Pith Number

pith:S6SAEOU6

pith:2017:S6SAEOU6RULKQWVOAXQMOKJ3DH

not attested not anchored not stored refs pending

The generic unfolding of a codimension-two connection to a two-fold singularity of planar Filippov systems

Douglas Duarte Novaes, Iris de Oliveira Zeli, Marco Antonio Teixeira

arxiv:1707.08162 v2 · 2017-07-25 · 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{S6SAEOU6RULKQWVOAXQMOKJ3DH}

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	2026-05-18T00:06:12.314273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97a4023a9e8d16a85aae05e0c7293b19d574a20c92f58f636b9ee295bea8a29a

Aliases

arxiv: 1707.08162 · arxiv_version: 1707.08162v2 · doi: 10.48550/arxiv.1707.08162 · pith_short_12: S6SAEOU6RULK · pith_short_16: S6SAEOU6RULKQWVO · pith_short_8: S6SAEOU6

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/S6SAEOU6RULKQWVOAXQMOKJ3DH \
  | 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: 97a4023a9e8d16a85aae05e0c7293b19d574a20c92f58f636b9ee295bea8a29a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c41317f76849c79d94d4da9233421a5728e3618e533bdd0bb915358e358e4353",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-07-25T19:16:36Z",
    "title_canon_sha256": "ab4637455ffaff78be3827c0757549f797e18898fa07369f50e643b2d1b96800"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08162",
    "kind": "arxiv",
    "version": 2
  }
}