Pith Number

pith:P5JIEWON

pith:2013:P5JIEWONPPHT5YXAT2MFXBVLHH

not attested not anchored not stored refs pending

Optimising Problem Formulation for Cylindrical Algebraic Decomposition

David Wilson, James H. Davenport, Matthew England, Russell Bradford

arxiv:1304.7222 v2 · 2013-04-26 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5JIEWONPPHT5YXAT2MFXBVLHH}

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	2026-05-18T03:19:01.122572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f528259cd7bcf3ee2e09e985b86ab39dc6eaa23e1adf0add5486dbb07622c80

Aliases

arxiv: 1304.7222 · arxiv_version: 1304.7222v2 · doi: 10.48550/arxiv.1304.7222 · pith_short_12: P5JIEWONPPHT · pith_short_16: P5JIEWONPPHT5YXA · pith_short_8: P5JIEWON

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/P5JIEWONPPHT5YXAT2MFXBVLHH \
  | 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: 7f528259cd7bcf3ee2e09e985b86ab39dc6eaa23e1adf0add5486dbb07622c80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34a7aa0dc65f6dd090498d95367cb35efce00afaea6d42f5f31b338d6f0cbaee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2013-04-26T16:45:11Z",
    "title_canon_sha256": "731ead786811eaf776b99febfc54bbfe03450bb80999af55866fc26a365c1716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7222",
    "kind": "arxiv",
    "version": 2
  }
}