Pith Number

pith:SWLKOJV7

pith:2009:SWLKOJV7JX2OHS4UGXD5MI243R

not attested not anchored not stored refs pending

Optimization and NP_R-Completeness of Certain Fewnomials

David C. Thompson, J. Maurice Rojas, Philippe Pebay

arxiv:0904.4060 v3 · 2009-04-26 · math.AG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWLKOJV7JX2OHS4UGXD5MI243R}

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	2026-05-18T04:36:51.368441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9596a726bf4df4e3cb9435c7d6235cdc71d20816d08b81510c51f8c100975be1

Aliases

arxiv: 0904.4060 · arxiv_version: 0904.4060v3 · doi: 10.48550/arxiv.0904.4060 · pith_short_12: SWLKOJV7JX2O · pith_short_16: SWLKOJV7JX2OHS4U · pith_short_8: SWLKOJV7

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/SWLKOJV7JX2OHS4UGXD5MI243R \
  | 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: 9596a726bf4df4e3cb9435c7d6235cdc71d20816d08b81510c51f8c100975be1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "276783b7d1b79c332ec72bd909b0a3ba351df795789d92101aaf35627654b1f3",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-04-26T20:36:56Z",
    "title_canon_sha256": "dcb8110518dac1b22c024a66b2352a155d5a3ea9342f7bfab0c722332a6d048a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4060",
    "kind": "arxiv",
    "version": 3
  }
}