Pith Number

pith:VWAA3ASJ

pith:2006:VWAA3ASJOE2M75LMCMZZ672HUA

not attested not anchored not stored refs pending

Approximability of Integer Programming with Generalised Constraints

Fredrik Kuivinen, Gustav Nordh, Peter Jonsson

arxiv:cs/0602047 v3 · 2006-02-13 · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWAA3ASJOE2M75LMCMZZ672HUA}

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	2026-05-18T04:08:43.556400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad800d82497134cff56c13339f7f47a00c54584b859dd6a1d461e9ef58e979e7

Aliases

arxiv: cs/0602047 · arxiv_version: cs/0602047v3 · doi: 10.48550/arxiv.cs/0602047 · pith_short_12: VWAA3ASJOE2M · pith_short_16: VWAA3ASJOE2M75LM · pith_short_8: VWAA3ASJ

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/VWAA3ASJOE2M75LMCMZZ672HUA \
  | 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: ad800d82497134cff56c13339f7f47a00c54584b859dd6a1d461e9ef58e979e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b98bc583ab4d764fd7f51dd0b53d294d1b50637b3f70138a5d8c365c6e501532",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CC",
    "submitted_at": "2006-02-13T18:48:52Z",
    "title_canon_sha256": "8d7ae42e4a7bbc1a3bb1e58bdd930421db6b29cc1654b23494660d90213b1384"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0602047",
    "kind": "arxiv",
    "version": 3
  }
}