Pith Number

pith:G3THVNPS

pith:2013:G3THVNPSYUDI2IHR7BSL5MSLZD

not attested not anchored not stored refs pending

A Flat Triangular Form for Nonlinear Systems with Two Inputs: Necessary and Sufficient Conditions

Hector Bessa Silveira, Paulo Sergio Pereira da Silva, Pierre Rouchon

arxiv:1312.3527 v2 · 2013-12-12 · 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{G3THVNPSYUDI2IHR7BSL5MSLZD}

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	2026-05-18T02:32:46.309728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36e67ab5f2c5068d20f1f864beb24bc8ccdab389bc4d0c78a49225d707b42736

Aliases

arxiv: 1312.3527 · arxiv_version: 1312.3527v2 · doi: 10.48550/arxiv.1312.3527 · pith_short_12: G3THVNPSYUDI · pith_short_16: G3THVNPSYUDI2IHR · pith_short_8: G3THVNPS

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/G3THVNPSYUDI2IHR7BSL5MSLZD \
  | 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: 36e67ab5f2c5068d20f1f864beb24bc8ccdab389bc4d0c78a49225d707b42736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81bbddc140db392277961f00b50fc31859503ef4c005e95e0fe83e6494084ef8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-12-12T15:40:39Z",
    "title_canon_sha256": "b6033239fe17047bf3c620907f0fdfad64ecb45230cf804aa8db3dc4a0ac7b5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3527",
    "kind": "arxiv",
    "version": 2
  }
}