Pith Number

pith:CIOEF5L6

pith:2019:CIOEF5L67LJADARWGZJY2ZNX2Z

not attested not anchored not stored refs pending

Approximating regions of attraction of a sparse polynomial differential system *

Carmen Cardozo, Didier Henrion (LAAS-MAC), Jean Lasserre (LAAS-MAC), Matteo Tacchi (LAAS-MAC)

arxiv:1911.09500 v2 · 2019-11-21 · eess.SY · cs.SY · 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{CIOEF5L67LJADARWGZJY2ZNX2Z}

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	2026-07-05T00:48:00.883872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

121c42f57efad201823636538d65b7d6457b8be3e492358d5a13010d0650523b

Aliases

arxiv: 1911.09500 · arxiv_version: 1911.09500v2 · doi: 10.48550/arxiv.1911.09500 · pith_short_12: CIOEF5L67LJA · pith_short_16: CIOEF5L67LJADARW · pith_short_8: CIOEF5L6

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/CIOEF5L67LJADARWGZJY2ZNX2Z \
  | 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: 121c42f57efad201823636538d65b7d6457b8be3e492358d5a13010d0650523b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f132f63dd33488e6d78279f4580bf73e4db75bb415bbf185ff806fbcfcb5c39",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2019-11-21T14:44:39Z",
    "title_canon_sha256": "339756efe860206b6822222e44aa2999d919665663852f16d8cac11cd2c37ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09500",
    "kind": "arxiv",
    "version": 2
  }
}