Pith Number

pith:ZNYN32SG

pith:2010:ZNYN32SGONUMEF7WHVPSVQMHCM

not attested not anchored not stored refs pending

Computation of Darboux polynomials and rational first integrals with bounded degree in polynomial time

Guillaume Ch\`eze (IMT)

arxiv:1009.2876 v1 · 2010-09-15 · math.CA · cs.SC · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNYN32SGONUMEF7WHVPSVQMHCM}

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	2026-05-18T04:09:35.051797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb70ddea467368c217f63d5f2ac187131aa4569db572fa383a41dc1cd3d87d6f

Aliases

arxiv: 1009.2876 · arxiv_version: 1009.2876v1 · doi: 10.48550/arxiv.1009.2876 · pith_short_12: ZNYN32SGONUM · pith_short_16: ZNYN32SGONUMEF7W · pith_short_8: ZNYN32SG

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/ZNYN32SGONUMEF7WHVPSVQMHCM \
  | 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: cb70ddea467368c217f63d5f2ac187131aa4569db572fa383a41dc1cd3d87d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbb29051ff0fc015406c92bca6be9ea4ac0a34d787f72eb81de0d5f8c7dae0ad",
    "cross_cats_sorted": [
      "cs.SC",
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-09-15T09:24:46Z",
    "title_canon_sha256": "2dc31f7f0659411263674e69c52f1fecfcce3213a0d0e457433a17aa9e60df5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2876",
    "kind": "arxiv",
    "version": 1
  }
}