pith_short_16: NGH2EYNMB3W6STUA · pith_short_8: NGH2EYNM

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/NGH2EYNMB3W6STUAP62AEYK7PZ \
  | 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: 698fa261ac0eede94e807fb402615f7e5c4c67891b8748946a9cebc72c9d28a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59851d37e0146b74136faeb44e174297068fedc65c5e5bcd1fd7b2e045e77988",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-03-03T03:18:08Z",
    "title_canon_sha256": "085fefb9ffb0e1980e0a4caa0d6101d0c5e86836d54eacca4ca163908e26ec9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0298",
    "kind": "arxiv",
    "version": 2
  }
}