Pith Number

pith:UVL2WID2

pith:2013:UVL2WID23W27ZFIM4LB5YFB5YP

not attested not anchored not stored refs pending

An asymptotically stable cusp-fold singularity in 3D piecewise smooth vector fields

Durval J. Tonon, Marco A. Teixeira, Tiago De Carvalho

arxiv:1306.1427 v1 · 2013-06-06 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVL2WID23W27ZFIM4LB5YFB5YP}

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	2026-05-18T03:21:34.256743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a557ab207addb5fc950ce2c3dc143dc3fbb7a3b80416c887efb4e8d5020726be

Aliases

arxiv: 1306.1427 · arxiv_version: 1306.1427v1 · doi: 10.48550/arxiv.1306.1427 · pith_short_12: UVL2WID23W27 · pith_short_16: UVL2WID23W27ZFIM · pith_short_8: UVL2WID2

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/UVL2WID23W27ZFIM4LB5YFB5YP \
  | 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: a557ab207addb5fc950ce2c3dc143dc3fbb7a3b80416c887efb4e8d5020726be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "026330b63ac9c4db7ff119e38d2ca54eda710cbfb36db2f4bb5845c20094c634",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-06-06T15:09:00Z",
    "title_canon_sha256": "fbb3090d3db4ebc7b0955d17be613223e6d9aa48561d32ce589d2a9a83ec3b36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1427",
    "kind": "arxiv",
    "version": 1
  }
}