Pith Number

pith:4XQ5YHT7

pith:2018:4XQ5YHT7QFVIDGOMXHJHDZF6AH

not attested not anchored not stored refs pending

A note on the integrality gap of the configuration LP for restricted Santa Claus

Klaus Jansen, Lars Rohwedder

arxiv:1807.03626 v1 · 2018-07-10 · 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{4XQ5YHT7QFVIDGOMXHJHDZF6AH}

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	2026-05-18T00:11:03.774552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e1dc1e7f816a8199ccb9d271e4be01c6a4c0c59127a62c692f493ccf1ebdeb

Aliases

arxiv: 1807.03626 · arxiv_version: 1807.03626v1 · doi: 10.48550/arxiv.1807.03626 · pith_short_12: 4XQ5YHT7QFVI · pith_short_16: 4XQ5YHT7QFVIDGOM · pith_short_8: 4XQ5YHT7

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/4XQ5YHT7QFVIDGOMXHJHDZF6AH \
  | 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: e5e1dc1e7f816a8199ccb9d271e4be01c6a4c0c59127a62c692f493ccf1ebdeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74397e5a48284faf775edc4fca64f45c745b62a471d9bd7024970ecc61bac6cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-07-10T13:32:12Z",
    "title_canon_sha256": "650959e4db49f48965853060bc35ba3d741dfa600b317c62dbc2ad5802922a61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03626",
    "kind": "arxiv",
    "version": 1
  }
}