Pith Number

pith:BWCWDNSM

pith:2018:BWCWDNSMTUYCP2RJZEXKVGU6ND

not attested not anchored not stored refs pending

An EPTAS for machine scheduling with bag-constraints

Kilian Grage, Kim Manuel Klein, Klaus Jansen

arxiv:1810.07510 v1 · 2018-10-17 · 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{BWCWDNSMTUYCP2RJZEXKVGU6ND}

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	2026-05-18T00:02:56.133186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d8561b64c9d3027ea29c92eaa9a9e68ccaf8d4e562790dbc8c988e8db3872da

Aliases

arxiv: 1810.07510 · arxiv_version: 1810.07510v1 · doi: 10.48550/arxiv.1810.07510 · pith_short_12: BWCWDNSMTUYC · pith_short_16: BWCWDNSMTUYCP2RJ · pith_short_8: BWCWDNSM

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/BWCWDNSMTUYCP2RJZEXKVGU6ND \
  | 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: 0d8561b64c9d3027ea29c92eaa9a9e68ccaf8d4e562790dbc8c988e8db3872da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eb6928cb4ab08069e26a65ea34d0c4d16b300d16213aad09bb481b18eedb0f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-17T13:00:20Z",
    "title_canon_sha256": "6746a1aa6318262152cbc2c03bb90ea6f781b357a04899dff8b83f579510246f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07510",
    "kind": "arxiv",
    "version": 1
  }
}